./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f5e490cdb414af150c1a875602a078da9d38c5d6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:29:24,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:29:24,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:29:24,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:29:24,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:29:24,320 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:29:24,322 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:29:24,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:29:24,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:29:24,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:29:24,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:29:24,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:29:24,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:29:24,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:29:24,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:29:24,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:29:24,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:29:24,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:29:24,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:29:24,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:29:24,361 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:29:24,362 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:29:24,364 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:29:24,365 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:29:24,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:29:24,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:29:24,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:29:24,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:29:24,370 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:29:24,371 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:29:24,371 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:29:24,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:29:24,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:29:24,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:29:24,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:29:24,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:29:24,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:29:24,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:29:24,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:29:24,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:29:24,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:29:24,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:29:24,402 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:29:24,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:29:24,403 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:29:24,403 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:29:24,403 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:29:24,403 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:29:24,404 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:29:24,404 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:29:24,404 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:29:24,404 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:29:24,404 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:29:24,404 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:29:24,405 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:29:24,405 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:29:24,405 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:29:24,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:29:24,406 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:29:24,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:29:24,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:29:24,407 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:29:24,407 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:29:24,407 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:29:24,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:29:24,407 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:29:24,408 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:29:24,408 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:29:24,408 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:29:24,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:29:24,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:29:24,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:29:24,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:29:24,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:29:24,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:29:24,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:29:24,410 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:29:24,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:29:24,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:29:24,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:29:24,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:29:24,411 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5e490cdb414af150c1a875602a078da9d38c5d6 [2021-10-11 02:29:24,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:29:24,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:29:24,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:29:24,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:29:24,787 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:29:24,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2021-10-11 02:29:24,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/data/860a36764/e66f5d2d4f6c44aeac745a99afa8f8d1/FLAG24ee42a20 [2021-10-11 02:29:25,502 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:29:25,505 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c [2021-10-11 02:29:25,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/data/860a36764/e66f5d2d4f6c44aeac745a99afa8f8d1/FLAG24ee42a20 [2021-10-11 02:29:25,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/data/860a36764/e66f5d2d4f6c44aeac745a99afa8f8d1 [2021-10-11 02:29:25,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:29:25,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:29:25,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:25,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:29:25,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:29:25,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:25" (1/1) ... [2021-10-11 02:29:25,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f200dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:25, skipping insertion in model container [2021-10-11 02:29:25,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:29:25" (1/1) ... [2021-10-11 02:29:25,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:29:25,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:29:26,308 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c[48581,48594] [2021-10-11 02:29:26,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:26,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:29:26,443 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl4.cil-1.c[48581,48594] [2021-10-11 02:29:26,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:29:26,480 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:29:26,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26 WrapperNode [2021-10-11 02:29:26,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:29:26,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:26,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:29:26,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:29:26,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:29:26,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:29:26,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:29:26,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:29:26,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,666 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... [2021-10-11 02:29:26,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:29:26,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:29:26,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:29:26,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:29:26,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:29:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:29:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:29:26,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:29:26,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:29:27,221 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,246 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,251 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,263 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,266 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,267 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,277 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,288 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,297 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,302 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,305 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,310 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,316 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,322 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,324 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,326 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,334 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,341 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,343 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,345 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,350 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,356 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,366 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,374 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,380 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,400 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,408 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,424 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,425 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:27,430 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:29:28,847 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##658: assume !false; [2021-10-11 02:29:28,847 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##657: assume false; [2021-10-11 02:29:28,847 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##665: assume !false; [2021-10-11 02:29:28,848 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##664: assume false; [2021-10-11 02:29:28,848 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##683: assume false; [2021-10-11 02:29:28,848 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume !false; [2021-10-11 02:29:28,848 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-10-11 02:29:28,848 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-10-11 02:29:28,848 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume false; [2021-10-11 02:29:28,849 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##640: assume !false; [2021-10-11 02:29:28,849 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-11 02:29:28,849 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-11 02:29:28,849 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##279: assume false; [2021-10-11 02:29:28,850 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##280: assume !false; [2021-10-11 02:29:28,850 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##285: assume !false; [2021-10-11 02:29:28,850 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##284: assume false; [2021-10-11 02:29:28,850 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##229: assume !false; [2021-10-11 02:29:28,850 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume false; [2021-10-11 02:29:28,850 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##302: assume !false; [2021-10-11 02:29:28,851 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume false; [2021-10-11 02:29:28,851 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##369: assume !false; [2021-10-11 02:29:28,851 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##375: assume !false; [2021-10-11 02:29:28,851 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##374: assume false; [2021-10-11 02:29:28,851 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##331: assume false; [2021-10-11 02:29:28,852 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##332: assume !false; [2021-10-11 02:29:28,852 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##357: assume false; [2021-10-11 02:29:28,852 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##358: assume !false; [2021-10-11 02:29:28,852 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##368: assume false; [2021-10-11 02:29:28,852 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##404: assume !false; [2021-10-11 02:29:28,852 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##403: assume false; [2021-10-11 02:29:28,852 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##427: assume !false; [2021-10-11 02:29:28,853 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##426: assume false; [2021-10-11 02:29:28,853 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##436: assume !false; [2021-10-11 02:29:28,853 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##435: assume false; [2021-10-11 02:29:28,853 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##439: assume false; [2021-10-11 02:29:28,853 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##440: assume !false; [2021-10-11 02:29:28,858 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2021-10-11 02:29:28,859 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2021-10-11 02:29:28,859 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##485: assume !false; [2021-10-11 02:29:28,860 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##484: assume false; [2021-10-11 02:29:28,860 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##524: assume !false; [2021-10-11 02:29:28,860 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##523: assume false; [2021-10-11 02:29:28,860 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##558: assume !false; [2021-10-11 02:29:28,861 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##557: assume false; [2021-10-11 02:29:28,861 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume !false; [2021-10-11 02:29:28,861 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##186: assume false; [2021-10-11 02:29:28,861 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume !false; [2021-10-11 02:29:28,861 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##67: assume false; [2021-10-11 02:29:28,862 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##144: assume false; [2021-10-11 02:29:28,862 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##145: assume !false; [2021-10-11 02:29:28,862 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !false; [2021-10-11 02:29:28,862 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume false; [2021-10-11 02:29:28,862 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##154: assume !false; [2021-10-11 02:29:28,862 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##153: assume false; [2021-10-11 02:29:28,863 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##158: assume !false; [2021-10-11 02:29:28,863 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##157: assume false; [2021-10-11 02:29:28,864 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##588: assume !false; [2021-10-11 02:29:28,864 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##587: assume false; [2021-10-11 02:29:28,864 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##106: assume !false; [2021-10-11 02:29:28,865 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##105: assume false; [2021-10-11 02:29:30,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:29:30,405 INFO L299 CfgBuilder]: Removed 277 assume(true) statements. [2021-10-11 02:29:30,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:30 BoogieIcfgContainer [2021-10-11 02:29:30,409 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:29:30,411 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:29:30,411 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:29:30,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:29:30,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:29:25" (1/3) ... [2021-10-11 02:29:30,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b093f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:30, skipping insertion in model container [2021-10-11 02:29:30,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:29:26" (2/3) ... [2021-10-11 02:29:30,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69b093f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:29:30, skipping insertion in model container [2021-10-11 02:29:30,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:30" (3/3) ... [2021-10-11 02:29:30,419 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl4.cil-1.c [2021-10-11 02:29:30,434 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:29:30,438 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 54 error locations. [2021-10-11 02:29:30,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2021-10-11 02:29:30,477 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:29:30,477 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:29:30,477 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:29:30,478 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:29:30,478 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:29:30,478 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:29:30,478 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:29:30,478 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:29:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states. [2021-10-11 02:29:30,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:29:30,507 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:30,508 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:29:30,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:30,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:30,514 INFO L82 PathProgramCache]: Analyzing trace with hash -484685259, now seen corresponding path program 1 times [2021-10-11 02:29:30,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:30,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942390644] [2021-10-11 02:29:30,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:30,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942390644] [2021-10-11 02:29:30,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:30,710 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:30,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941815491] [2021-10-11 02:29:30,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:30,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:30,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:30,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:30,736 INFO L87 Difference]: Start difference. First operand 354 states. Second operand 3 states. [2021-10-11 02:29:31,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:31,109 INFO L93 Difference]: Finished difference Result 646 states and 963 transitions. [2021-10-11 02:29:31,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:31,111 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-10-11 02:29:31,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:31,142 INFO L225 Difference]: With dead ends: 646 [2021-10-11 02:29:31,143 INFO L226 Difference]: Without dead ends: 365 [2021-10-11 02:29:31,152 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 [2021-10-11 02:29:31,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-10-11 02:29:31,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 345. [2021-10-11 02:29:31,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2021-10-11 02:29:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 467 transitions. [2021-10-11 02:29:31,245 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 467 transitions. Word has length 6 [2021-10-11 02:29:31,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:31,246 INFO L481 AbstractCegarLoop]: Abstraction has 345 states and 467 transitions. [2021-10-11 02:29:31,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:31,246 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 467 transitions. [2021-10-11 02:29:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:29:31,247 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:31,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:31,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:29:31,248 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:31,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:31,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1169700259, now seen corresponding path program 1 times [2021-10-11 02:29:31,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:31,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180950982] [2021-10-11 02:29:31,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:31,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180950982] [2021-10-11 02:29:31,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:31,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:29:31,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258922399] [2021-10-11 02:29:31,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:31,334 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:31,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:31,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:31,335 INFO L87 Difference]: Start difference. First operand 345 states and 467 transitions. Second operand 3 states. [2021-10-11 02:29:31,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:31,372 INFO L93 Difference]: Finished difference Result 387 states and 516 transitions. [2021-10-11 02:29:31,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:31,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2021-10-11 02:29:31,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:31,375 INFO L225 Difference]: With dead ends: 387 [2021-10-11 02:29:31,376 INFO L226 Difference]: Without dead ends: 364 [2021-10-11 02:29:31,376 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 [2021-10-11 02:29:31,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-10-11 02:29:31,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 356. [2021-10-11 02:29:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2021-10-11 02:29:31,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 483 transitions. [2021-10-11 02:29:31,403 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 483 transitions. Word has length 10 [2021-10-11 02:29:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:31,404 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 483 transitions. [2021-10-11 02:29:31,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 483 transitions. [2021-10-11 02:29:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:29:31,406 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:31,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:31,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:29:31,408 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:31,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:31,409 INFO L82 PathProgramCache]: Analyzing trace with hash -861586124, now seen corresponding path program 1 times [2021-10-11 02:29:31,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:31,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197954071] [2021-10-11 02:29:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:31,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:31,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197954071] [2021-10-11 02:29:31,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:31,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:31,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276098332] [2021-10-11 02:29:31,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:31,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:31,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:31,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:31,496 INFO L87 Difference]: Start difference. First operand 356 states and 483 transitions. Second operand 3 states. [2021-10-11 02:29:31,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:31,534 INFO L93 Difference]: Finished difference Result 437 states and 584 transitions. [2021-10-11 02:29:31,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:31,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2021-10-11 02:29:31,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:31,539 INFO L225 Difference]: With dead ends: 437 [2021-10-11 02:29:31,540 INFO L226 Difference]: Without dead ends: 400 [2021-10-11 02:29:31,540 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 [2021-10-11 02:29:31,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2021-10-11 02:29:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 382. [2021-10-11 02:29:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2021-10-11 02:29:31,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 521 transitions. [2021-10-11 02:29:31,577 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 521 transitions. Word has length 11 [2021-10-11 02:29:31,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:31,578 INFO L481 AbstractCegarLoop]: Abstraction has 382 states and 521 transitions. [2021-10-11 02:29:31,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 521 transitions. [2021-10-11 02:29:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:29:31,580 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:31,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:31,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-11 02:29:31,581 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:31,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:31,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1472461516, now seen corresponding path program 1 times [2021-10-11 02:29:31,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:31,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660291606] [2021-10-11 02:29:31,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:31,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:31,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660291606] [2021-10-11 02:29:31,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:31,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:31,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705133879] [2021-10-11 02:29:31,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:31,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:31,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:31,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:31,668 INFO L87 Difference]: Start difference. First operand 382 states and 521 transitions. Second operand 3 states. [2021-10-11 02:29:31,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:31,729 INFO L93 Difference]: Finished difference Result 629 states and 840 transitions. [2021-10-11 02:29:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:31,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2021-10-11 02:29:31,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:31,732 INFO L225 Difference]: With dead ends: 629 [2021-10-11 02:29:31,733 INFO L226 Difference]: Without dead ends: 444 [2021-10-11 02:29:31,734 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 [2021-10-11 02:29:31,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2021-10-11 02:29:31,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 360. [2021-10-11 02:29:31,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2021-10-11 02:29:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 487 transitions. [2021-10-11 02:29:31,751 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 487 transitions. Word has length 12 [2021-10-11 02:29:31,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:31,751 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 487 transitions. [2021-10-11 02:29:31,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 487 transitions. [2021-10-11 02:29:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-11 02:29:31,753 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:31,753 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:31,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-11 02:29:31,754 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:31,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:31,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1436660894, now seen corresponding path program 1 times [2021-10-11 02:29:31,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:31,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430376325] [2021-10-11 02:29:31,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:31,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:31,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430376325] [2021-10-11 02:29:31,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:31,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:31,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894631450] [2021-10-11 02:29:31,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:31,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:31,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:31,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:31,788 INFO L87 Difference]: Start difference. First operand 360 states and 487 transitions. Second operand 3 states. [2021-10-11 02:29:31,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:31,981 INFO L93 Difference]: Finished difference Result 393 states and 527 transitions. [2021-10-11 02:29:31,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:31,981 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2021-10-11 02:29:31,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:31,983 INFO L225 Difference]: With dead ends: 393 [2021-10-11 02:29:31,984 INFO L226 Difference]: Without dead ends: 375 [2021-10-11 02:29:31,984 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 [2021-10-11 02:29:31,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-10-11 02:29:32,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 372. [2021-10-11 02:29:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2021-10-11 02:29:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 501 transitions. [2021-10-11 02:29:32,002 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 501 transitions. Word has length 14 [2021-10-11 02:29:32,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:32,003 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 501 transitions. [2021-10-11 02:29:32,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:32,003 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2021-10-11 02:29:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:29:32,004 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:32,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:32,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-11 02:29:32,005 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:32,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:32,006 INFO L82 PathProgramCache]: Analyzing trace with hash -235077236, now seen corresponding path program 1 times [2021-10-11 02:29:32,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:32,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654504350] [2021-10-11 02:29:32,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:32,050 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654504350] [2021-10-11 02:29:32,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:32,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:32,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931599024] [2021-10-11 02:29:32,051 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:32,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:32,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:32,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:32,052 INFO L87 Difference]: Start difference. First operand 372 states and 501 transitions. Second operand 3 states. [2021-10-11 02:29:32,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:32,275 INFO L93 Difference]: Finished difference Result 372 states and 501 transitions. [2021-10-11 02:29:32,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:32,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-10-11 02:29:32,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:32,277 INFO L225 Difference]: With dead ends: 372 [2021-10-11 02:29:32,277 INFO L226 Difference]: Without dead ends: 356 [2021-10-11 02:29:32,278 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 [2021-10-11 02:29:32,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-10-11 02:29:32,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2021-10-11 02:29:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2021-10-11 02:29:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 484 transitions. [2021-10-11 02:29:32,296 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 484 transitions. Word has length 17 [2021-10-11 02:29:32,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:32,296 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 484 transitions. [2021-10-11 02:29:32,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:32,297 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 484 transitions. [2021-10-11 02:29:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-11 02:29:32,298 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:32,298 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:29:32,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-11 02:29:32,299 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:32,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:32,299 INFO L82 PathProgramCache]: Analyzing trace with hash -2026879566, now seen corresponding path program 1 times [2021-10-11 02:29:32,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:32,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508303876] [2021-10-11 02:29:32,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:32,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:32,384 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508303876] [2021-10-11 02:29:32,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:32,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:32,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445039641] [2021-10-11 02:29:32,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:32,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:32,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:32,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:32,387 INFO L87 Difference]: Start difference. First operand 356 states and 484 transitions. Second operand 4 states. [2021-10-11 02:29:32,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:32,449 INFO L93 Difference]: Finished difference Result 470 states and 615 transitions. [2021-10-11 02:29:32,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:32,450 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2021-10-11 02:29:32,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:32,453 INFO L225 Difference]: With dead ends: 470 [2021-10-11 02:29:32,454 INFO L226 Difference]: Without dead ends: 434 [2021-10-11 02:29:32,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:32,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2021-10-11 02:29:32,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 358. [2021-10-11 02:29:32,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2021-10-11 02:29:32,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 486 transitions. [2021-10-11 02:29:32,475 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 486 transitions. Word has length 19 [2021-10-11 02:29:32,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:32,481 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 486 transitions. [2021-10-11 02:29:32,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 486 transitions. [2021-10-11 02:29:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:29:32,483 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:32,483 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] [2021-10-11 02:29:32,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-11 02:29:32,484 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:32,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:32,485 INFO L82 PathProgramCache]: Analyzing trace with hash 2057687148, now seen corresponding path program 1 times [2021-10-11 02:29:32,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:32,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853426797] [2021-10-11 02:29:32,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:32,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:32,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853426797] [2021-10-11 02:29:32,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:32,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:32,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888055151] [2021-10-11 02:29:32,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:32,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:32,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:32,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:32,566 INFO L87 Difference]: Start difference. First operand 358 states and 486 transitions. Second operand 3 states. [2021-10-11 02:29:32,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:32,746 INFO L93 Difference]: Finished difference Result 458 states and 619 transitions. [2021-10-11 02:29:32,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:32,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2021-10-11 02:29:32,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:32,749 INFO L225 Difference]: With dead ends: 458 [2021-10-11 02:29:32,749 INFO L226 Difference]: Without dead ends: 355 [2021-10-11 02:29:32,749 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 [2021-10-11 02:29:32,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-11 02:29:32,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2021-10-11 02:29:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2021-10-11 02:29:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 482 transitions. [2021-10-11 02:29:32,769 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 482 transitions. Word has length 20 [2021-10-11 02:29:32,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:32,769 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 482 transitions. [2021-10-11 02:29:32,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 482 transitions. [2021-10-11 02:29:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-11 02:29:32,771 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:32,771 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] [2021-10-11 02:29:32,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-11 02:29:32,772 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:32,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:32,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1031760036, now seen corresponding path program 1 times [2021-10-11 02:29:32,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:32,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338934833] [2021-10-11 02:29:32,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:32,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:32,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338934833] [2021-10-11 02:29:32,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:32,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:32,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985503912] [2021-10-11 02:29:32,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:32,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:32,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:32,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:32,847 INFO L87 Difference]: Start difference. First operand 355 states and 482 transitions. Second operand 4 states. [2021-10-11 02:29:33,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:33,054 INFO L93 Difference]: Finished difference Result 367 states and 492 transitions. [2021-10-11 02:29:33,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:33,055 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2021-10-11 02:29:33,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:33,058 INFO L225 Difference]: With dead ends: 367 [2021-10-11 02:29:33,058 INFO L226 Difference]: Without dead ends: 358 [2021-10-11 02:29:33,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:33,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-10-11 02:29:33,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 355. [2021-10-11 02:29:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2021-10-11 02:29:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 480 transitions. [2021-10-11 02:29:33,082 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 480 transitions. Word has length 20 [2021-10-11 02:29:33,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:33,082 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 480 transitions. [2021-10-11 02:29:33,083 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 480 transitions. [2021-10-11 02:29:33,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-11 02:29:33,084 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:33,084 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] [2021-10-11 02:29:33,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-11 02:29:33,085 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:33,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:33,085 INFO L82 PathProgramCache]: Analyzing trace with hash 158149989, now seen corresponding path program 1 times [2021-10-11 02:29:33,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:33,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942811809] [2021-10-11 02:29:33,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:33,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942811809] [2021-10-11 02:29:33,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:33,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:33,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964006322] [2021-10-11 02:29:33,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:33,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:33,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:33,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:33,147 INFO L87 Difference]: Start difference. First operand 355 states and 480 transitions. Second operand 3 states. [2021-10-11 02:29:33,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:33,370 INFO L93 Difference]: Finished difference Result 438 states and 585 transitions. [2021-10-11 02:29:33,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:33,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2021-10-11 02:29:33,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:33,374 INFO L225 Difference]: With dead ends: 438 [2021-10-11 02:29:33,374 INFO L226 Difference]: Without dead ends: 430 [2021-10-11 02:29:33,374 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 [2021-10-11 02:29:33,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2021-10-11 02:29:33,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 367. [2021-10-11 02:29:33,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2021-10-11 02:29:33,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 498 transitions. [2021-10-11 02:29:33,403 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 498 transitions. Word has length 21 [2021-10-11 02:29:33,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:33,403 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 498 transitions. [2021-10-11 02:29:33,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:33,403 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 498 transitions. [2021-10-11 02:29:33,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-11 02:29:33,405 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:33,405 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] [2021-10-11 02:29:33,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-11 02:29:33,406 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:33,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:33,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1386828201, now seen corresponding path program 1 times [2021-10-11 02:29:33,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:33,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779194735] [2021-10-11 02:29:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:33,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:33,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779194735] [2021-10-11 02:29:33,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:33,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:33,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195258556] [2021-10-11 02:29:33,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:33,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:33,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:33,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:33,461 INFO L87 Difference]: Start difference. First operand 367 states and 498 transitions. Second operand 4 states. [2021-10-11 02:29:33,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:33,672 INFO L93 Difference]: Finished difference Result 379 states and 508 transitions. [2021-10-11 02:29:33,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:33,672 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2021-10-11 02:29:33,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:33,675 INFO L225 Difference]: With dead ends: 379 [2021-10-11 02:29:33,675 INFO L226 Difference]: Without dead ends: 370 [2021-10-11 02:29:33,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:33,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-10-11 02:29:33,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 367. [2021-10-11 02:29:33,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2021-10-11 02:29:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 496 transitions. [2021-10-11 02:29:33,700 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 496 transitions. Word has length 21 [2021-10-11 02:29:33,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:33,701 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 496 transitions. [2021-10-11 02:29:33,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:33,701 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 496 transitions. [2021-10-11 02:29:33,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-11 02:29:33,702 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:33,702 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] [2021-10-11 02:29:33,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-11 02:29:33,703 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:33,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:33,704 INFO L82 PathProgramCache]: Analyzing trace with hash -721713018, now seen corresponding path program 1 times [2021-10-11 02:29:33,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:33,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751862563] [2021-10-11 02:29:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:33,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:33,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751862563] [2021-10-11 02:29:33,733 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:33,733 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:33,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664847499] [2021-10-11 02:29:33,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:33,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:33,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:33,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:33,734 INFO L87 Difference]: Start difference. First operand 367 states and 496 transitions. Second operand 3 states. [2021-10-11 02:29:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:33,775 INFO L93 Difference]: Finished difference Result 400 states and 531 transitions. [2021-10-11 02:29:33,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:33,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2021-10-11 02:29:33,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:33,778 INFO L225 Difference]: With dead ends: 400 [2021-10-11 02:29:33,778 INFO L226 Difference]: Without dead ends: 365 [2021-10-11 02:29:33,779 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 [2021-10-11 02:29:33,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-10-11 02:29:33,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 360. [2021-10-11 02:29:33,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2021-10-11 02:29:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 481 transitions. [2021-10-11 02:29:33,802 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 481 transitions. Word has length 21 [2021-10-11 02:29:33,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:33,802 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 481 transitions. [2021-10-11 02:29:33,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 481 transitions. [2021-10-11 02:29:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:29:33,803 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:33,804 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] [2021-10-11 02:29:33,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-11 02:29:33,804 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:33,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:33,805 INFO L82 PathProgramCache]: Analyzing trace with hash 600024430, now seen corresponding path program 1 times [2021-10-11 02:29:33,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:33,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401156818] [2021-10-11 02:29:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:33,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401156818] [2021-10-11 02:29:33,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:33,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:33,868 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287423456] [2021-10-11 02:29:33,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:33,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:33,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:33,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:33,870 INFO L87 Difference]: Start difference. First operand 360 states and 481 transitions. Second operand 4 states. [2021-10-11 02:29:34,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:34,139 INFO L93 Difference]: Finished difference Result 434 states and 563 transitions. [2021-10-11 02:29:34,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:34,140 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-10-11 02:29:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:34,142 INFO L225 Difference]: With dead ends: 434 [2021-10-11 02:29:34,143 INFO L226 Difference]: Without dead ends: 372 [2021-10-11 02:29:34,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:34,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2021-10-11 02:29:34,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 352. [2021-10-11 02:29:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2021-10-11 02:29:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 466 transitions. [2021-10-11 02:29:34,169 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 466 transitions. Word has length 22 [2021-10-11 02:29:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:34,169 INFO L481 AbstractCegarLoop]: Abstraction has 352 states and 466 transitions. [2021-10-11 02:29:34,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 466 transitions. [2021-10-11 02:29:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:29:34,170 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:34,171 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] [2021-10-11 02:29:34,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-11 02:29:34,174 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:34,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:34,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1247650095, now seen corresponding path program 1 times [2021-10-11 02:29:34,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:34,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585789356] [2021-10-11 02:29:34,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:34,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:34,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585789356] [2021-10-11 02:29:34,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:34,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:34,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219139992] [2021-10-11 02:29:34,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:34,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:34,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:34,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:34,215 INFO L87 Difference]: Start difference. First operand 352 states and 466 transitions. Second operand 3 states. [2021-10-11 02:29:34,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:34,267 INFO L93 Difference]: Finished difference Result 449 states and 582 transitions. [2021-10-11 02:29:34,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:34,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2021-10-11 02:29:34,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:34,270 INFO L225 Difference]: With dead ends: 449 [2021-10-11 02:29:34,270 INFO L226 Difference]: Without dead ends: 348 [2021-10-11 02:29:34,271 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 [2021-10-11 02:29:34,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-10-11 02:29:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 334. [2021-10-11 02:29:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2021-10-11 02:29:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 436 transitions. [2021-10-11 02:29:34,295 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 436 transitions. Word has length 22 [2021-10-11 02:29:34,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:34,296 INFO L481 AbstractCegarLoop]: Abstraction has 334 states and 436 transitions. [2021-10-11 02:29:34,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 436 transitions. [2021-10-11 02:29:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:29:34,297 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:34,297 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] [2021-10-11 02:29:34,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-11 02:29:34,297 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:34,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:34,298 INFO L82 PathProgramCache]: Analyzing trace with hash -321956229, now seen corresponding path program 1 times [2021-10-11 02:29:34,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:34,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898114226] [2021-10-11 02:29:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:34,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:34,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898114226] [2021-10-11 02:29:34,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:34,327 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:34,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808883238] [2021-10-11 02:29:34,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:34,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:34,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:34,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:34,329 INFO L87 Difference]: Start difference. First operand 334 states and 436 transitions. Second operand 4 states. [2021-10-11 02:29:34,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:34,382 INFO L93 Difference]: Finished difference Result 347 states and 448 transitions. [2021-10-11 02:29:34,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:34,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-10-11 02:29:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:34,384 INFO L225 Difference]: With dead ends: 347 [2021-10-11 02:29:34,384 INFO L226 Difference]: Without dead ends: 332 [2021-10-11 02:29:34,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:34,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-11 02:29:34,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2021-10-11 02:29:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2021-10-11 02:29:34,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 433 transitions. [2021-10-11 02:29:34,408 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 433 transitions. Word has length 22 [2021-10-11 02:29:34,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:34,408 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 433 transitions. [2021-10-11 02:29:34,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:34,409 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 433 transitions. [2021-10-11 02:29:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:29:34,409 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:34,409 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] [2021-10-11 02:29:34,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-11 02:29:34,410 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:34,411 INFO L82 PathProgramCache]: Analyzing trace with hash -310722340, now seen corresponding path program 1 times [2021-10-11 02:29:34,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:34,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017220093] [2021-10-11 02:29:34,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:34,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017220093] [2021-10-11 02:29:34,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:34,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:34,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40961278] [2021-10-11 02:29:34,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:34,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:34,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:34,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:34,453 INFO L87 Difference]: Start difference. First operand 332 states and 433 transitions. Second operand 4 states. [2021-10-11 02:29:34,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:34,515 INFO L93 Difference]: Finished difference Result 370 states and 472 transitions. [2021-10-11 02:29:34,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:34,515 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-10-11 02:29:34,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:34,517 INFO L225 Difference]: With dead ends: 370 [2021-10-11 02:29:34,517 INFO L226 Difference]: Without dead ends: 349 [2021-10-11 02:29:34,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:34,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2021-10-11 02:29:34,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 334. [2021-10-11 02:29:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2021-10-11 02:29:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 435 transitions. [2021-10-11 02:29:34,543 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 435 transitions. Word has length 22 [2021-10-11 02:29:34,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:34,543 INFO L481 AbstractCegarLoop]: Abstraction has 334 states and 435 transitions. [2021-10-11 02:29:34,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:34,543 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 435 transitions. [2021-10-11 02:29:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-11 02:29:34,544 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:34,544 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] [2021-10-11 02:29:34,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-11 02:29:34,545 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:34,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:34,545 INFO L82 PathProgramCache]: Analyzing trace with hash 90007441, now seen corresponding path program 1 times [2021-10-11 02:29:34,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:34,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588191890] [2021-10-11 02:29:34,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:34,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588191890] [2021-10-11 02:29:34,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:34,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:34,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997733745] [2021-10-11 02:29:34,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:34,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:34,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:34,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:34,588 INFO L87 Difference]: Start difference. First operand 334 states and 435 transitions. Second operand 4 states. [2021-10-11 02:29:34,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:34,673 INFO L93 Difference]: Finished difference Result 347 states and 447 transitions. [2021-10-11 02:29:34,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:34,674 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2021-10-11 02:29:34,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:34,677 INFO L225 Difference]: With dead ends: 347 [2021-10-11 02:29:34,678 INFO L226 Difference]: Without dead ends: 332 [2021-10-11 02:29:34,678 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:34,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-10-11 02:29:34,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 332. [2021-10-11 02:29:34,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2021-10-11 02:29:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 432 transitions. [2021-10-11 02:29:34,704 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 432 transitions. Word has length 22 [2021-10-11 02:29:34,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:34,704 INFO L481 AbstractCegarLoop]: Abstraction has 332 states and 432 transitions. [2021-10-11 02:29:34,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 432 transitions. [2021-10-11 02:29:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-11 02:29:34,705 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:34,706 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] [2021-10-11 02:29:34,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-11 02:29:34,706 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:34,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:34,707 INFO L82 PathProgramCache]: Analyzing trace with hash 895123765, now seen corresponding path program 1 times [2021-10-11 02:29:34,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:34,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306315238] [2021-10-11 02:29:34,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:34,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:34,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306315238] [2021-10-11 02:29:34,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:34,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:34,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013202443] [2021-10-11 02:29:34,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:34,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:34,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:34,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:34,754 INFO L87 Difference]: Start difference. First operand 332 states and 432 transitions. Second operand 3 states. [2021-10-11 02:29:34,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:34,803 INFO L93 Difference]: Finished difference Result 449 states and 574 transitions. [2021-10-11 02:29:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:34,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2021-10-11 02:29:34,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:34,805 INFO L225 Difference]: With dead ends: 449 [2021-10-11 02:29:34,806 INFO L226 Difference]: Without dead ends: 355 [2021-10-11 02:29:34,808 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 [2021-10-11 02:29:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2021-10-11 02:29:34,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 320. [2021-10-11 02:29:34,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2021-10-11 02:29:34,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 414 transitions. [2021-10-11 02:29:34,832 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 414 transitions. Word has length 23 [2021-10-11 02:29:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:34,833 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 414 transitions. [2021-10-11 02:29:34,833 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 414 transitions. [2021-10-11 02:29:34,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:29:34,834 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:34,834 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] [2021-10-11 02:29:34,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-10-11 02:29:34,834 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:34,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:34,835 INFO L82 PathProgramCache]: Analyzing trace with hash 487059468, now seen corresponding path program 1 times [2021-10-11 02:29:34,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:34,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934272686] [2021-10-11 02:29:34,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:34,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:34,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934272686] [2021-10-11 02:29:34,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:34,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:34,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365764777] [2021-10-11 02:29:34,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:34,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:34,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:34,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:34,965 INFO L87 Difference]: Start difference. First operand 320 states and 414 transitions. Second operand 3 states. [2021-10-11 02:29:35,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:35,039 INFO L93 Difference]: Finished difference Result 420 states and 536 transitions. [2021-10-11 02:29:35,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:35,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-10-11 02:29:35,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:35,042 INFO L225 Difference]: With dead ends: 420 [2021-10-11 02:29:35,042 INFO L226 Difference]: Without dead ends: 322 [2021-10-11 02:29:35,043 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 [2021-10-11 02:29:35,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-10-11 02:29:35,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 308. [2021-10-11 02:29:35,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2021-10-11 02:29:35,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 396 transitions. [2021-10-11 02:29:35,077 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 396 transitions. Word has length 24 [2021-10-11 02:29:35,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:35,078 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 396 transitions. [2021-10-11 02:29:35,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 396 transitions. [2021-10-11 02:29:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:29:35,079 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:35,079 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] [2021-10-11 02:29:35,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-10-11 02:29:35,080 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:35,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:35,081 INFO L82 PathProgramCache]: Analyzing trace with hash -62375040, now seen corresponding path program 1 times [2021-10-11 02:29:35,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:35,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126273226] [2021-10-11 02:29:35,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:35,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126273226] [2021-10-11 02:29:35,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:35,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:35,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708526823] [2021-10-11 02:29:35,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:35,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:35,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:35,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:35,127 INFO L87 Difference]: Start difference. First operand 308 states and 396 transitions. Second operand 4 states. [2021-10-11 02:29:35,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:35,349 INFO L93 Difference]: Finished difference Result 356 states and 446 transitions. [2021-10-11 02:29:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:35,349 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2021-10-11 02:29:35,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:35,351 INFO L225 Difference]: With dead ends: 356 [2021-10-11 02:29:35,351 INFO L226 Difference]: Without dead ends: 310 [2021-10-11 02:29:35,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:35,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-11 02:29:35,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 308. [2021-10-11 02:29:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2021-10-11 02:29:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 387 transitions. [2021-10-11 02:29:35,383 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 387 transitions. Word has length 24 [2021-10-11 02:29:35,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:35,384 INFO L481 AbstractCegarLoop]: Abstraction has 308 states and 387 transitions. [2021-10-11 02:29:35,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:35,384 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 387 transitions. [2021-10-11 02:29:35,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-11 02:29:35,385 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:35,385 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] [2021-10-11 02:29:35,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-10-11 02:29:35,386 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:35,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:35,386 INFO L82 PathProgramCache]: Analyzing trace with hash 24802769, now seen corresponding path program 1 times [2021-10-11 02:29:35,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:35,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959771642] [2021-10-11 02:29:35,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:35,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959771642] [2021-10-11 02:29:35,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:35,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:35,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287396874] [2021-10-11 02:29:35,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:35,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:35,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:35,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:35,467 INFO L87 Difference]: Start difference. First operand 308 states and 387 transitions. Second operand 5 states. [2021-10-11 02:29:35,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:35,559 INFO L93 Difference]: Finished difference Result 321 states and 399 transitions. [2021-10-11 02:29:35,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:35,559 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-10-11 02:29:35,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:35,561 INFO L225 Difference]: With dead ends: 321 [2021-10-11 02:29:35,561 INFO L226 Difference]: Without dead ends: 304 [2021-10-11 02:29:35,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:35,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-10-11 02:29:35,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2021-10-11 02:29:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-10-11 02:29:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 382 transitions. [2021-10-11 02:29:35,595 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 382 transitions. Word has length 24 [2021-10-11 02:29:35,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:35,596 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 382 transitions. [2021-10-11 02:29:35,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 382 transitions. [2021-10-11 02:29:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:29:35,597 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:35,598 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] [2021-10-11 02:29:35,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-10-11 02:29:35,598 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:35,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:35,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1551671180, now seen corresponding path program 1 times [2021-10-11 02:29:35,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:35,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691427955] [2021-10-11 02:29:35,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:35,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:35,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691427955] [2021-10-11 02:29:35,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:35,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:35,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848015795] [2021-10-11 02:29:35,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:35,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:35,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:35,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:35,670 INFO L87 Difference]: Start difference. First operand 304 states and 382 transitions. Second operand 4 states. [2021-10-11 02:29:35,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:35,882 INFO L93 Difference]: Finished difference Result 392 states and 490 transitions. [2021-10-11 02:29:35,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:35,883 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-10-11 02:29:35,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:35,885 INFO L225 Difference]: With dead ends: 392 [2021-10-11 02:29:35,885 INFO L226 Difference]: Without dead ends: 306 [2021-10-11 02:29:35,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:35,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-10-11 02:29:35,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304. [2021-10-11 02:29:35,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-10-11 02:29:35,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 379 transitions. [2021-10-11 02:29:35,914 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 379 transitions. Word has length 25 [2021-10-11 02:29:35,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:35,914 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 379 transitions. [2021-10-11 02:29:35,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 379 transitions. [2021-10-11 02:29:35,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-11 02:29:35,915 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:35,915 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] [2021-10-11 02:29:35,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-10-11 02:29:35,916 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:35,917 INFO L82 PathProgramCache]: Analyzing trace with hash 975556071, now seen corresponding path program 1 times [2021-10-11 02:29:35,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:35,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590918917] [2021-10-11 02:29:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:35,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:35,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590918917] [2021-10-11 02:29:35,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:35,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:35,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948526461] [2021-10-11 02:29:35,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:35,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:35,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:35,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:35,965 INFO L87 Difference]: Start difference. First operand 304 states and 379 transitions. Second operand 4 states. [2021-10-11 02:29:36,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:36,158 INFO L93 Difference]: Finished difference Result 350 states and 428 transitions. [2021-10-11 02:29:36,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:36,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2021-10-11 02:29:36,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:36,160 INFO L225 Difference]: With dead ends: 350 [2021-10-11 02:29:36,161 INFO L226 Difference]: Without dead ends: 304 [2021-10-11 02:29:36,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:36,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2021-10-11 02:29:36,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2021-10-11 02:29:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-10-11 02:29:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 370 transitions. [2021-10-11 02:29:36,192 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 370 transitions. Word has length 25 [2021-10-11 02:29:36,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:36,192 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 370 transitions. [2021-10-11 02:29:36,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 370 transitions. [2021-10-11 02:29:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:29:36,195 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:36,195 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] [2021-10-11 02:29:36,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-10-11 02:29:36,196 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:36,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash 2097147456, now seen corresponding path program 1 times [2021-10-11 02:29:36,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:36,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312587955] [2021-10-11 02:29:36,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:36,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:36,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312587955] [2021-10-11 02:29:36,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:36,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:36,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543470556] [2021-10-11 02:29:36,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:36,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:36,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:36,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:36,315 INFO L87 Difference]: Start difference. First operand 304 states and 370 transitions. Second operand 5 states. [2021-10-11 02:29:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:36,665 INFO L93 Difference]: Finished difference Result 357 states and 435 transitions. [2021-10-11 02:29:36,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:36,666 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-10-11 02:29:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:36,668 INFO L225 Difference]: With dead ends: 357 [2021-10-11 02:29:36,668 INFO L226 Difference]: Without dead ends: 353 [2021-10-11 02:29:36,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:36,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2021-10-11 02:29:36,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 304. [2021-10-11 02:29:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2021-10-11 02:29:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 370 transitions. [2021-10-11 02:29:36,702 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 370 transitions. Word has length 26 [2021-10-11 02:29:36,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:36,703 INFO L481 AbstractCegarLoop]: Abstraction has 304 states and 370 transitions. [2021-10-11 02:29:36,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:36,703 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 370 transitions. [2021-10-11 02:29:36,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:29:36,704 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:36,704 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] [2021-10-11 02:29:36,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-10-11 02:29:36,705 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:36,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:36,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1048980172, now seen corresponding path program 1 times [2021-10-11 02:29:36,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:36,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750869203] [2021-10-11 02:29:36,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:36,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750869203] [2021-10-11 02:29:36,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:36,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:29:36,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629130561] [2021-10-11 02:29:36,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:29:36,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:36,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:29:36,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:36,809 INFO L87 Difference]: Start difference. First operand 304 states and 370 transitions. Second operand 6 states. [2021-10-11 02:29:37,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:37,012 INFO L93 Difference]: Finished difference Result 349 states and 414 transitions. [2021-10-11 02:29:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:29:37,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-10-11 02:29:37,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:37,015 INFO L225 Difference]: With dead ends: 349 [2021-10-11 02:29:37,015 INFO L226 Difference]: Without dead ends: 331 [2021-10-11 02:29:37,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:29:37,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-10-11 02:29:37,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 298. [2021-10-11 02:29:37,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-10-11 02:29:37,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 353 transitions. [2021-10-11 02:29:37,049 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 353 transitions. Word has length 26 [2021-10-11 02:29:37,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:37,050 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 353 transitions. [2021-10-11 02:29:37,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:29:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 353 transitions. [2021-10-11 02:29:37,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-11 02:29:37,051 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:37,051 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] [2021-10-11 02:29:37,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-11 02:29:37,052 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:37,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:37,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1940120667, now seen corresponding path program 1 times [2021-10-11 02:29:37,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:37,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159578862] [2021-10-11 02:29:37,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:37,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159578862] [2021-10-11 02:29:37,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:37,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:37,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631237042] [2021-10-11 02:29:37,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:37,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:37,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:37,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:37,094 INFO L87 Difference]: Start difference. First operand 298 states and 353 transitions. Second operand 3 states. [2021-10-11 02:29:37,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:37,232 INFO L93 Difference]: Finished difference Result 334 states and 387 transitions. [2021-10-11 02:29:37,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:37,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2021-10-11 02:29:37,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:37,235 INFO L225 Difference]: With dead ends: 334 [2021-10-11 02:29:37,235 INFO L226 Difference]: Without dead ends: 314 [2021-10-11 02:29:37,236 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 [2021-10-11 02:29:37,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-10-11 02:29:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 302. [2021-10-11 02:29:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2021-10-11 02:29:37,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 354 transitions. [2021-10-11 02:29:37,266 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 354 transitions. Word has length 26 [2021-10-11 02:29:37,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:37,267 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 354 transitions. [2021-10-11 02:29:37,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 354 transitions. [2021-10-11 02:29:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:29:37,268 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:37,268 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] [2021-10-11 02:29:37,268 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-11 02:29:37,269 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:37,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:37,269 INFO L82 PathProgramCache]: Analyzing trace with hash 3393157, now seen corresponding path program 1 times [2021-10-11 02:29:37,269 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:37,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815754135] [2021-10-11 02:29:37,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:37,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815754135] [2021-10-11 02:29:37,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:37,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:37,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789632979] [2021-10-11 02:29:37,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:37,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:37,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:37,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:37,337 INFO L87 Difference]: Start difference. First operand 302 states and 354 transitions. Second operand 5 states. [2021-10-11 02:29:37,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:37,571 INFO L93 Difference]: Finished difference Result 338 states and 387 transitions. [2021-10-11 02:29:37,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:37,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2021-10-11 02:29:37,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:37,573 INFO L225 Difference]: With dead ends: 338 [2021-10-11 02:29:37,574 INFO L226 Difference]: Without dead ends: 335 [2021-10-11 02:29:37,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:37,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-10-11 02:29:37,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 307. [2021-10-11 02:29:37,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2021-10-11 02:29:37,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 359 transitions. [2021-10-11 02:29:37,609 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 359 transitions. Word has length 27 [2021-10-11 02:29:37,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:37,609 INFO L481 AbstractCegarLoop]: Abstraction has 307 states and 359 transitions. [2021-10-11 02:29:37,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:37,609 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 359 transitions. [2021-10-11 02:29:37,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-11 02:29:37,610 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:37,610 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] [2021-10-11 02:29:37,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-10-11 02:29:37,611 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:37,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:37,612 INFO L82 PathProgramCache]: Analyzing trace with hash 3381241, now seen corresponding path program 1 times [2021-10-11 02:29:37,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:37,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718879939] [2021-10-11 02:29:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:37,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718879939] [2021-10-11 02:29:37,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:37,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:37,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536591969] [2021-10-11 02:29:37,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:37,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:37,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:37,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:37,667 INFO L87 Difference]: Start difference. First operand 307 states and 359 transitions. Second operand 4 states. [2021-10-11 02:29:37,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:37,857 INFO L93 Difference]: Finished difference Result 318 states and 369 transitions. [2021-10-11 02:29:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:37,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2021-10-11 02:29:37,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:37,860 INFO L225 Difference]: With dead ends: 318 [2021-10-11 02:29:37,860 INFO L226 Difference]: Without dead ends: 289 [2021-10-11 02:29:37,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:37,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2021-10-11 02:29:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 285. [2021-10-11 02:29:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2021-10-11 02:29:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 335 transitions. [2021-10-11 02:29:37,893 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 335 transitions. Word has length 27 [2021-10-11 02:29:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:37,893 INFO L481 AbstractCegarLoop]: Abstraction has 285 states and 335 transitions. [2021-10-11 02:29:37,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 335 transitions. [2021-10-11 02:29:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-11 02:29:37,894 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:37,894 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] [2021-10-11 02:29:37,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-10-11 02:29:37,896 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:37,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:37,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1014503582, now seen corresponding path program 1 times [2021-10-11 02:29:37,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:37,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592194204] [2021-10-11 02:29:37,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:37,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592194204] [2021-10-11 02:29:37,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:37,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:37,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202498493] [2021-10-11 02:29:37,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:37,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:37,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:37,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:37,957 INFO L87 Difference]: Start difference. First operand 285 states and 335 transitions. Second operand 5 states. [2021-10-11 02:29:38,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:38,248 INFO L93 Difference]: Finished difference Result 315 states and 369 transitions. [2021-10-11 02:29:38,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:38,248 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2021-10-11 02:29:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:38,250 INFO L225 Difference]: With dead ends: 315 [2021-10-11 02:29:38,251 INFO L226 Difference]: Without dead ends: 313 [2021-10-11 02:29:38,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:38,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2021-10-11 02:29:38,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 285. [2021-10-11 02:29:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2021-10-11 02:29:38,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 335 transitions. [2021-10-11 02:29:38,286 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 335 transitions. Word has length 28 [2021-10-11 02:29:38,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:38,286 INFO L481 AbstractCegarLoop]: Abstraction has 285 states and 335 transitions. [2021-10-11 02:29:38,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:38,287 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 335 transitions. [2021-10-11 02:29:38,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:29:38,287 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:38,287 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] [2021-10-11 02:29:38,288 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-10-11 02:29:38,291 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:38,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:38,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1614193971, now seen corresponding path program 1 times [2021-10-11 02:29:38,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:38,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750609869] [2021-10-11 02:29:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:38,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750609869] [2021-10-11 02:29:38,345 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:38,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:38,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474977230] [2021-10-11 02:29:38,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:38,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:38,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:38,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:38,347 INFO L87 Difference]: Start difference. First operand 285 states and 335 transitions. Second operand 5 states. [2021-10-11 02:29:38,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:38,467 INFO L93 Difference]: Finished difference Result 312 states and 360 transitions. [2021-10-11 02:29:38,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:38,468 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:29:38,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:38,470 INFO L225 Difference]: With dead ends: 312 [2021-10-11 02:29:38,470 INFO L226 Difference]: Without dead ends: 295 [2021-10-11 02:29:38,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2021-10-11 02:29:38,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 282. [2021-10-11 02:29:38,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-10-11 02:29:38,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 330 transitions. [2021-10-11 02:29:38,501 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 330 transitions. Word has length 29 [2021-10-11 02:29:38,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:38,501 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 330 transitions. [2021-10-11 02:29:38,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 330 transitions. [2021-10-11 02:29:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-11 02:29:38,502 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:38,502 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] [2021-10-11 02:29:38,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-10-11 02:29:38,503 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:38,503 INFO L82 PathProgramCache]: Analyzing trace with hash -14908829, now seen corresponding path program 1 times [2021-10-11 02:29:38,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:38,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603662479] [2021-10-11 02:29:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:38,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603662479] [2021-10-11 02:29:38,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:38,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:38,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417519898] [2021-10-11 02:29:38,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:38,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:38,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:38,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:38,545 INFO L87 Difference]: Start difference. First operand 282 states and 330 transitions. Second operand 5 states. [2021-10-11 02:29:38,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:38,620 INFO L93 Difference]: Finished difference Result 308 states and 357 transitions. [2021-10-11 02:29:38,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:38,621 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2021-10-11 02:29:38,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:38,622 INFO L225 Difference]: With dead ends: 308 [2021-10-11 02:29:38,623 INFO L226 Difference]: Without dead ends: 282 [2021-10-11 02:29:38,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:38,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-10-11 02:29:38,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-10-11 02:29:38,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-10-11 02:29:38,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 329 transitions. [2021-10-11 02:29:38,653 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 329 transitions. Word has length 29 [2021-10-11 02:29:38,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:38,653 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 329 transitions. [2021-10-11 02:29:38,654 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:38,654 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 329 transitions. [2021-10-11 02:29:38,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:29:38,655 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:38,655 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] [2021-10-11 02:29:38,655 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-10-11 02:29:38,656 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:38,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:38,656 INFO L82 PathProgramCache]: Analyzing trace with hash -492642926, now seen corresponding path program 1 times [2021-10-11 02:29:38,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:38,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854120062] [2021-10-11 02:29:38,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:38,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854120062] [2021-10-11 02:29:38,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:38,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:38,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753929385] [2021-10-11 02:29:38,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:38,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:38,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:38,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:38,718 INFO L87 Difference]: Start difference. First operand 282 states and 329 transitions. Second operand 5 states. [2021-10-11 02:29:38,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:38,911 INFO L93 Difference]: Finished difference Result 307 states and 350 transitions. [2021-10-11 02:29:38,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:38,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-10-11 02:29:38,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:38,913 INFO L225 Difference]: With dead ends: 307 [2021-10-11 02:29:38,913 INFO L226 Difference]: Without dead ends: 288 [2021-10-11 02:29:38,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:38,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2021-10-11 02:29:38,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 274. [2021-10-11 02:29:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274 states. [2021-10-11 02:29:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 320 transitions. [2021-10-11 02:29:38,942 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 320 transitions. Word has length 30 [2021-10-11 02:29:38,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:38,942 INFO L481 AbstractCegarLoop]: Abstraction has 274 states and 320 transitions. [2021-10-11 02:29:38,942 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:38,943 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 320 transitions. [2021-10-11 02:29:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-11 02:29:38,943 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:38,944 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] [2021-10-11 02:29:38,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-10-11 02:29:38,944 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:38,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:38,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1897018935, now seen corresponding path program 1 times [2021-10-11 02:29:38,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:38,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003654270] [2021-10-11 02:29:38,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:38,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003654270] [2021-10-11 02:29:38,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:38,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:38,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966288739] [2021-10-11 02:29:38,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:38,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:38,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:38,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:38,990 INFO L87 Difference]: Start difference. First operand 274 states and 320 transitions. Second operand 4 states. [2021-10-11 02:29:39,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:39,139 INFO L93 Difference]: Finished difference Result 316 states and 371 transitions. [2021-10-11 02:29:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:29:39,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2021-10-11 02:29:39,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:39,141 INFO L225 Difference]: With dead ends: 316 [2021-10-11 02:29:39,142 INFO L226 Difference]: Without dead ends: 310 [2021-10-11 02:29:39,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:39,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-10-11 02:29:39,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 260. [2021-10-11 02:29:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2021-10-11 02:29:39,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 305 transitions. [2021-10-11 02:29:39,171 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 305 transitions. Word has length 30 [2021-10-11 02:29:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:39,171 INFO L481 AbstractCegarLoop]: Abstraction has 260 states and 305 transitions. [2021-10-11 02:29:39,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 305 transitions. [2021-10-11 02:29:39,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-11 02:29:39,173 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:39,173 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] [2021-10-11 02:29:39,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-10-11 02:29:39,173 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:39,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:39,174 INFO L82 PathProgramCache]: Analyzing trace with hash -278571589, now seen corresponding path program 1 times [2021-10-11 02:29:39,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:39,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99408265] [2021-10-11 02:29:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:39,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99408265] [2021-10-11 02:29:39,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:39,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:39,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092088396] [2021-10-11 02:29:39,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:39,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:39,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:39,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:39,212 INFO L87 Difference]: Start difference. First operand 260 states and 305 transitions. Second operand 5 states. [2021-10-11 02:29:39,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:39,315 INFO L93 Difference]: Finished difference Result 282 states and 324 transitions. [2021-10-11 02:29:39,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:39,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-10-11 02:29:39,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:39,318 INFO L225 Difference]: With dead ends: 282 [2021-10-11 02:29:39,318 INFO L226 Difference]: Without dead ends: 256 [2021-10-11 02:29:39,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:39,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2021-10-11 02:29:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 244. [2021-10-11 02:29:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2021-10-11 02:29:39,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 284 transitions. [2021-10-11 02:29:39,344 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 284 transitions. Word has length 31 [2021-10-11 02:29:39,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:39,345 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 284 transitions. [2021-10-11 02:29:39,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 284 transitions. [2021-10-11 02:29:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:29:39,346 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:39,346 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] [2021-10-11 02:29:39,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-10-11 02:29:39,347 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:39,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:39,347 INFO L82 PathProgramCache]: Analyzing trace with hash -424703060, now seen corresponding path program 1 times [2021-10-11 02:29:39,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:39,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276107665] [2021-10-11 02:29:39,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:39,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276107665] [2021-10-11 02:29:39,391 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:39,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:29:39,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019385765] [2021-10-11 02:29:39,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:29:39,392 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:39,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:29:39,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:29:39,393 INFO L87 Difference]: Start difference. First operand 244 states and 284 transitions. Second operand 4 states. [2021-10-11 02:29:39,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:39,452 INFO L93 Difference]: Finished difference Result 273 states and 310 transitions. [2021-10-11 02:29:39,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:39,453 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2021-10-11 02:29:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:39,455 INFO L225 Difference]: With dead ends: 273 [2021-10-11 02:29:39,455 INFO L226 Difference]: Without dead ends: 257 [2021-10-11 02:29:39,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2021-10-11 02:29:39,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 241. [2021-10-11 02:29:39,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2021-10-11 02:29:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 280 transitions. [2021-10-11 02:29:39,483 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 280 transitions. Word has length 33 [2021-10-11 02:29:39,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:39,483 INFO L481 AbstractCegarLoop]: Abstraction has 241 states and 280 transitions. [2021-10-11 02:29:39,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:29:39,484 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 280 transitions. [2021-10-11 02:29:39,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-11 02:29:39,484 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:39,485 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] [2021-10-11 02:29:39,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-10-11 02:29:39,485 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:39,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:39,486 INFO L82 PathProgramCache]: Analyzing trace with hash 38952795, now seen corresponding path program 1 times [2021-10-11 02:29:39,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:39,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777838786] [2021-10-11 02:29:39,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:39,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777838786] [2021-10-11 02:29:39,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:39,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:29:39,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837894672] [2021-10-11 02:29:39,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:29:39,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:39,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:29:39,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:39,550 INFO L87 Difference]: Start difference. First operand 241 states and 280 transitions. Second operand 6 states. [2021-10-11 02:29:39,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:39,750 INFO L93 Difference]: Finished difference Result 261 states and 298 transitions. [2021-10-11 02:29:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:29:39,750 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2021-10-11 02:29:39,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:39,752 INFO L225 Difference]: With dead ends: 261 [2021-10-11 02:29:39,752 INFO L226 Difference]: Without dead ends: 201 [2021-10-11 02:29:39,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:29:39,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-10-11 02:29:39,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 181. [2021-10-11 02:29:39,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2021-10-11 02:29:39,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 214 transitions. [2021-10-11 02:29:39,773 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 214 transitions. Word has length 33 [2021-10-11 02:29:39,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:39,773 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 214 transitions. [2021-10-11 02:29:39,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:29:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 214 transitions. [2021-10-11 02:29:39,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-11 02:29:39,774 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:39,775 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] [2021-10-11 02:29:39,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-10-11 02:29:39,775 INFO L429 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:39,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:39,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1966657649, now seen corresponding path program 1 times [2021-10-11 02:29:39,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:39,776 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921581356] [2021-10-11 02:29:39,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:39,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921581356] [2021-10-11 02:29:39,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:39,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:39,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114209790] [2021-10-11 02:29:39,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:39,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:39,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:39,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:39,827 INFO L87 Difference]: Start difference. First operand 181 states and 214 transitions. Second operand 5 states. [2021-10-11 02:29:39,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:39,991 INFO L93 Difference]: Finished difference Result 214 states and 258 transitions. [2021-10-11 02:29:39,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:39,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-10-11 02:29:39,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:39,993 INFO L225 Difference]: With dead ends: 214 [2021-10-11 02:29:39,993 INFO L226 Difference]: Without dead ends: 212 [2021-10-11 02:29:39,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:39,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-10-11 02:29:40,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 167. [2021-10-11 02:29:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2021-10-11 02:29:40,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 195 transitions. [2021-10-11 02:29:40,011 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 195 transitions. Word has length 36 [2021-10-11 02:29:40,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:40,012 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 195 transitions. [2021-10-11 02:29:40,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 195 transitions. [2021-10-11 02:29:40,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-11 02:29:40,013 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:40,013 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] [2021-10-11 02:29:40,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-10-11 02:29:40,013 INFO L429 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:40,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:40,014 INFO L82 PathProgramCache]: Analyzing trace with hash -208575296, now seen corresponding path program 1 times [2021-10-11 02:29:40,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:40,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95710100] [2021-10-11 02:29:40,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:40,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:40,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95710100] [2021-10-11 02:29:40,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:40,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:29:40,064 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310314014] [2021-10-11 02:29:40,065 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:29:40,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:40,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:29:40,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:29:40,066 INFO L87 Difference]: Start difference. First operand 167 states and 195 transitions. Second operand 5 states. [2021-10-11 02:29:40,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:40,120 INFO L93 Difference]: Finished difference Result 171 states and 198 transitions. [2021-10-11 02:29:40,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:29:40,121 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2021-10-11 02:29:40,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:40,122 INFO L225 Difference]: With dead ends: 171 [2021-10-11 02:29:40,122 INFO L226 Difference]: Without dead ends: 126 [2021-10-11 02:29:40,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:40,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-11 02:29:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-10-11 02:29:40,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2021-10-11 02:29:40,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 145 transitions. [2021-10-11 02:29:40,137 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 145 transitions. Word has length 37 [2021-10-11 02:29:40,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:40,138 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 145 transitions. [2021-10-11 02:29:40,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:29:40,138 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 145 transitions. [2021-10-11 02:29:40,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-11 02:29:40,138 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:40,139 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] [2021-10-11 02:29:40,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-10-11 02:29:40,160 INFO L429 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:40,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:40,161 INFO L82 PathProgramCache]: Analyzing trace with hash 813926838, now seen corresponding path program 1 times [2021-10-11 02:29:40,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:40,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594149855] [2021-10-11 02:29:40,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:40,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:40,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594149855] [2021-10-11 02:29:40,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:40,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-11 02:29:40,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584023820] [2021-10-11 02:29:40,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 02:29:40,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:40,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 02:29:40,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:29:40,232 INFO L87 Difference]: Start difference. First operand 126 states and 145 transitions. Second operand 7 states. [2021-10-11 02:29:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:40,411 INFO L93 Difference]: Finished difference Result 142 states and 160 transitions. [2021-10-11 02:29:40,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-11 02:29:40,412 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2021-10-11 02:29:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:40,413 INFO L225 Difference]: With dead ends: 142 [2021-10-11 02:29:40,413 INFO L226 Difference]: Without dead ends: 126 [2021-10-11 02:29:40,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:29:40,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-11 02:29:40,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-10-11 02:29:40,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2021-10-11 02:29:40,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2021-10-11 02:29:40,436 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 40 [2021-10-11 02:29:40,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:40,436 INFO L481 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2021-10-11 02:29:40,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 02:29:40,436 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2021-10-11 02:29:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-10-11 02:29:40,437 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:40,437 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] [2021-10-11 02:29:40,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-10-11 02:29:40,438 INFO L429 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:40,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:40,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1623974157, now seen corresponding path program 1 times [2021-10-11 02:29:40,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:40,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577838772] [2021-10-11 02:29:40,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:40,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577838772] [2021-10-11 02:29:40,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:40,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:29:40,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376499116] [2021-10-11 02:29:40,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:29:40,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:40,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:29:40,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:29:40,496 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand 6 states. [2021-10-11 02:29:40,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:40,617 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions. [2021-10-11 02:29:40,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:29:40,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2021-10-11 02:29:40,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:40,619 INFO L225 Difference]: With dead ends: 146 [2021-10-11 02:29:40,619 INFO L226 Difference]: Without dead ends: 128 [2021-10-11 02:29:40,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:29:40,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-10-11 02:29:40,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-10-11 02:29:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:29:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 145 transitions. [2021-10-11 02:29:40,638 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 145 transitions. Word has length 40 [2021-10-11 02:29:40,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:40,638 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 145 transitions. [2021-10-11 02:29:40,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:29:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 145 transitions. [2021-10-11 02:29:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-10-11 02:29:40,639 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:40,639 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] [2021-10-11 02:29:40,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-10-11 02:29:40,640 INFO L429 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:40,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:40,640 INFO L82 PathProgramCache]: Analyzing trace with hash 467199401, now seen corresponding path program 1 times [2021-10-11 02:29:40,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:40,641 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995813215] [2021-10-11 02:29:40,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:29:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:29:40,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995813215] [2021-10-11 02:29:40,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:29:40,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:29:40,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444338838] [2021-10-11 02:29:40,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:29:40,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:29:40,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:29:40,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:29:40,671 INFO L87 Difference]: Start difference. First operand 128 states and 145 transitions. Second operand 3 states. [2021-10-11 02:29:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:29:40,709 INFO L93 Difference]: Finished difference Result 228 states and 254 transitions. [2021-10-11 02:29:40,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:29:40,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-10-11 02:29:40,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:29:40,711 INFO L225 Difference]: With dead ends: 228 [2021-10-11 02:29:40,711 INFO L226 Difference]: Without dead ends: 158 [2021-10-11 02:29:40,712 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 [2021-10-11 02:29:40,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-11 02:29:40,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 128. [2021-10-11 02:29:40,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-10-11 02:29:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 142 transitions. [2021-10-11 02:29:40,731 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 142 transitions. Word has length 41 [2021-10-11 02:29:40,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:29:40,732 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 142 transitions. [2021-10-11 02:29:40,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:29:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 142 transitions. [2021-10-11 02:29:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-10-11 02:29:40,736 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:29:40,736 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] [2021-10-11 02:29:40,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-10-11 02:29:40,740 INFO L429 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr45ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr41ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr49ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr44ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr53ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr48ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr52ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr43ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr47ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr51ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr46ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr42ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr50ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:29:40,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:29:40,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1346624936, now seen corresponding path program 1 times [2021-10-11 02:29:40,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:29:40,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659519141] [2021-10-11 02:29:40,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:29:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:29:40,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:29:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:29:40,803 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:29:40,868 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:29:40,869 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:29:40,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-10-11 02:29:41,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:29:41 BoogieIcfgContainer [2021-10-11 02:29:41,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:29:41,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:29:41,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:29:41,012 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:29:41,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:29:30" (3/4) ... [2021-10-11 02:29:41,014 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:29:41,108 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b698e9ea-5d67-4393-beee-ca8ee6d85d2d/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:29:41,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:29:41,110 INFO L168 Benchmark]: Toolchain (without parser) took 15343.60 ms. Allocated memory was 117.4 MB in the beginning and 440.4 MB in the end (delta: 323.0 MB). Free memory was 78.0 MB in the beginning and 233.7 MB in the end (delta: -155.7 MB). Peak memory consumption was 166.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,110 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 117.4 MB. Free memory was 96.3 MB in the beginning and 96.2 MB in the end (delta: 60.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:29:41,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 711.70 ms. Allocated memory is still 117.4 MB. Free memory was 77.8 MB in the beginning and 78.5 MB in the end (delta: -683.1 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.74 ms. Allocated memory is still 117.4 MB. Free memory was 78.5 MB in the beginning and 68.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,111 INFO L168 Benchmark]: Boogie Preprocessor took 102.31 ms. Allocated memory is still 117.4 MB. Free memory was 67.8 MB in the beginning and 61.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,111 INFO L168 Benchmark]: RCFGBuilder took 3656.30 ms. Allocated memory was 117.4 MB in the beginning and 220.2 MB in the end (delta: 102.8 MB). Free memory was 61.1 MB in the beginning and 159.4 MB in the end (delta: -98.3 MB). Peak memory consumption was 73.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,112 INFO L168 Benchmark]: TraceAbstraction took 10600.11 ms. Allocated memory was 220.2 MB in the beginning and 440.4 MB in the end (delta: 220.2 MB). Free memory was 158.3 MB in the beginning and 248.4 MB in the end (delta: -90.0 MB). Peak memory consumption was 131.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,112 INFO L168 Benchmark]: Witness Printer took 96.93 ms. Allocated memory is still 440.4 MB. Free memory was 248.4 MB in the beginning and 233.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:29:41,114 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 117.4 MB. Free memory was 96.3 MB in the beginning and 96.2 MB in the end (delta: 60.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 711.70 ms. Allocated memory is still 117.4 MB. Free memory was 77.8 MB in the beginning and 78.5 MB in the end (delta: -683.1 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 164.74 ms. Allocated memory is still 117.4 MB. Free memory was 78.5 MB in the beginning and 68.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 102.31 ms. Allocated memory is still 117.4 MB. Free memory was 67.8 MB in the beginning and 61.1 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3656.30 ms. Allocated memory was 117.4 MB in the beginning and 220.2 MB in the end (delta: 102.8 MB). Free memory was 61.1 MB in the beginning and 159.4 MB in the end (delta: -98.3 MB). Peak memory consumption was 73.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10600.11 ms. Allocated memory was 220.2 MB in the beginning and 440.4 MB in the end (delta: 220.2 MB). Free memory was 158.3 MB in the beginning and 248.4 MB in the end (delta: -90.0 MB). Peak memory consumption was 131.2 MB. Max. memory is 16.1 GB. * Witness Printer took 96.93 ms. Allocated memory is still 440.4 MB. Free memory was 248.4 MB in the beginning and 233.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1627]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] int FloppyThread ; [L43] int KernelMode ; [L44] int Suspended ; [L45] int Executive ; [L46] int DiskController ; [L47] int FloppyDiskPeripheral ; [L48] int FlConfigCallBack ; [L49] int MaximumInterfaceType ; [L50] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L51] int myStatus ; [L52] int s ; [L53] int UNLOADED ; [L54] int NP ; [L55] int DC ; [L56] int SKIP1 ; [L57] int SKIP2 ; [L58] int MPR1 ; [L59] int MPR3 ; [L60] int IPC ; [L61] int pended ; [L62] int compRegistered ; [L63] int lowerDriverReturn ; [L64] int setEventCalled ; [L65] int customIrp ; [L88] int PagingReferenceCount = 0; [L89] int PagingMutex = 0; [L668] int status ; [L669] int irp = __VERIFIER_nondet_int() ; [L670] int pirp ; [L671] int pirp__IoStatus__Status ; [L672] int irp_choice = __VERIFIER_nondet_int() ; [L673] int devobj = __VERIFIER_nondet_int() ; [L674] int __cil_tmp8 ; [L676] FloppyThread = 0 [L677] KernelMode = 0 [L678] Suspended = 0 [L679] Executive = 0 [L680] DiskController = 0 [L681] FloppyDiskPeripheral = 0 [L682] FlConfigCallBack = 0 [L683] MaximumInterfaceType = 0 [L684] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L685] myStatus = 0 [L686] s = 0 [L687] UNLOADED = 0 [L688] NP = 0 [L689] DC = 0 [L690] SKIP1 = 0 [L691] SKIP2 = 0 [L692] MPR1 = 0 [L693] MPR3 = 0 [L694] IPC = 0 [L695] pended = 0 [L696] compRegistered = 0 [L697] lowerDriverReturn = 0 [L698] setEventCalled = 0 [L699] customIrp = 0 [L703] status = 0 [L704] pirp = irp [L71] UNLOADED = 0 [L72] NP = 1 [L73] DC = 2 [L74] SKIP1 = 3 [L75] SKIP2 = 4 [L76] MPR1 = 5 [L77] MPR3 = 6 [L78] IPC = 7 [L79] s = UNLOADED [L80] pended = 0 [L81] compRegistered = 0 [L82] lowerDriverReturn = 0 [L83] setEventCalled = 0 [L84] customIrp = 0 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L707] COND TRUE status >= 0 [L708] s = NP [L709] customIrp = 0 [L710] setEventCalled = customIrp [L711] lowerDriverReturn = setEventCalled [L712] compRegistered = lowerDriverReturn [L713] pended = compRegistered [L714] pirp__IoStatus__Status = 0 [L715] myStatus = 0 [L716] COND FALSE !(irp_choice == 0) [L658] s = NP [L659] pended = 0 [L660] compRegistered = 0 [L661] lowerDriverReturn = 0 [L662] setEventCalled = 0 [L663] customIrp = 0 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L724] COND FALSE !(status < 0) [L728] int tmp_ndt_1; [L729] tmp_ndt_1 = __VERIFIER_nondet_int() [L730] COND FALSE !(tmp_ndt_1 == 0) [L733] int tmp_ndt_2; [L734] tmp_ndt_2 = __VERIFIER_nondet_int() [L735] COND FALSE !(tmp_ndt_2 == 1) [L738] int tmp_ndt_3; [L739] tmp_ndt_3 = __VERIFIER_nondet_int() [L740] COND FALSE !(tmp_ndt_3 == 2) [L743] int tmp_ndt_4; [L744] tmp_ndt_4 = __VERIFIER_nondet_int() [L745] COND TRUE tmp_ndt_4 == 3 [L161] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L162] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L163] int Irp__IoStatus__Information ; [L164] int Irp__IoStatus__Status ; [L165] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L166] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L167] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L168] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L169] int disketteExtension__HoldNewRequests ; [L170] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L171] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L172] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L173] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L174] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L175] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L176] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L177] int irpSp ; [L178] int disketteExtension ; [L179] int ntStatus ; [L180] int doneEvent = __VERIFIER_nondet_int() ; [L181] int irpSp___0 ; [L182] int nextIrpSp ; [L183] int nextIrpSp__Control ; [L184] int irpSp___1 ; [L185] int irpSp__Context ; [L186] int irpSp__Control ; [L187] long __cil_tmp29 ; [L188] long __cil_tmp30 ; [L191] ntStatus = 0 [L192] PagingReferenceCount ++ [L193] COND TRUE PagingReferenceCount == 1 [L196] disketteExtension = DeviceObject__DeviceExtension [L197] irpSp = Irp__Tail__Overlay__CurrentStackLocation VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L198] COND FALSE !(\read(disketteExtension__IsRemoved)) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L207] COND FALSE !(irpSp__MinorFunction == 0) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L210] COND TRUE irpSp__MinorFunction == 5 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L236] COND TRUE irpSp__MinorFunction == 5 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L239] COND FALSE !(! disketteExtension__IsStarted) [L255] disketteExtension__HoldNewRequests = 1 [L98] int status ; [L99] int threadHandle = __VERIFIER_nondet_int() ; [L100] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L101] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L102] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L103] int Irp__IoStatus__Status ; [L104] int Irp__IoStatus__Information ; [L105] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L106] int ObjAttributes = __VERIFIER_nondet_int() ; [L107] int __cil_tmp12 ; [L108] int __cil_tmp13 ; VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L111] COND FALSE !(DisketteExtension__PoweringDown == 1) [L117] DisketteExtension__ThreadReferenceCount ++ VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L118] COND FALSE !(DisketteExtension__ThreadReferenceCount == 0) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L150] COND TRUE pended == 0 [L151] pended = 1 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L157] return (259); VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L256] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L259] __cil_tmp29 = (long )ntStatus VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L260] COND TRUE __cil_tmp29 == 259L [L1066] COND FALSE !(s == MPR3) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1075] COND FALSE !(customIrp == 1) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1079] COND FALSE !(s == MPR3) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1086] int tmp_ndt_12; [L1087] tmp_ndt_12 = __VERIFIER_nondet_int() [L1088] COND TRUE tmp_ndt_12 == 0 [L1094] return (0); [L265] COND TRUE disketteExtension__FloppyThread != 0 [L268] disketteExtension__FloppyThread = 0 [L269] Irp__IoStatus__Status = 0 [L270] myStatus = 0 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L271] COND TRUE s == NP [L272] s = SKIP1 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L279] Irp__CurrentLocation ++ [L280] Irp__Tail__Overlay__CurrentStackLocation ++ [L968] int returnVal2 ; [L969] int compRetStatus1 ; [L970] int lcontext = __VERIFIER_nondet_int() ; [L971] unsigned long __cil_tmp7 ; VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L974] COND FALSE !(\read(compRegistered)) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L987] int tmp_ndt_10; [L988] tmp_ndt_10 = __VERIFIER_nondet_int() [L989] COND FALSE !(tmp_ndt_10 == 0) [L992] int tmp_ndt_11; [L993] tmp_ndt_11 = __VERIFIER_nondet_int() [L994] COND TRUE tmp_ndt_11 == 1 [L1003] returnVal2 = -1073741823 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1013] COND FALSE !(s == NP) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1017] COND FALSE !(s == MPR1) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1026] COND TRUE s == SKIP1 [L1027] s = SKIP2 [L1028] lowerDriverReturn = returnVal2 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1036] return (returnVal2); [L281] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L427] PagingReferenceCount -- [L428] COND TRUE PagingReferenceCount == 0 [L431] return (ntStatus); VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L767] status = FloppyPnp(devobj, pirp) [L780] COND TRUE pended == 1 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L781] COND FALSE !(s == NP) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L788] COND TRUE pended == 1 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L789] COND FALSE !(s == MPR3) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L796] COND TRUE s != UNLOADED VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L797] COND TRUE status != -1 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L798] COND FALSE !(s != SKIP2) VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L812] COND TRUE pended == 1 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L813] COND TRUE status != 259 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1627] reach_error() VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 354 locations, 54 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 10.3s, OverallIterations: 42, TraceHistogramMax: 1, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11672 SDtfs, 7464 SDslu, 14200 SDs, 0 SdLazy, 3059 SolverSat, 445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 209 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 41 MinimizatonAttempts, 739 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1058 NumberOfCodeBlocks, 1058 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 975 ConstructedInterpolants, 0 QuantifiedInterpolants, 68609 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 41 InterpolantComputations, 41 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...