./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.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-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan --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 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2020-12-09 10:18:14,272 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:18:14,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:18:14,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:18:14,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:18:14,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:18:14,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:18:14,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:18:14,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:18:14,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:18:14,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:18:14,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:18:14,304 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:18:14,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:18:14,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:18:14,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:18:14,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:18:14,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:18:14,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:18:14,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:18:14,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:18:14,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:18:14,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:18:14,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:18:14,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:18:14,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:18:14,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:18:14,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:18:14,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:18:14,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:18:14,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:18:14,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:18:14,323 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:18:14,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:18:14,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:18:14,325 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:18:14,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:18:14,326 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:18:14,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:18:14,327 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:18:14,328 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:18:14,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:18:14,345 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:18:14,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:18:14,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:18:14,346 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:18:14,346 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:18:14,346 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:18:14,346 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:18:14,347 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:18:14,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:18:14,347 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:18:14,347 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:18:14,347 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:18:14,347 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:18:14,347 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:18:14,347 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:18:14,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:18:14,348 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:18:14,348 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:18:14,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:18:14,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:18:14,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:18:14,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:18:14,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:18:14,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:18:14,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:18:14,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:18:14,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:18:14,359 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:18:14,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:18:14,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:18:14,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:18:14,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:18:14,360 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-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 [2020-12-09 10:18:14,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:18:14,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:18:14,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:18:14,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:18:14,562 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:18:14,563 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/../../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2020-12-09 10:18:14,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/data/50e7aa600/4ecfaf751c464f779a8b29f5b0c182b1/FLAGedb0b8211 [2020-12-09 10:18:14,999 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:18:15,000 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2020-12-09 10:18:15,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/data/50e7aa600/4ecfaf751c464f779a8b29f5b0c182b1/FLAGedb0b8211 [2020-12-09 10:18:15,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/data/50e7aa600/4ecfaf751c464f779a8b29f5b0c182b1 [2020-12-09 10:18:15,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:18:15,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:18:15,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:18:15,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:18:15,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:18:15,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438c2ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15, skipping insertion in model container [2020-12-09 10:18:15,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:18:15,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:18:15,551 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2020-12-09 10:18:15,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:18:15,650 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:18:15,660 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2020-12-09 10:18:15,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:18:15,717 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:18:15,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15 WrapperNode [2020-12-09 10:18:15,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:18:15,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:18:15,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:18:15,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:18:15,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:18:15,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:18:15,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:18:15,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:18:15,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... [2020-12-09 10:18:15,889 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:18:15,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:18:15,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:18:15,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:18:15,891 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:18:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:18:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 10:18:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:18:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:18:16,168 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,172 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,179 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,183 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,185 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,188 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,191 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,195 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,197 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,198 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,201 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,204 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,204 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,205 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,207 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,209 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,212 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,215 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,216 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,218 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,221 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,222 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,222 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,224 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-09 10:18:16,813 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2020-12-09 10:18:16,813 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2020-12-09 10:18:16,813 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2020-12-09 10:18:16,813 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2020-12-09 10:18:16,814 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2020-12-09 10:18:16,814 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2020-12-09 10:18:16,814 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2020-12-09 10:18:16,814 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2020-12-09 10:18:16,814 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2020-12-09 10:18:16,815 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2020-12-09 10:18:16,815 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2020-12-09 10:18:16,815 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2020-12-09 10:18:16,815 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2020-12-09 10:18:16,815 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2020-12-09 10:18:16,815 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2020-12-09 10:18:16,815 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2020-12-09 10:18:16,816 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2020-12-09 10:18:16,816 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2020-12-09 10:18:16,816 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2020-12-09 10:18:16,816 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2020-12-09 10:18:16,816 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2020-12-09 10:18:16,816 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2020-12-09 10:18:16,817 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-12-09 10:18:16,817 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-12-09 10:18:16,817 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2020-12-09 10:18:16,817 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2020-12-09 10:18:16,817 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2020-12-09 10:18:16,817 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2020-12-09 10:18:16,817 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2020-12-09 10:18:16,818 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2020-12-09 10:18:16,818 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2020-12-09 10:18:16,818 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2020-12-09 10:18:16,818 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2020-12-09 10:18:16,818 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2020-12-09 10:18:16,818 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2020-12-09 10:18:16,818 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2020-12-09 10:18:16,819 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2020-12-09 10:18:16,820 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2020-12-09 10:18:16,820 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2020-12-09 10:18:16,820 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2020-12-09 10:18:16,820 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2020-12-09 10:18:17,529 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:18:17,529 INFO L299 CfgBuilder]: Removed 207 assume(true) statements. [2020-12-09 10:18:17,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:18:17 BoogieIcfgContainer [2020-12-09 10:18:17,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:18:17,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:18:17,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:18:17,535 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:18:17,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:18:15" (1/3) ... [2020-12-09 10:18:17,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a1d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:18:17, skipping insertion in model container [2020-12-09 10:18:17,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:18:15" (2/3) ... [2020-12-09 10:18:17,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47a1d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:18:17, skipping insertion in model container [2020-12-09 10:18:17,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:18:17" (3/3) ... [2020-12-09 10:18:17,537 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2020-12-09 10:18:17,547 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:18:17,550 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 41 error locations. [2020-12-09 10:18:17,558 INFO L253 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2020-12-09 10:18:17,576 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:18:17,576 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:18:17,576 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:18:17,576 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:18:17,576 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:18:17,576 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:18:17,577 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:18:17,577 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:18:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states. [2020-12-09 10:18:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 10:18:17,601 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:17,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:17,602 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:17,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1936126718, now seen corresponding path program 1 times [2020-12-09 10:18:17,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:17,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486897234] [2020-12-09 10:18:17,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:17,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486897234] [2020-12-09 10:18:17,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:17,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:17,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768266928] [2020-12-09 10:18:17,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:17,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:17,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:17,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:17,761 INFO L87 Difference]: Start difference. First operand 258 states. Second operand 3 states. [2020-12-09 10:18:17,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:17,932 INFO L93 Difference]: Finished difference Result 486 states and 724 transitions. [2020-12-09 10:18:17,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:17,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-12-09 10:18:17,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:17,946 INFO L225 Difference]: With dead ends: 486 [2020-12-09 10:18:17,946 INFO L226 Difference]: Without dead ends: 259 [2020-12-09 10:18:17,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:17,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-12-09 10:18:17,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2020-12-09 10:18:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-12-09 10:18:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 343 transitions. [2020-12-09 10:18:17,997 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 343 transitions. Word has length 7 [2020-12-09 10:18:17,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:17,998 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 343 transitions. [2020-12-09 10:18:17,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:17,998 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 343 transitions. [2020-12-09 10:18:17,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 10:18:17,998 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:17,999 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:17,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 10:18:17,999 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:17,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,000 INFO L82 PathProgramCache]: Analyzing trace with hash -836644300, now seen corresponding path program 1 times [2020-12-09 10:18:18,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960341897] [2020-12-09 10:18:18,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960341897] [2020-12-09 10:18:18,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:18,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357784364] [2020-12-09 10:18:18,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,050 INFO L87 Difference]: Start difference. First operand 259 states and 343 transitions. Second operand 3 states. [2020-12-09 10:18:18,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,100 INFO L93 Difference]: Finished difference Result 481 states and 629 transitions. [2020-12-09 10:18:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:18,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-12-09 10:18:18,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,103 INFO L225 Difference]: With dead ends: 481 [2020-12-09 10:18:18,104 INFO L226 Difference]: Without dead ends: 336 [2020-12-09 10:18:18,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-12-09 10:18:18,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 247. [2020-12-09 10:18:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-12-09 10:18:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 326 transitions. [2020-12-09 10:18:18,126 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 326 transitions. Word has length 9 [2020-12-09 10:18:18,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,126 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 326 transitions. [2020-12-09 10:18:18,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:18,126 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 326 transitions. [2020-12-09 10:18:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 10:18:18,127 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,127 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 10:18:18,128 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1804480740, now seen corresponding path program 1 times [2020-12-09 10:18:18,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,129 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793386325] [2020-12-09 10:18:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793386325] [2020-12-09 10:18:18,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 10:18:18,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168952987] [2020-12-09 10:18:18,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,166 INFO L87 Difference]: Start difference. First operand 247 states and 326 transitions. Second operand 3 states. [2020-12-09 10:18:18,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,181 INFO L93 Difference]: Finished difference Result 269 states and 351 transitions. [2020-12-09 10:18:18,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:18,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-12-09 10:18:18,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,183 INFO L225 Difference]: With dead ends: 269 [2020-12-09 10:18:18,183 INFO L226 Difference]: Without dead ends: 247 [2020-12-09 10:18:18,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-12-09 10:18:18,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2020-12-09 10:18:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-12-09 10:18:18,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 325 transitions. [2020-12-09 10:18:18,194 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 325 transitions. Word has length 10 [2020-12-09 10:18:18,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,194 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 325 transitions. [2020-12-09 10:18:18,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:18,194 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 325 transitions. [2020-12-09 10:18:18,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 10:18:18,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-09 10:18:18,196 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1670958434, now seen corresponding path program 1 times [2020-12-09 10:18:18,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41352373] [2020-12-09 10:18:18,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41352373] [2020-12-09 10:18:18,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:18,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886578405] [2020-12-09 10:18:18,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,239 INFO L87 Difference]: Start difference. First operand 247 states and 325 transitions. Second operand 3 states. [2020-12-09 10:18:18,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,261 INFO L93 Difference]: Finished difference Result 307 states and 397 transitions. [2020-12-09 10:18:18,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:18,261 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 10:18:18,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,262 INFO L225 Difference]: With dead ends: 307 [2020-12-09 10:18:18,262 INFO L226 Difference]: Without dead ends: 284 [2020-12-09 10:18:18,263 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-12-09 10:18:18,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 271. [2020-12-09 10:18:18,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-12-09 10:18:18,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 360 transitions. [2020-12-09 10:18:18,273 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 360 transitions. Word has length 13 [2020-12-09 10:18:18,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,273 INFO L481 AbstractCegarLoop]: Abstraction has 271 states and 360 transitions. [2020-12-09 10:18:18,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:18,273 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 360 transitions. [2020-12-09 10:18:18,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 10:18:18,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-09 10:18:18,275 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,275 INFO L82 PathProgramCache]: Analyzing trace with hash -510978020, now seen corresponding path program 1 times [2020-12-09 10:18:18,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723648342] [2020-12-09 10:18:18,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723648342] [2020-12-09 10:18:18,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:18:18,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216037479] [2020-12-09 10:18:18,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:18,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:18,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:18,314 INFO L87 Difference]: Start difference. First operand 271 states and 360 transitions. Second operand 4 states. [2020-12-09 10:18:18,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,340 INFO L93 Difference]: Finished difference Result 337 states and 429 transitions. [2020-12-09 10:18:18,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:18:18,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-12-09 10:18:18,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,341 INFO L225 Difference]: With dead ends: 337 [2020-12-09 10:18:18,341 INFO L226 Difference]: Without dead ends: 301 [2020-12-09 10:18:18,342 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 [2020-12-09 10:18:18,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-12-09 10:18:18,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 258. [2020-12-09 10:18:18,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-12-09 10:18:18,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 339 transitions. [2020-12-09 10:18:18,351 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 339 transitions. Word has length 16 [2020-12-09 10:18:18,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,351 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 339 transitions. [2020-12-09 10:18:18,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:18,351 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 339 transitions. [2020-12-09 10:18:18,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 10:18:18,352 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,352 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-09 10:18:18,353 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,353 INFO L82 PathProgramCache]: Analyzing trace with hash -138451573, now seen corresponding path program 1 times [2020-12-09 10:18:18,353 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,353 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570634047] [2020-12-09 10:18:18,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570634047] [2020-12-09 10:18:18,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:18,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114052974] [2020-12-09 10:18:18,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,380 INFO L87 Difference]: Start difference. First operand 258 states and 339 transitions. Second operand 3 states. [2020-12-09 10:18:18,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,482 INFO L93 Difference]: Finished difference Result 289 states and 377 transitions. [2020-12-09 10:18:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:18,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2020-12-09 10:18:18,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,483 INFO L225 Difference]: With dead ends: 289 [2020-12-09 10:18:18,484 INFO L226 Difference]: Without dead ends: 284 [2020-12-09 10:18:18,484 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-12-09 10:18:18,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 281. [2020-12-09 10:18:18,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-12-09 10:18:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 369 transitions. [2020-12-09 10:18:18,493 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 369 transitions. Word has length 16 [2020-12-09 10:18:18,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,493 INFO L481 AbstractCegarLoop]: Abstraction has 281 states and 369 transitions. [2020-12-09 10:18:18,493 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:18,493 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 369 transitions. [2020-12-09 10:18:18,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 10:18:18,494 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,494 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-09 10:18:18,494 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,495 INFO L82 PathProgramCache]: Analyzing trace with hash -33595688, now seen corresponding path program 1 times [2020-12-09 10:18:18,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774487328] [2020-12-09 10:18:18,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774487328] [2020-12-09 10:18:18,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:18,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658533720] [2020-12-09 10:18:18,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,520 INFO L87 Difference]: Start difference. First operand 281 states and 369 transitions. Second operand 3 states. [2020-12-09 10:18:18,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,623 INFO L93 Difference]: Finished difference Result 281 states and 369 transitions. [2020-12-09 10:18:18,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:18,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 10:18:18,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,625 INFO L225 Difference]: With dead ends: 281 [2020-12-09 10:18:18,625 INFO L226 Difference]: Without dead ends: 269 [2020-12-09 10:18:18,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2020-12-09 10:18:18,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2020-12-09 10:18:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-12-09 10:18:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 357 transitions. [2020-12-09 10:18:18,636 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 357 transitions. Word has length 17 [2020-12-09 10:18:18,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,636 INFO L481 AbstractCegarLoop]: Abstraction has 269 states and 357 transitions. [2020-12-09 10:18:18,636 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:18,636 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 357 transitions. [2020-12-09 10:18:18,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 10:18:18,637 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,637 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-09 10:18:18,637 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,638 INFO L82 PathProgramCache]: Analyzing trace with hash -160519256, now seen corresponding path program 1 times [2020-12-09 10:18:18,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730390686] [2020-12-09 10:18:18,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,671 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730390686] [2020-12-09 10:18:18,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:18,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312373841] [2020-12-09 10:18:18,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,673 INFO L87 Difference]: Start difference. First operand 269 states and 357 transitions. Second operand 3 states. [2020-12-09 10:18:18,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,772 INFO L93 Difference]: Finished difference Result 369 states and 490 transitions. [2020-12-09 10:18:18,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:18,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-09 10:18:18,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,774 INFO L225 Difference]: With dead ends: 369 [2020-12-09 10:18:18,774 INFO L226 Difference]: Without dead ends: 266 [2020-12-09 10:18:18,775 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-12-09 10:18:18,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-12-09 10:18:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-12-09 10:18:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 353 transitions. [2020-12-09 10:18:18,784 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 353 transitions. Word has length 17 [2020-12-09 10:18:18,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,784 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 353 transitions. [2020-12-09 10:18:18,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 353 transitions. [2020-12-09 10:18:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 10:18:18,784 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,785 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-09 10:18:18,785 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,785 INFO L82 PathProgramCache]: Analyzing trace with hash 20547738, now seen corresponding path program 1 times [2020-12-09 10:18:18,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738634318] [2020-12-09 10:18:18,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738634318] [2020-12-09 10:18:18,809 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,809 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:18:18,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413487807] [2020-12-09 10:18:18,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:18,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:18,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:18,810 INFO L87 Difference]: Start difference. First operand 266 states and 353 transitions. Second operand 4 states. [2020-12-09 10:18:18,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,840 INFO L93 Difference]: Finished difference Result 279 states and 367 transitions. [2020-12-09 10:18:18,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:18,840 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2020-12-09 10:18:18,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,841 INFO L225 Difference]: With dead ends: 279 [2020-12-09 10:18:18,841 INFO L226 Difference]: Without dead ends: 264 [2020-12-09 10:18:18,842 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 [2020-12-09 10:18:18,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-12-09 10:18:18,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2020-12-09 10:18:18,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-12-09 10:18:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 350 transitions. [2020-12-09 10:18:18,850 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 350 transitions. Word has length 17 [2020-12-09 10:18:18,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,850 INFO L481 AbstractCegarLoop]: Abstraction has 264 states and 350 transitions. [2020-12-09 10:18:18,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:18,851 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 350 transitions. [2020-12-09 10:18:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 10:18:18,851 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-09 10:18:18,851 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,852 INFO L82 PathProgramCache]: Analyzing trace with hash 212202409, now seen corresponding path program 1 times [2020-12-09 10:18:18,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158828581] [2020-12-09 10:18:18,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158828581] [2020-12-09 10:18:18,873 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,873 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:18,873 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675701804] [2020-12-09 10:18:18,874 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,874 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,874 INFO L87 Difference]: Start difference. First operand 264 states and 350 transitions. Second operand 3 states. [2020-12-09 10:18:18,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:18,898 INFO L93 Difference]: Finished difference Result 357 states and 464 transitions. [2020-12-09 10:18:18,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:18,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-09 10:18:18,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:18,899 INFO L225 Difference]: With dead ends: 357 [2020-12-09 10:18:18,899 INFO L226 Difference]: Without dead ends: 262 [2020-12-09 10:18:18,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2020-12-09 10:18:18,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 248. [2020-12-09 10:18:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-12-09 10:18:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 323 transitions. [2020-12-09 10:18:18,908 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 323 transitions. Word has length 18 [2020-12-09 10:18:18,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:18,908 INFO L481 AbstractCegarLoop]: Abstraction has 248 states and 323 transitions. [2020-12-09 10:18:18,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:18,908 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 323 transitions. [2020-12-09 10:18:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 10:18:18,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:18,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 10:18:18,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-09 10:18:18,909 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:18,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:18,910 INFO L82 PathProgramCache]: Analyzing trace with hash -833113805, now seen corresponding path program 1 times [2020-12-09 10:18:18,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:18,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744407570] [2020-12-09 10:18:18,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:18,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744407570] [2020-12-09 10:18:18,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:18,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:18,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740371711] [2020-12-09 10:18:18,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:18,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:18,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:18,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:18,930 INFO L87 Difference]: Start difference. First operand 248 states and 323 transitions. Second operand 3 states. [2020-12-09 10:18:19,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,042 INFO L93 Difference]: Finished difference Result 322 states and 414 transitions. [2020-12-09 10:18:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:19,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-09 10:18:19,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,044 INFO L225 Difference]: With dead ends: 322 [2020-12-09 10:18:19,044 INFO L226 Difference]: Without dead ends: 314 [2020-12-09 10:18:19,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:19,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2020-12-09 10:18:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 256. [2020-12-09 10:18:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-12-09 10:18:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 335 transitions. [2020-12-09 10:18:19,054 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 335 transitions. Word has length 19 [2020-12-09 10:18:19,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:19,054 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 335 transitions. [2020-12-09 10:18:19,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 335 transitions. [2020-12-09 10:18:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 10:18:19,055 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:19,055 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] [2020-12-09 10:18:19,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-09 10:18:19,055 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:19,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:19,055 INFO L82 PathProgramCache]: Analyzing trace with hash -64382681, now seen corresponding path program 1 times [2020-12-09 10:18:19,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:19,056 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827602547] [2020-12-09 10:18:19,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:19,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:19,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827602547] [2020-12-09 10:18:19,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:19,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:19,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584298205] [2020-12-09 10:18:19,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:19,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:19,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:19,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:19,084 INFO L87 Difference]: Start difference. First operand 256 states and 335 transitions. Second operand 4 states. [2020-12-09 10:18:19,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,244 INFO L93 Difference]: Finished difference Result 291 states and 376 transitions. [2020-12-09 10:18:19,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:19,245 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2020-12-09 10:18:19,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,246 INFO L225 Difference]: With dead ends: 291 [2020-12-09 10:18:19,247 INFO L226 Difference]: Without dead ends: 251 [2020-12-09 10:18:19,247 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 [2020-12-09 10:18:19,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-12-09 10:18:19,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2020-12-09 10:18:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-12-09 10:18:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 327 transitions. [2020-12-09 10:18:19,261 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 327 transitions. Word has length 20 [2020-12-09 10:18:19,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:19,261 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 327 transitions. [2020-12-09 10:18:19,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:19,262 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 327 transitions. [2020-12-09 10:18:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-09 10:18:19,262 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:19,262 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] [2020-12-09 10:18:19,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-09 10:18:19,263 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:19,263 INFO L82 PathProgramCache]: Analyzing trace with hash -515074591, now seen corresponding path program 1 times [2020-12-09 10:18:19,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:19,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669740123] [2020-12-09 10:18:19,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:19,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669740123] [2020-12-09 10:18:19,289 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:19,289 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:19,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948324790] [2020-12-09 10:18:19,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:19,290 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:19,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:19,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:19,290 INFO L87 Difference]: Start difference. First operand 251 states and 327 transitions. Second operand 3 states. [2020-12-09 10:18:19,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,313 INFO L93 Difference]: Finished difference Result 368 states and 473 transitions. [2020-12-09 10:18:19,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:19,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-09 10:18:19,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,314 INFO L225 Difference]: With dead ends: 368 [2020-12-09 10:18:19,314 INFO L226 Difference]: Without dead ends: 274 [2020-12-09 10:18:19,315 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:19,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-12-09 10:18:19,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 239. [2020-12-09 10:18:19,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-12-09 10:18:19,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 309 transitions. [2020-12-09 10:18:19,324 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 309 transitions. Word has length 20 [2020-12-09 10:18:19,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:19,324 INFO L481 AbstractCegarLoop]: Abstraction has 239 states and 309 transitions. [2020-12-09 10:18:19,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:19,324 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 309 transitions. [2020-12-09 10:18:19,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 10:18:19,324 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:19,325 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] [2020-12-09 10:18:19,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-09 10:18:19,325 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:19,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:19,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1138589617, now seen corresponding path program 1 times [2020-12-09 10:18:19,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:19,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824849185] [2020-12-09 10:18:19,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:19,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:19,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824849185] [2020-12-09 10:18:19,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:19,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:19,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507787994] [2020-12-09 10:18:19,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:19,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:19,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:19,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:19,414 INFO L87 Difference]: Start difference. First operand 239 states and 309 transitions. Second operand 3 states. [2020-12-09 10:18:19,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,443 INFO L93 Difference]: Finished difference Result 339 states and 435 transitions. [2020-12-09 10:18:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:19,444 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-12-09 10:18:19,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,445 INFO L225 Difference]: With dead ends: 339 [2020-12-09 10:18:19,445 INFO L226 Difference]: Without dead ends: 241 [2020-12-09 10:18:19,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:19,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-12-09 10:18:19,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 227. [2020-12-09 10:18:19,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-12-09 10:18:19,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 291 transitions. [2020-12-09 10:18:19,455 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 291 transitions. Word has length 21 [2020-12-09 10:18:19,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:19,455 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 291 transitions. [2020-12-09 10:18:19,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 291 transitions. [2020-12-09 10:18:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 10:18:19,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:19,456 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] [2020-12-09 10:18:19,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-09 10:18:19,456 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:19,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:19,456 INFO L82 PathProgramCache]: Analyzing trace with hash 831490174, now seen corresponding path program 1 times [2020-12-09 10:18:19,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:19,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927074016] [2020-12-09 10:18:19,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:19,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927074016] [2020-12-09 10:18:19,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:19,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:19,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313184282] [2020-12-09 10:18:19,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:19,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:19,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:19,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:19,491 INFO L87 Difference]: Start difference. First operand 227 states and 291 transitions. Second operand 4 states. [2020-12-09 10:18:19,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,604 INFO L93 Difference]: Finished difference Result 313 states and 400 transitions. [2020-12-09 10:18:19,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:19,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 22 [2020-12-09 10:18:19,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,606 INFO L225 Difference]: With dead ends: 313 [2020-12-09 10:18:19,606 INFO L226 Difference]: Without dead ends: 227 [2020-12-09 10:18:19,606 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 [2020-12-09 10:18:19,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-12-09 10:18:19,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2020-12-09 10:18:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-12-09 10:18:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 288 transitions. [2020-12-09 10:18:19,616 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 288 transitions. Word has length 22 [2020-12-09 10:18:19,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:19,616 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 288 transitions. [2020-12-09 10:18:19,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 288 transitions. [2020-12-09 10:18:19,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-09 10:18:19,617 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:19,617 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] [2020-12-09 10:18:19,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-09 10:18:19,617 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:19,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:19,617 INFO L82 PathProgramCache]: Analyzing trace with hash -35960851, now seen corresponding path program 1 times [2020-12-09 10:18:19,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:19,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583627881] [2020-12-09 10:18:19,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:19,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583627881] [2020-12-09 10:18:19,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:19,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:18:19,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416416071] [2020-12-09 10:18:19,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:18:19,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:19,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:18:19,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:18:19,668 INFO L87 Difference]: Start difference. First operand 227 states and 288 transitions. Second operand 5 states. [2020-12-09 10:18:19,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,873 INFO L93 Difference]: Finished difference Result 303 states and 382 transitions. [2020-12-09 10:18:19,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 10:18:19,873 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-09 10:18:19,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,874 INFO L225 Difference]: With dead ends: 303 [2020-12-09 10:18:19,875 INFO L226 Difference]: Without dead ends: 299 [2020-12-09 10:18:19,875 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 [2020-12-09 10:18:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-12-09 10:18:19,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 227. [2020-12-09 10:18:19,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-12-09 10:18:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 288 transitions. [2020-12-09 10:18:19,886 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 288 transitions. Word has length 23 [2020-12-09 10:18:19,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:19,886 INFO L481 AbstractCegarLoop]: Abstraction has 227 states and 288 transitions. [2020-12-09 10:18:19,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:18:19,886 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 288 transitions. [2020-12-09 10:18:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-09 10:18:19,887 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:19,887 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] [2020-12-09 10:18:19,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-09 10:18:19,887 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:19,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:19,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1498958496, now seen corresponding path program 1 times [2020-12-09 10:18:19,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:19,888 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580117212] [2020-12-09 10:18:19,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:19,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:19,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580117212] [2020-12-09 10:18:19,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:19,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:18:19,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408545698] [2020-12-09 10:18:19,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:18:19,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:19,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:18:19,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:18:19,914 INFO L87 Difference]: Start difference. First operand 227 states and 288 transitions. Second operand 5 states. [2020-12-09 10:18:19,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:19,964 INFO L93 Difference]: Finished difference Result 245 states and 307 transitions. [2020-12-09 10:18:19,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:18:19,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2020-12-09 10:18:19,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:19,965 INFO L225 Difference]: With dead ends: 245 [2020-12-09 10:18:19,966 INFO L226 Difference]: Without dead ends: 228 [2020-12-09 10:18:19,966 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 [2020-12-09 10:18:19,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-12-09 10:18:19,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2020-12-09 10:18:19,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-12-09 10:18:19,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 283 transitions. [2020-12-09 10:18:19,976 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 283 transitions. Word has length 24 [2020-12-09 10:18:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:19,976 INFO L481 AbstractCegarLoop]: Abstraction has 225 states and 283 transitions. [2020-12-09 10:18:19,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:18:19,977 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 283 transitions. [2020-12-09 10:18:19,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-09 10:18:19,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:19,977 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] [2020-12-09 10:18:19,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-09 10:18:19,977 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:19,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:19,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1363702300, now seen corresponding path program 1 times [2020-12-09 10:18:19,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:19,978 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228284474] [2020-12-09 10:18:19,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:19,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228284474] [2020-12-09 10:18:19,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:19,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:19,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457915783] [2020-12-09 10:18:19,996 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:19,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:19,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:19,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:19,997 INFO L87 Difference]: Start difference. First operand 225 states and 283 transitions. Second operand 3 states. [2020-12-09 10:18:20,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:20,079 INFO L93 Difference]: Finished difference Result 277 states and 340 transitions. [2020-12-09 10:18:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:20,079 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-09 10:18:20,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:20,080 INFO L225 Difference]: With dead ends: 277 [2020-12-09 10:18:20,080 INFO L226 Difference]: Without dead ends: 264 [2020-12-09 10:18:20,081 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:20,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-12-09 10:18:20,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 249. [2020-12-09 10:18:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-12-09 10:18:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2020-12-09 10:18:20,092 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 24 [2020-12-09 10:18:20,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:20,093 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2020-12-09 10:18:20,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2020-12-09 10:18:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 10:18:20,093 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:20,093 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] [2020-12-09 10:18:20,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-09 10:18:20,093 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:20,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:20,094 INFO L82 PathProgramCache]: Analyzing trace with hash 692492781, now seen corresponding path program 1 times [2020-12-09 10:18:20,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:20,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124516734] [2020-12-09 10:18:20,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:20,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:20,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124516734] [2020-12-09 10:18:20,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:20,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:20,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450883864] [2020-12-09 10:18:20,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:20,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:20,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:20,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:20,119 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand 4 states. [2020-12-09 10:18:20,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:20,278 INFO L93 Difference]: Finished difference Result 276 states and 336 transitions. [2020-12-09 10:18:20,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:20,279 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-12-09 10:18:20,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:20,280 INFO L225 Difference]: With dead ends: 276 [2020-12-09 10:18:20,280 INFO L226 Difference]: Without dead ends: 264 [2020-12-09 10:18:20,281 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 [2020-12-09 10:18:20,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-12-09 10:18:20,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 249. [2020-12-09 10:18:20,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-12-09 10:18:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 309 transitions. [2020-12-09 10:18:20,304 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 309 transitions. Word has length 25 [2020-12-09 10:18:20,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:20,304 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 309 transitions. [2020-12-09 10:18:20,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:20,304 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 309 transitions. [2020-12-09 10:18:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 10:18:20,305 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:20,305 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] [2020-12-09 10:18:20,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-09 10:18:20,306 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:20,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:20,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1063996963, now seen corresponding path program 1 times [2020-12-09 10:18:20,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:20,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704026880] [2020-12-09 10:18:20,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:20,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:20,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704026880] [2020-12-09 10:18:20,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:20,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:20,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858270967] [2020-12-09 10:18:20,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:20,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:20,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:20,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:20,339 INFO L87 Difference]: Start difference. First operand 249 states and 309 transitions. Second operand 4 states. [2020-12-09 10:18:20,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:20,468 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2020-12-09 10:18:20,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:20,468 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2020-12-09 10:18:20,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:20,470 INFO L225 Difference]: With dead ends: 292 [2020-12-09 10:18:20,470 INFO L226 Difference]: Without dead ends: 249 [2020-12-09 10:18:20,470 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 [2020-12-09 10:18:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-12-09 10:18:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2020-12-09 10:18:20,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-12-09 10:18:20,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 303 transitions. [2020-12-09 10:18:20,489 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 303 transitions. Word has length 25 [2020-12-09 10:18:20,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:20,489 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 303 transitions. [2020-12-09 10:18:20,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:20,489 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 303 transitions. [2020-12-09 10:18:20,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-09 10:18:20,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:20,490 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] [2020-12-09 10:18:20,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-09 10:18:20,490 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:20,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:20,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1911952091, now seen corresponding path program 1 times [2020-12-09 10:18:20,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:20,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222928744] [2020-12-09 10:18:20,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:20,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222928744] [2020-12-09 10:18:20,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:20,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:18:20,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849069678] [2020-12-09 10:18:20,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:18:20,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:20,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:18:20,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:18:20,529 INFO L87 Difference]: Start difference. First operand 249 states and 303 transitions. Second operand 5 states. [2020-12-09 10:18:20,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:20,699 INFO L93 Difference]: Finished difference Result 269 states and 329 transitions. [2020-12-09 10:18:20,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:18:20,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-09 10:18:20,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:20,701 INFO L225 Difference]: With dead ends: 269 [2020-12-09 10:18:20,701 INFO L226 Difference]: Without dead ends: 267 [2020-12-09 10:18:20,701 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 [2020-12-09 10:18:20,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-12-09 10:18:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 249. [2020-12-09 10:18:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-12-09 10:18:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 303 transitions. [2020-12-09 10:18:20,714 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 303 transitions. Word has length 25 [2020-12-09 10:18:20,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:20,714 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 303 transitions. [2020-12-09 10:18:20,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:18:20,714 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 303 transitions. [2020-12-09 10:18:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 10:18:20,714 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:20,715 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] [2020-12-09 10:18:20,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-09 10:18:20,715 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:20,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:20,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1004425071, now seen corresponding path program 1 times [2020-12-09 10:18:20,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:20,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009901478] [2020-12-09 10:18:20,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:20,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009901478] [2020-12-09 10:18:20,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:20,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:20,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865918782] [2020-12-09 10:18:20,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:20,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:20,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:20,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:20,733 INFO L87 Difference]: Start difference. First operand 249 states and 303 transitions. Second operand 3 states. [2020-12-09 10:18:20,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:20,755 INFO L93 Difference]: Finished difference Result 287 states and 347 transitions. [2020-12-09 10:18:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:20,755 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-09 10:18:20,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:20,756 INFO L225 Difference]: With dead ends: 287 [2020-12-09 10:18:20,756 INFO L226 Difference]: Without dead ends: 251 [2020-12-09 10:18:20,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-12-09 10:18:20,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 247. [2020-12-09 10:18:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-12-09 10:18:20,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 293 transitions. [2020-12-09 10:18:20,769 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 293 transitions. Word has length 26 [2020-12-09 10:18:20,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:20,769 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 293 transitions. [2020-12-09 10:18:20,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:20,769 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 293 transitions. [2020-12-09 10:18:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 10:18:20,770 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:20,770 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] [2020-12-09 10:18:20,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-09 10:18:20,770 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:20,770 INFO L82 PathProgramCache]: Analyzing trace with hash -540880161, now seen corresponding path program 1 times [2020-12-09 10:18:20,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:20,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372920231] [2020-12-09 10:18:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:20,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372920231] [2020-12-09 10:18:20,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:20,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:20,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97038898] [2020-12-09 10:18:20,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:20,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:20,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:20,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:20,792 INFO L87 Difference]: Start difference. First operand 247 states and 293 transitions. Second operand 4 states. [2020-12-09 10:18:20,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:20,885 INFO L93 Difference]: Finished difference Result 259 states and 303 transitions. [2020-12-09 10:18:20,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:20,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2020-12-09 10:18:20,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:20,887 INFO L225 Difference]: With dead ends: 259 [2020-12-09 10:18:20,887 INFO L226 Difference]: Without dead ends: 223 [2020-12-09 10:18:20,887 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 [2020-12-09 10:18:20,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-12-09 10:18:20,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-12-09 10:18:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-09 10:18:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 263 transitions. [2020-12-09 10:18:20,899 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 263 transitions. Word has length 26 [2020-12-09 10:18:20,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:20,899 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 263 transitions. [2020-12-09 10:18:20,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 263 transitions. [2020-12-09 10:18:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 10:18:20,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:20,899 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] [2020-12-09 10:18:20,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-09 10:18:20,900 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:20,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:20,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1306376663, now seen corresponding path program 1 times [2020-12-09 10:18:20,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:20,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126128739] [2020-12-09 10:18:20,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:20,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:20,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126128739] [2020-12-09 10:18:20,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:20,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:20,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934761335] [2020-12-09 10:18:20,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:20,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:20,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:20,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:20,917 INFO L87 Difference]: Start difference. First operand 223 states and 263 transitions. Second operand 3 states. [2020-12-09 10:18:20,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:20,990 INFO L93 Difference]: Finished difference Result 246 states and 282 transitions. [2020-12-09 10:18:20,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:20,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-09 10:18:20,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:20,991 INFO L225 Difference]: With dead ends: 246 [2020-12-09 10:18:20,991 INFO L226 Difference]: Without dead ends: 226 [2020-12-09 10:18:20,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:20,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-12-09 10:18:21,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 217. [2020-12-09 10:18:21,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-12-09 10:18:21,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 252 transitions. [2020-12-09 10:18:21,003 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 252 transitions. Word has length 26 [2020-12-09 10:18:21,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,003 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 252 transitions. [2020-12-09 10:18:21,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 252 transitions. [2020-12-09 10:18:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-09 10:18:21,004 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,004 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] [2020-12-09 10:18:21,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-09 10:18:21,004 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1825379768, now seen corresponding path program 1 times [2020-12-09 10:18:21,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620844862] [2020-12-09 10:18:21,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620844862] [2020-12-09 10:18:21,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:18:21,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36692734] [2020-12-09 10:18:21,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:18:21,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:18:21,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:18:21,040 INFO L87 Difference]: Start difference. First operand 217 states and 252 transitions. Second operand 5 states. [2020-12-09 10:18:21,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,139 INFO L93 Difference]: Finished difference Result 235 states and 268 transitions. [2020-12-09 10:18:21,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 10:18:21,140 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-09 10:18:21,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,141 INFO L225 Difference]: With dead ends: 235 [2020-12-09 10:18:21,141 INFO L226 Difference]: Without dead ends: 232 [2020-12-09 10:18:21,141 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 [2020-12-09 10:18:21,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-12-09 10:18:21,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 223. [2020-12-09 10:18:21,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-12-09 10:18:21,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 258 transitions. [2020-12-09 10:18:21,153 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 258 transitions. Word has length 27 [2020-12-09 10:18:21,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,153 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 258 transitions. [2020-12-09 10:18:21,154 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:18:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 258 transitions. [2020-12-09 10:18:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-09 10:18:21,154 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,154 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] [2020-12-09 10:18:21,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-09 10:18:21,154 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1825391684, now seen corresponding path program 1 times [2020-12-09 10:18:21,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494818884] [2020-12-09 10:18:21,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494818884] [2020-12-09 10:18:21,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:21,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870934228] [2020-12-09 10:18:21,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:21,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:21,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:21,177 INFO L87 Difference]: Start difference. First operand 223 states and 258 transitions. Second operand 4 states. [2020-12-09 10:18:21,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,267 INFO L93 Difference]: Finished difference Result 232 states and 265 transitions. [2020-12-09 10:18:21,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:21,267 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-12-09 10:18:21,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,268 INFO L225 Difference]: With dead ends: 232 [2020-12-09 10:18:21,268 INFO L226 Difference]: Without dead ends: 213 [2020-12-09 10:18:21,269 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 [2020-12-09 10:18:21,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-12-09 10:18:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 209. [2020-12-09 10:18:21,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-12-09 10:18:21,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 241 transitions. [2020-12-09 10:18:21,281 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 241 transitions. Word has length 27 [2020-12-09 10:18:21,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,281 INFO L481 AbstractCegarLoop]: Abstraction has 209 states and 241 transitions. [2020-12-09 10:18:21,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:21,281 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 241 transitions. [2020-12-09 10:18:21,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-09 10:18:21,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,282 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] [2020-12-09 10:18:21,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-09 10:18:21,282 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,283 INFO L82 PathProgramCache]: Analyzing trace with hash 101869639, now seen corresponding path program 1 times [2020-12-09 10:18:21,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134228911] [2020-12-09 10:18:21,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134228911] [2020-12-09 10:18:21,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:18:21,312 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057511861] [2020-12-09 10:18:21,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:21,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:21,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:21,313 INFO L87 Difference]: Start difference. First operand 209 states and 241 transitions. Second operand 4 states. [2020-12-09 10:18:21,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,406 INFO L93 Difference]: Finished difference Result 241 states and 284 transitions. [2020-12-09 10:18:21,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:21,407 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-12-09 10:18:21,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,408 INFO L225 Difference]: With dead ends: 241 [2020-12-09 10:18:21,408 INFO L226 Difference]: Without dead ends: 235 [2020-12-09 10:18:21,408 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 [2020-12-09 10:18:21,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-12-09 10:18:21,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 195. [2020-12-09 10:18:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-12-09 10:18:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 226 transitions. [2020-12-09 10:18:21,420 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 226 transitions. Word has length 27 [2020-12-09 10:18:21,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,420 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 226 transitions. [2020-12-09 10:18:21,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:21,420 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 226 transitions. [2020-12-09 10:18:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-09 10:18:21,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,421 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] [2020-12-09 10:18:21,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-09 10:18:21,421 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1364630285, now seen corresponding path program 1 times [2020-12-09 10:18:21,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637069971] [2020-12-09 10:18:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637069971] [2020-12-09 10:18:21,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:21,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403756104] [2020-12-09 10:18:21,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:21,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:21,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:21,450 INFO L87 Difference]: Start difference. First operand 195 states and 226 transitions. Second operand 4 states. [2020-12-09 10:18:21,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,545 INFO L93 Difference]: Finished difference Result 203 states and 232 transitions. [2020-12-09 10:18:21,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:21,545 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-12-09 10:18:21,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,547 INFO L225 Difference]: With dead ends: 203 [2020-12-09 10:18:21,547 INFO L226 Difference]: Without dead ends: 199 [2020-12-09 10:18:21,547 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 [2020-12-09 10:18:21,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-12-09 10:18:21,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 195. [2020-12-09 10:18:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-12-09 10:18:21,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 225 transitions. [2020-12-09 10:18:21,563 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 225 transitions. Word has length 28 [2020-12-09 10:18:21,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,563 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 225 transitions. [2020-12-09 10:18:21,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:21,563 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 225 transitions. [2020-12-09 10:18:21,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-09 10:18:21,564 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,564 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] [2020-12-09 10:18:21,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-09 10:18:21,564 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,564 INFO L82 PathProgramCache]: Analyzing trace with hash -662967477, now seen corresponding path program 1 times [2020-12-09 10:18:21,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,565 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515365761] [2020-12-09 10:18:21,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515365761] [2020-12-09 10:18:21,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:21,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368677645] [2020-12-09 10:18:21,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:21,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:21,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:21,587 INFO L87 Difference]: Start difference. First operand 195 states and 225 transitions. Second operand 4 states. [2020-12-09 10:18:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,668 INFO L93 Difference]: Finished difference Result 208 states and 235 transitions. [2020-12-09 10:18:21,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:21,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-12-09 10:18:21,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,669 INFO L225 Difference]: With dead ends: 208 [2020-12-09 10:18:21,669 INFO L226 Difference]: Without dead ends: 199 [2020-12-09 10:18:21,669 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 [2020-12-09 10:18:21,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-12-09 10:18:21,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 195. [2020-12-09 10:18:21,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-12-09 10:18:21,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 223 transitions. [2020-12-09 10:18:21,682 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 223 transitions. Word has length 29 [2020-12-09 10:18:21,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,682 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 223 transitions. [2020-12-09 10:18:21,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:21,682 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 223 transitions. [2020-12-09 10:18:21,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-09 10:18:21,682 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,683 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] [2020-12-09 10:18:21,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-09 10:18:21,683 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,683 INFO L82 PathProgramCache]: Analyzing trace with hash 911463094, now seen corresponding path program 1 times [2020-12-09 10:18:21,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097609001] [2020-12-09 10:18:21,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097609001] [2020-12-09 10:18:21,703 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,704 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 10:18:21,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23231166] [2020-12-09 10:18:21,704 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 10:18:21,704 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 10:18:21,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 10:18:21,704 INFO L87 Difference]: Start difference. First operand 195 states and 223 transitions. Second operand 4 states. [2020-12-09 10:18:21,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,725 INFO L93 Difference]: Finished difference Result 199 states and 226 transitions. [2020-12-09 10:18:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 10:18:21,725 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2020-12-09 10:18:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,726 INFO L225 Difference]: With dead ends: 199 [2020-12-09 10:18:21,726 INFO L226 Difference]: Without dead ends: 183 [2020-12-09 10:18:21,726 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 [2020-12-09 10:18:21,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-12-09 10:18:21,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2020-12-09 10:18:21,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-12-09 10:18:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 210 transitions. [2020-12-09 10:18:21,738 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 210 transitions. Word has length 30 [2020-12-09 10:18:21,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,739 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 210 transitions. [2020-12-09 10:18:21,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 10:18:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 210 transitions. [2020-12-09 10:18:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-09 10:18:21,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,739 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] [2020-12-09 10:18:21,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-09 10:18:21,739 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1598675559, now seen corresponding path program 1 times [2020-12-09 10:18:21,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169784079] [2020-12-09 10:18:21,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169784079] [2020-12-09 10:18:21,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 10:18:21,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637380936] [2020-12-09 10:18:21,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:18:21,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:18:21,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:18:21,779 INFO L87 Difference]: Start difference. First operand 183 states and 210 transitions. Second operand 6 states. [2020-12-09 10:18:21,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:21,917 INFO L93 Difference]: Finished difference Result 199 states and 225 transitions. [2020-12-09 10:18:21,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 10:18:21,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2020-12-09 10:18:21,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:21,918 INFO L225 Difference]: With dead ends: 199 [2020-12-09 10:18:21,919 INFO L226 Difference]: Without dead ends: 153 [2020-12-09 10:18:21,919 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 [2020-12-09 10:18:21,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-12-09 10:18:21,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 137. [2020-12-09 10:18:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-12-09 10:18:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2020-12-09 10:18:21,937 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 30 [2020-12-09 10:18:21,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:21,937 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2020-12-09 10:18:21,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:18:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2020-12-09 10:18:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-09 10:18:21,938 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:21,938 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] [2020-12-09 10:18:21,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-09 10:18:21,939 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:21,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:21,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1557748195, now seen corresponding path program 1 times [2020-12-09 10:18:21,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:21,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253677921] [2020-12-09 10:18:21,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:21,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:21,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253677921] [2020-12-09 10:18:21,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:21,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 10:18:21,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337378697] [2020-12-09 10:18:21,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 10:18:21,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:21,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 10:18:21,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 10:18:21,988 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand 5 states. [2020-12-09 10:18:22,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:22,089 INFO L93 Difference]: Finished difference Result 170 states and 205 transitions. [2020-12-09 10:18:22,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 10:18:22,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-09 10:18:22,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:22,090 INFO L225 Difference]: With dead ends: 170 [2020-12-09 10:18:22,090 INFO L226 Difference]: Without dead ends: 168 [2020-12-09 10:18:22,090 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 [2020-12-09 10:18:22,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-12-09 10:18:22,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 123. [2020-12-09 10:18:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-09 10:18:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2020-12-09 10:18:22,099 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 33 [2020-12-09 10:18:22,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:22,100 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2020-12-09 10:18:22,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 10:18:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2020-12-09 10:18:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-09 10:18:22,100 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:22,100 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] [2020-12-09 10:18:22,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-09 10:18:22,101 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:22,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:22,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1796632519, now seen corresponding path program 1 times [2020-12-09 10:18:22,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:22,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602765114] [2020-12-09 10:18:22,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:22,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602765114] [2020-12-09 10:18:22,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:22,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 10:18:22,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050660046] [2020-12-09 10:18:22,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:18:22,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:22,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:18:22,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:18:22,141 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 6 states. [2020-12-09 10:18:22,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:22,214 INFO L93 Difference]: Finished difference Result 139 states and 157 transitions. [2020-12-09 10:18:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 10:18:22,215 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-09 10:18:22,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:22,215 INFO L225 Difference]: With dead ends: 139 [2020-12-09 10:18:22,216 INFO L226 Difference]: Without dead ends: 123 [2020-12-09 10:18:22,216 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 10:18:22,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-12-09 10:18:22,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-12-09 10:18:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-12-09 10:18:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 141 transitions. [2020-12-09 10:18:22,229 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 141 transitions. Word has length 37 [2020-12-09 10:18:22,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:22,229 INFO L481 AbstractCegarLoop]: Abstraction has 123 states and 141 transitions. [2020-12-09 10:18:22,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:18:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 141 transitions. [2020-12-09 10:18:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-09 10:18:22,230 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:22,230 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] [2020-12-09 10:18:22,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-12-09 10:18:22,231 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:22,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:22,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2061384572, now seen corresponding path program 1 times [2020-12-09 10:18:22,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:22,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247468102] [2020-12-09 10:18:22,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:22,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247468102] [2020-12-09 10:18:22,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:22,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 10:18:22,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467487444] [2020-12-09 10:18:22,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:18:22,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:22,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:18:22,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:18:22,277 INFO L87 Difference]: Start difference. First operand 123 states and 141 transitions. Second operand 6 states. [2020-12-09 10:18:22,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:22,351 INFO L93 Difference]: Finished difference Result 143 states and 161 transitions. [2020-12-09 10:18:22,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 10:18:22,352 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 37 [2020-12-09 10:18:22,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:22,352 INFO L225 Difference]: With dead ends: 143 [2020-12-09 10:18:22,352 INFO L226 Difference]: Without dead ends: 125 [2020-12-09 10:18:22,353 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 [2020-12-09 10:18:22,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-09 10:18:22,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-09 10:18:22,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-09 10:18:22,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2020-12-09 10:18:22,369 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 37 [2020-12-09 10:18:22,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:22,369 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2020-12-09 10:18:22,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:18:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2020-12-09 10:18:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-09 10:18:22,369 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:22,369 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] [2020-12-09 10:18:22,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-12-09 10:18:22,370 INFO L429 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:22,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:22,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1982678752, now seen corresponding path program 1 times [2020-12-09 10:18:22,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:22,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144129329] [2020-12-09 10:18:22,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:18:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:18:22,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144129329] [2020-12-09 10:18:22,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:18:22,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 10:18:22,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809040053] [2020-12-09 10:18:22,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 10:18:22,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:18:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 10:18:22,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:22,389 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 3 states. [2020-12-09 10:18:22,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:18:22,419 INFO L93 Difference]: Finished difference Result 225 states and 251 transitions. [2020-12-09 10:18:22,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 10:18:22,420 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2020-12-09 10:18:22,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:18:22,421 INFO L225 Difference]: With dead ends: 225 [2020-12-09 10:18:22,421 INFO L226 Difference]: Without dead ends: 155 [2020-12-09 10:18:22,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 10:18:22,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-12-09 10:18:22,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 125. [2020-12-09 10:18:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-09 10:18:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 139 transitions. [2020-12-09 10:18:22,435 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 139 transitions. Word has length 38 [2020-12-09 10:18:22,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:18:22,436 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 139 transitions. [2020-12-09 10:18:22,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 10:18:22,436 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 139 transitions. [2020-12-09 10:18:22,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-09 10:18:22,436 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:18:22,436 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] [2020-12-09 10:18:22,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-12-09 10:18:22,436 INFO L429 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:18:22,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:18:22,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1385931714, now seen corresponding path program 1 times [2020-12-09 10:18:22,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:18:22,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645165625] [2020-12-09 10:18:22,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:18:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:18:22,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:18:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 10:18:22,467 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 10:18:22,500 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 10:18:22,501 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 10:18:22,501 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-12-09 10:18:22,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:18:22 BoogieIcfgContainer [2020-12-09 10:18:22,589 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:18:22,589 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:18:22,589 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:18:22,589 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:18:22,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:18:17" (3/4) ... [2020-12-09 10:18:22,591 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 10:18:22,667 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8012ef65-c5ae-497c-b653-8ff6fadf9742/bin/utaipan/witness.graphml [2020-12-09 10:18:22,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:18:22,668 INFO L168 Benchmark]: Toolchain (without parser) took 7281.12 ms. Allocated memory was 83.9 MB in the beginning and 268.4 MB in the end (delta: 184.5 MB). Free memory was 62.0 MB in the beginning and 170.3 MB in the end (delta: -108.3 MB). Peak memory consumption was 75.8 MB. Max. memory is 16.1 GB. [2020-12-09 10:18:22,669 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 83.9 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:18:22,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.78 ms. Allocated memory is still 83.9 MB. Free memory was 61.8 MB in the beginning and 41.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 10:18:22,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.16 ms. Allocated memory was 83.9 MB in the beginning and 125.8 MB in the end (delta: 41.9 MB). Free memory was 41.1 MB in the beginning and 100.7 MB in the end (delta: -59.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:18:22,669 INFO L168 Benchmark]: Boogie Preprocessor took 82.97 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 97.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. [2020-12-09 10:18:22,670 INFO L168 Benchmark]: RCFGBuilder took 1641.10 ms. Allocated memory was 125.8 MB in the beginning and 153.1 MB in the end (delta: 27.3 MB). Free memory was 97.4 MB in the beginning and 42.0 MB in the end (delta: 55.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:18:22,670 INFO L168 Benchmark]: TraceAbstraction took 5056.76 ms. Allocated memory was 153.1 MB in the beginning and 268.4 MB in the end (delta: 115.3 MB). Free memory was 42.0 MB in the beginning and 183.9 MB in the end (delta: -141.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:18:22,670 INFO L168 Benchmark]: Witness Printer took 77.99 ms. Allocated memory is still 268.4 MB. Free memory was 183.9 MB in the beginning and 170.3 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 10:18:22,671 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 83.9 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 329.78 ms. Allocated memory is still 83.9 MB. Free memory was 61.8 MB in the beginning and 41.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.16 ms. Allocated memory was 83.9 MB in the beginning and 125.8 MB in the end (delta: 41.9 MB). Free memory was 41.1 MB in the beginning and 100.7 MB in the end (delta: -59.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.97 ms. Allocated memory is still 125.8 MB. Free memory was 100.7 MB in the beginning and 97.4 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1641.10 ms. Allocated memory was 125.8 MB in the beginning and 153.1 MB in the end (delta: 27.3 MB). Free memory was 97.4 MB in the beginning and 42.0 MB in the end (delta: 55.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5056.76 ms. Allocated memory was 153.1 MB in the beginning and 268.4 MB in the end (delta: 115.3 MB). Free memory was 42.0 MB in the beginning and 183.9 MB in the end (delta: -141.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 77.99 ms. Allocated memory is still 268.4 MB. Free memory was 183.9 MB in the beginning and 170.3 MB in the end (delta: 13.6 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: 65]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L36] int FloppyThread ; [L37] int KernelMode ; [L38] int Suspended ; [L39] int Executive ; [L40] int DiskController ; [L41] int FloppyDiskPeripheral ; [L42] int FlConfigCallBack ; [L43] int MaximumInterfaceType ; [L44] int MOUNTDEV_MOUNTED_DEVICE_GUID ; [L45] int myStatus ; [L46] int s ; [L47] int UNLOADED ; [L48] int NP ; [L49] int DC ; [L50] int SKIP1 ; [L51] int SKIP2 ; [L52] int MPR1 ; [L53] int MPR3 ; [L54] int IPC ; [L55] int pended ; [L56] int compRegistered ; [L57] int lowerDriverReturn ; [L58] int setEventCalled ; [L59] int customIrp ; [L91] int PagingReferenceCount = 0; [L92] int PagingMutex = 0; [L671] int status ; [L672] int irp = __VERIFIER_nondet_int() ; [L673] int pirp ; [L674] int pirp__IoStatus__Status ; [L675] int irp_choice = __VERIFIER_nondet_int() ; [L676] int devobj = __VERIFIER_nondet_int() ; [L677] int __cil_tmp8 ; [L679] FloppyThread = 0 [L680] KernelMode = 0 [L681] Suspended = 0 [L682] Executive = 0 [L683] DiskController = 0 [L684] FloppyDiskPeripheral = 0 [L685] FlConfigCallBack = 0 [L686] MaximumInterfaceType = 0 [L687] MOUNTDEV_MOUNTED_DEVICE_GUID = 0 [L688] myStatus = 0 [L689] s = 0 [L690] UNLOADED = 0 [L691] NP = 0 [L692] DC = 0 [L693] SKIP1 = 0 [L694] SKIP2 = 0 [L695] MPR1 = 0 [L696] MPR3 = 0 [L697] IPC = 0 [L698] pended = 0 [L699] compRegistered = 0 [L700] lowerDriverReturn = 0 [L701] setEventCalled = 0 [L702] customIrp = 0 [L706] status = 0 [L707] pirp = irp [L74] UNLOADED = 0 [L75] NP = 1 [L76] DC = 2 [L77] SKIP1 = 3 [L78] SKIP2 = 4 [L79] MPR1 = 5 [L80] MPR3 = 6 [L81] IPC = 7 [L82] s = UNLOADED [L83] pended = 0 [L84] compRegistered = 0 [L85] lowerDriverReturn = 0 [L86] setEventCalled = 0 [L87] 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] [L710] COND TRUE status >= 0 [L711] s = NP [L712] customIrp = 0 [L713] setEventCalled = customIrp [L714] lowerDriverReturn = setEventCalled [L715] compRegistered = lowerDriverReturn [L716] pended = compRegistered [L717] pirp__IoStatus__Status = 0 [L718] myStatus = 0 [L719] COND TRUE irp_choice == 0 [L720] pirp__IoStatus__Status = -1073741637 [L721] myStatus = -1073741637 [L661] s = NP [L662] pended = 0 [L663] compRegistered = 0 [L664] lowerDriverReturn = 0 [L665] setEventCalled = 0 [L666] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L727] COND FALSE !(status < 0) [L731] int tmp_ndt_1; [L732] tmp_ndt_1 = __VERIFIER_nondet_int() [L733] COND TRUE tmp_ndt_1 == 3 [L164] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L165] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L166] int Irp__IoStatus__Information ; [L167] int Irp__IoStatus__Status ; [L168] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L169] int disketteExtension__IsRemoved = __VERIFIER_nondet_int() ; [L170] int disketteExtension__IsStarted = __VERIFIER_nondet_int() ; [L171] int disketteExtension__TargetObject = __VERIFIER_nondet_int() ; [L172] int disketteExtension__HoldNewRequests ; [L173] int disketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L174] int disketteExtension__InterfaceString__Buffer = __VERIFIER_nondet_int() ; [L175] int disketteExtension__InterfaceString = __VERIFIER_nondet_int() ; [L176] int disketteExtension__ArcName__Length = __VERIFIER_nondet_int() ; [L177] int disketteExtension__ArcName = __VERIFIER_nondet_int() ; [L178] int irpSp__MinorFunction = __VERIFIER_nondet_int() ; [L179] int IoGetConfigurationInformation__FloppyCount = __VERIFIER_nondet_int() ; [L180] int irpSp ; [L181] int disketteExtension ; [L182] int ntStatus ; [L183] int doneEvent = __VERIFIER_nondet_int() ; [L184] int irpSp___0 ; [L185] int nextIrpSp ; [L186] int nextIrpSp__Control ; [L187] int irpSp___1 ; [L188] int irpSp__Context ; [L189] int irpSp__Control ; [L190] long __cil_tmp29 ; [L191] long __cil_tmp30 ; [L194] ntStatus = 0 [L195] PagingReferenceCount ++ [L196] COND TRUE PagingReferenceCount == 1 [L199] disketteExtension = DeviceObject__DeviceExtension [L200] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L201] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L210] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L213] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L239] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L242] COND FALSE !(! disketteExtension__IsStarted) [L258] disketteExtension__HoldNewRequests = 1 [L101] int status ; [L102] int threadHandle = __VERIFIER_nondet_int() ; [L103] int DisketteExtension__PoweringDown = __VERIFIER_nondet_int() ; [L104] int DisketteExtension__ThreadReferenceCount = __VERIFIER_nondet_int() ; [L105] int DisketteExtension__FloppyThread = __VERIFIER_nondet_int() ; [L106] int Irp__IoStatus__Status ; [L107] int Irp__IoStatus__Information ; [L108] int Irp__Tail__Overlay__CurrentStackLocation__Control ; [L109] int ObjAttributes = __VERIFIER_nondet_int() ; [L110] int __cil_tmp12 ; [L111] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L114] COND FALSE !(DisketteExtension__PoweringDown == 1) [L120] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L121] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L153] COND TRUE pended == 0 [L154] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L160] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L259] ntStatus = FlQueueIrpToThread(Irp, disketteExtension) [L262] __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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L263] COND TRUE __cil_tmp29 == 259L [L1036] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1045] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1049] 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=-1073741637, NP=1, PagingMutex=0, PagingReferenceCount=1, pended=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1056] int tmp_ndt_8; [L1057] tmp_ndt_8 = __VERIFIER_nondet_int() [L1058] COND FALSE !(tmp_ndt_8 == 0) [L1066] return (-1073741823); [L268] COND FALSE !(disketteExtension__FloppyThread != 0) [L271] disketteExtension__FloppyThread = 0 [L272] Irp__IoStatus__Status = 0 [L273] 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] [L274] COND TRUE s == NP [L275] 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] [L282] Irp__CurrentLocation ++ [L283] Irp__Tail__Overlay__CurrentStackLocation ++ [L938] int returnVal2 ; [L939] int compRetStatus1 ; [L940] int lcontext = __VERIFIER_nondet_int() ; [L941] 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] [L944] 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] [L957] int tmp_ndt_12; [L958] tmp_ndt_12 = __VERIFIER_nondet_int() [L959] COND TRUE tmp_ndt_12 == 0 [L970] returnVal2 = 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=3, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L983] 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] [L987] 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] [L996] COND TRUE s == SKIP1 [L997] s = SKIP2 [L998] lowerDriverReturn = returnVal2 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=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1006] return (returnVal2); [L284] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L430] PagingReferenceCount -- [L431] COND TRUE PagingReferenceCount == 0 [L434] return (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=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L740] status = FloppyPnp(devobj, pirp) [L750] 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=0, 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] [L751] 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=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L758] 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=0, 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] [L759] 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=0, pended=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L766] 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=0, 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] 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=0, 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] [L768] 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=0, 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] [L782] 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=0, 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] [L783] 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=0, 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] [L65] reach_error() 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=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 258 locations, 41 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.9s, OverallIterations: 36, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7205 SDtfs, 4880 SDslu, 6832 SDs, 0 SdLazy, 2552 SolverSat, 328 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 157 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=281occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 35 MinimizatonAttempts, 557 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 774 ConstructedInterpolants, 0 QuantifiedInterpolants, 47092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 35 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...