./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 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 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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 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:11:45,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:11:45,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:11:45,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:11:45,793 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:11:45,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:11:45,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:11:45,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:11:45,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:11:45,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:11:45,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:11:45,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:11:45,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:11:45,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:11:45,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:11:45,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:11:45,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:11:45,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:11:45,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:11:45,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:11:45,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:11:45,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:11:45,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:11:45,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:11:45,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:11:45,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:11:45,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:11:45,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:11:45,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:11:45,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:11:45,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:11:45,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:11:45,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:11:45,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:11:45,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:11:45,843 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:11:45,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:11:45,844 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:11:45,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:11:45,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:11:45,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:11:45,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:11:45,878 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:11:45,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:11:45,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:11:45,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:11:45,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:11:45,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:11:45,880 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:11:45,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:11:45,881 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:11:45,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:11:45,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:11:45,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:11:45,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:11:45,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:11:45,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:11:45,882 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:11:45,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:11:45,883 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:11:45,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:11:45,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:11:45,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:11:45,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:11:45,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:11:45,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:11:45,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:11:45,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:11:45,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:11:45,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:11:45,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:11:45,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:11:45,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f2ff50c19fe4a3b45780d8d11b89e9a2800d57 [2021-08-29 03:11:46,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:11:46,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:11:46,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:11:46,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:11:46,137 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:11:46,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-08-29 03:11:46,198 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0d2ce4c/b56f38e3e0ac46c28e39cca861a73e0d/FLAGfcbed5da1 [2021-08-29 03:11:46,574 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:11:46,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c [2021-08-29 03:11:46,582 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0d2ce4c/b56f38e3e0ac46c28e39cca861a73e0d/FLAGfcbed5da1 [2021-08-29 03:11:46,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e0d2ce4c/b56f38e3e0ac46c28e39cca861a73e0d [2021-08-29 03:11:46,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:11:46,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:11:46,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:11:46,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:11:46,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:11:46,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:11:46" (1/1) ... [2021-08-29 03:11:46,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f3782c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:46, skipping insertion in model container [2021-08-29 03:11:46,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:11:46" (1/1) ... [2021-08-29 03:11:46,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:11:46,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:11:47,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-08-29 03:11:47,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:11:47,330 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:11:47,363 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ntdrivers-simplified/floppy_simpl3.cil-1.c[2713,2726] [2021-08-29 03:11:47,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:11:47,464 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:11:47,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47 WrapperNode [2021-08-29 03:11:47,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:11:47,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:11:47,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:11:47,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:11:47,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,506 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:11:47,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:11:47,608 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:11:47,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:11:47,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:11:47,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:11:47,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:11:47,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:11:47,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (1/1) ... [2021-08-29 03:11:47,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:11:47,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:11:47,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 03:11:47,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 03:11:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:11:47,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:11:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:11:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:11:47,963 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,966 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,970 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,973 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,974 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,976 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,979 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,981 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,983 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,983 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,987 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,990 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,991 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,992 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,994 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:47,997 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,001 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,005 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,008 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,011 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,015 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,017 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,018 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,021 WARN L804 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-08-29 03:11:48,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume !false; [2021-08-29 03:11:48,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume false; [2021-08-29 03:11:48,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##445: assume false; [2021-08-29 03:11:48,286 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##290: assume false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##291: assume !false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##490: assume !false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##269: assume false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume !false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##446: assume !false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##209: assume false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume !false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##463: assume false; [2021-08-29 03:11:48,287 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##464: assume !false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##470: assume false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##471: assume !false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##242: assume !false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##489: assume false; [2021-08-29 03:11:48,288 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##246: assume !false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##245: assume false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume !false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##175: assume !false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##174: assume false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##180: assume false; [2021-08-29 03:11:48,289 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##181: assume !false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##56: assume !false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##55: assume false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##137: assume false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume !false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##393: assume false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2021-08-29 03:11:48,290 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume !false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##164: assume !false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##329: assume false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##330: assume !false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##364: assume !false; [2021-08-29 03:11:48,291 INFO L757 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##363: assume false; [2021-08-29 03:11:48,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:11:48,299 INFO L299 CfgBuilder]: Removed 207 assume(true) statements. [2021-08-29 03:11:48,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:11:48 BoogieIcfgContainer [2021-08-29 03:11:48,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:11:48,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:11:48,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:11:48,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:11:48,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:11:46" (1/3) ... [2021-08-29 03:11:48,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bb506d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:11:48, skipping insertion in model container [2021-08-29 03:11:48,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:11:47" (2/3) ... [2021-08-29 03:11:48,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8bb506d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:11:48, skipping insertion in model container [2021-08-29 03:11:48,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:11:48" (3/3) ... [2021-08-29 03:11:48,306 INFO L111 eAbstractionObserver]: Analyzing ICFG floppy_simpl3.cil-1.c [2021-08-29 03:11:48,309 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:11:48,310 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 41 error locations. [2021-08-29 03:11:48,347 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:11:48,352 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 03:11:48,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 41 error locations. [2021-08-29 03:11:48,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 421 states, 379 states have (on average 1.5910290237467017) internal successors, (603), 420 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 03:11:48,370 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:48,371 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:48,371 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:48,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:48,374 INFO L82 PathProgramCache]: Analyzing trace with hash 660910296, now seen corresponding path program 1 times [2021-08-29 03:11:48,380 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:48,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273194435] [2021-08-29 03:11:48,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:48,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:48,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:48,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:48,551 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273194435] [2021-08-29 03:11:48,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273194435] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:48,552 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:48,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:48,553 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249687833] [2021-08-29 03:11:48,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:48,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:48,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:48,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:48,580 INFO L87 Difference]: Start difference. First operand has 421 states, 379 states have (on average 1.5910290237467017) internal successors, (603), 420 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:49,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:49,037 INFO L93 Difference]: Finished difference Result 763 states and 1090 transitions. [2021-08-29 03:11:49,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:49,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-08-29 03:11:49,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:49,048 INFO L225 Difference]: With dead ends: 763 [2021-08-29 03:11:49,048 INFO L226 Difference]: Without dead ends: 416 [2021-08-29 03:11:49,050 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:49,052 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 522 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 305.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.96ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 411.54ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:49,053 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [522 Valid, 0 Invalid, 594 Unknown, 0 Unchecked, 2.96ms Time], IncrementalHoareTripleChecker [2 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 411.54ms Time] [2021-08-29 03:11:49,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2021-08-29 03:11:49,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2021-08-29 03:11:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 375 states have (on average 1.456) internal successors, (546), 415 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:49,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 546 transitions. [2021-08-29 03:11:49,089 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 546 transitions. Word has length 11 [2021-08-29 03:11:49,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:49,090 INFO L470 AbstractCegarLoop]: Abstraction has 416 states and 546 transitions. [2021-08-29 03:11:49,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 546 transitions. [2021-08-29 03:11:49,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-08-29 03:11:49,091 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:49,091 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:49,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:11:49,091 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:49,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:49,092 INFO L82 PathProgramCache]: Analyzing trace with hash -32433196, now seen corresponding path program 1 times [2021-08-29 03:11:49,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:49,092 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766041747] [2021-08-29 03:11:49,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:49,093 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:49,150 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:49,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766041747] [2021-08-29 03:11:49,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766041747] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:49,151 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:49,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:49,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181046902] [2021-08-29 03:11:49,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:49,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:49,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:49,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:49,153 INFO L87 Difference]: Start difference. First operand 416 states and 546 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:49,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:49,812 INFO L93 Difference]: Finished difference Result 714 states and 941 transitions. [2021-08-29 03:11:49,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:49,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-08-29 03:11:49,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:49,815 INFO L225 Difference]: With dead ends: 714 [2021-08-29 03:11:49,816 INFO L226 Difference]: Without dead ends: 547 [2021-08-29 03:11:49,816 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:49,817 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 292 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 482.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.65ms SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 627.57ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:49,817 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 0 Invalid, 1121 Unknown, 0 Unchecked, 3.65ms Time], IncrementalHoareTripleChecker [37 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 627.57ms Time] [2021-08-29 03:11:49,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2021-08-29 03:11:49,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 521. [2021-08-29 03:11:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 492 states have (on average 1.4166666666666667) internal successors, (697), 520 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:49,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 697 transitions. [2021-08-29 03:11:49,835 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 697 transitions. Word has length 13 [2021-08-29 03:11:49,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:49,836 INFO L470 AbstractCegarLoop]: Abstraction has 521 states and 697 transitions. [2021-08-29 03:11:49,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 697 transitions. [2021-08-29 03:11:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 03:11:49,837 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:49,837 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:49,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 03:11:49,837 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:49,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:49,838 INFO L82 PathProgramCache]: Analyzing trace with hash 563627937, now seen corresponding path program 1 times [2021-08-29 03:11:49,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:49,838 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084760854] [2021-08-29 03:11:49,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:49,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:49,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:49,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084760854] [2021-08-29 03:11:49,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084760854] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:49,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:49,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:49,880 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493834881] [2021-08-29 03:11:49,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:49,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:49,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:49,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:49,881 INFO L87 Difference]: Start difference. First operand 521 states and 697 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:50,358 INFO L93 Difference]: Finished difference Result 1000 states and 1335 transitions. [2021-08-29 03:11:50,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:50,359 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-08-29 03:11:50,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:50,361 INFO L225 Difference]: With dead ends: 1000 [2021-08-29 03:11:50,361 INFO L226 Difference]: Without dead ends: 690 [2021-08-29 03:11:50,362 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.25ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:50,363 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 415 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 335.62ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.62ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 442.58ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:50,364 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [415 Valid, 0 Invalid, 706 Unknown, 0 Unchecked, 1.62ms Time], IncrementalHoareTripleChecker [14 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 442.58ms Time] [2021-08-29 03:11:50,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2021-08-29 03:11:50,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 519. [2021-08-29 03:11:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 498 states have (on average 1.3975903614457832) internal successors, (696), 518 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 696 transitions. [2021-08-29 03:11:50,379 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 696 transitions. Word has length 16 [2021-08-29 03:11:50,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:50,379 INFO L470 AbstractCegarLoop]: Abstraction has 519 states and 696 transitions. [2021-08-29 03:11:50,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:50,379 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 696 transitions. [2021-08-29 03:11:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 03:11:50,380 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:50,380 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:50,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 03:11:50,381 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:50,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:50,381 INFO L82 PathProgramCache]: Analyzing trace with hash 6806604, now seen corresponding path program 1 times [2021-08-29 03:11:50,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:50,382 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204591137] [2021-08-29 03:11:50,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:50,382 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:50,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:50,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:50,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204591137] [2021-08-29 03:11:50,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204591137] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:50,416 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:50,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:50,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995612325] [2021-08-29 03:11:50,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:50,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:50,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:50,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:50,418 INFO L87 Difference]: Start difference. First operand 519 states and 696 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:50,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:50,810 INFO L93 Difference]: Finished difference Result 601 states and 797 transitions. [2021-08-29 03:11:50,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:50,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-29 03:11:50,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:50,814 INFO L225 Difference]: With dead ends: 601 [2021-08-29 03:11:50,814 INFO L226 Difference]: Without dead ends: 578 [2021-08-29 03:11:50,815 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:50,816 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 443 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 276.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.30ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 366.81ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:50,816 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [443 Valid, 0 Invalid, 550 Unknown, 0 Unchecked, 1.30ms Time], IncrementalHoareTripleChecker [6 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 366.81ms Time] [2021-08-29 03:11:50,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2021-08-29 03:11:50,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 537. [2021-08-29 03:11:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 517 states have (on average 1.4061895551257253) internal successors, (727), 536 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 727 transitions. [2021-08-29 03:11:50,829 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 727 transitions. Word has length 19 [2021-08-29 03:11:50,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:50,830 INFO L470 AbstractCegarLoop]: Abstraction has 537 states and 727 transitions. [2021-08-29 03:11:50,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 727 transitions. [2021-08-29 03:11:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 03:11:50,831 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:50,831 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:50,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 03:11:50,831 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:50,832 INFO L82 PathProgramCache]: Analyzing trace with hash -450647822, now seen corresponding path program 1 times [2021-08-29 03:11:50,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:50,832 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024612740] [2021-08-29 03:11:50,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:50,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:50,894 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:50,894 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024612740] [2021-08-29 03:11:50,894 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024612740] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:50,894 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:50,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:11:50,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477303082] [2021-08-29 03:11:50,895 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:50,895 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:50,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:50,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:50,896 INFO L87 Difference]: Start difference. First operand 537 states and 727 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:51,516 INFO L93 Difference]: Finished difference Result 650 states and 863 transitions. [2021-08-29 03:11:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 03:11:51,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-29 03:11:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:51,519 INFO L225 Difference]: With dead ends: 650 [2021-08-29 03:11:51,519 INFO L226 Difference]: Without dead ends: 599 [2021-08-29 03:11:51,519 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:51,520 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 82 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 453.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.28ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 571.83ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:51,520 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 0 Invalid, 1440 Unknown, 0 Unchecked, 3.28ms Time], IncrementalHoareTripleChecker [2 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 571.83ms Time] [2021-08-29 03:11:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2021-08-29 03:11:51,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 539. [2021-08-29 03:11:51,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 519 states have (on average 1.4046242774566473) internal successors, (729), 538 states have internal predecessors, (729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:51,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 729 transitions. [2021-08-29 03:11:51,533 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 729 transitions. Word has length 22 [2021-08-29 03:11:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:51,533 INFO L470 AbstractCegarLoop]: Abstraction has 539 states and 729 transitions. [2021-08-29 03:11:51,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 729 transitions. [2021-08-29 03:11:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-08-29 03:11:51,534 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:51,535 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:51,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 03:11:51,535 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:51,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:51,535 INFO L82 PathProgramCache]: Analyzing trace with hash 364241657, now seen corresponding path program 1 times [2021-08-29 03:11:51,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:51,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308616816] [2021-08-29 03:11:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:51,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:51,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:51,557 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308616816] [2021-08-29 03:11:51,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308616816] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:51,557 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:51,558 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:51,558 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156521397] [2021-08-29 03:11:51,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:51,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:51,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:51,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:51,559 INFO L87 Difference]: Start difference. First operand 539 states and 729 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:51,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:51,980 INFO L93 Difference]: Finished difference Result 574 states and 773 transitions. [2021-08-29 03:11:51,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:51,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-08-29 03:11:51,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:51,983 INFO L225 Difference]: With dead ends: 574 [2021-08-29 03:11:51,983 INFO L226 Difference]: Without dead ends: 569 [2021-08-29 03:11:51,983 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:51,984 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 20 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 924 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 306.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.73ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 924 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 395.97ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:51,984 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 0 Invalid, 931 Unknown, 0 Unchecked, 1.73ms Time], IncrementalHoareTripleChecker [7 Valid, 924 Invalid, 0 Unknown, 0 Unchecked, 395.97ms Time] [2021-08-29 03:11:51,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-08-29 03:11:52,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 566. [2021-08-29 03:11:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 546 states have (on average 1.401098901098901) internal successors, (765), 565 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 765 transitions. [2021-08-29 03:11:52,009 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 765 transitions. Word has length 22 [2021-08-29 03:11:52,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:52,010 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 765 transitions. [2021-08-29 03:11:52,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 765 transitions. [2021-08-29 03:11:52,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 03:11:52,011 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:52,011 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:52,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 03:11:52,012 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:52,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:52,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1575831316, now seen corresponding path program 1 times [2021-08-29 03:11:52,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:52,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603513384] [2021-08-29 03:11:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:52,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:52,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:52,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603513384] [2021-08-29 03:11:52,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603513384] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:52,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:52,049 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:11:52,049 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035547187] [2021-08-29 03:11:52,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:52,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:52,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:52,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:52,050 INFO L87 Difference]: Start difference. First operand 566 states and 765 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:52,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:52,509 INFO L93 Difference]: Finished difference Result 578 states and 775 transitions. [2021-08-29 03:11:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:11:52,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 03:11:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:52,514 INFO L225 Difference]: With dead ends: 578 [2021-08-29 03:11:52,514 INFO L226 Difference]: Without dead ends: 569 [2021-08-29 03:11:52,514 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.58ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:52,514 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 500 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 337.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 500 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.13ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 427.56ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:52,515 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [500 Valid, 0 Invalid, 931 Unknown, 0 Unchecked, 2.13ms Time], IncrementalHoareTripleChecker [5 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 427.56ms Time] [2021-08-29 03:11:52,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-08-29 03:11:52,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 566. [2021-08-29 03:11:52,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 546 states have (on average 1.3974358974358974) internal successors, (763), 565 states have internal predecessors, (763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 763 transitions. [2021-08-29 03:11:52,531 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 763 transitions. Word has length 23 [2021-08-29 03:11:52,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:52,531 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 763 transitions. [2021-08-29 03:11:52,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:52,532 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 763 transitions. [2021-08-29 03:11:52,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-08-29 03:11:52,532 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:52,532 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:52,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 03:11:52,533 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:52,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:52,533 INFO L82 PathProgramCache]: Analyzing trace with hash -2139092952, now seen corresponding path program 1 times [2021-08-29 03:11:52,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:52,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126581347] [2021-08-29 03:11:52,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:52,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:52,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:52,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:52,582 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126581347] [2021-08-29 03:11:52,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126581347] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:52,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:52,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:11:52,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280029340] [2021-08-29 03:11:52,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:52,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:52,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:52,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:52,584 INFO L87 Difference]: Start difference. First operand 566 states and 763 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:53,050 INFO L93 Difference]: Finished difference Result 578 states and 773 transitions. [2021-08-29 03:11:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:11:53,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-08-29 03:11:53,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:53,052 INFO L225 Difference]: With dead ends: 578 [2021-08-29 03:11:53,052 INFO L226 Difference]: Without dead ends: 569 [2021-08-29 03:11:53,052 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.65ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:53,053 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 497 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 343.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.09ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 432.41ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:53,053 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 0 Invalid, 931 Unknown, 0 Unchecked, 2.09ms Time], IncrementalHoareTripleChecker [5 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 432.41ms Time] [2021-08-29 03:11:53,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2021-08-29 03:11:53,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 566. [2021-08-29 03:11:53,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 546 states have (on average 1.3937728937728937) internal successors, (761), 565 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 761 transitions. [2021-08-29 03:11:53,068 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 761 transitions. Word has length 24 [2021-08-29 03:11:53,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:53,068 INFO L470 AbstractCegarLoop]: Abstraction has 566 states and 761 transitions. [2021-08-29 03:11:53,069 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:53,069 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 761 transitions. [2021-08-29 03:11:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 03:11:53,069 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:53,069 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:53,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 03:11:53,070 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:53,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:53,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1167485085, now seen corresponding path program 1 times [2021-08-29 03:11:53,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:53,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194235542] [2021-08-29 03:11:53,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:53,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:53,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:53,088 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194235542] [2021-08-29 03:11:53,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194235542] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:53,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:53,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:53,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840871197] [2021-08-29 03:11:53,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:53,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:53,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:53,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:53,090 INFO L87 Difference]: Start difference. First operand 566 states and 761 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:53,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:53,597 INFO L93 Difference]: Finished difference Result 768 states and 1029 transitions. [2021-08-29 03:11:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:53,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 03:11:53,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:53,599 INFO L225 Difference]: With dead ends: 768 [2021-08-29 03:11:53,600 INFO L226 Difference]: Without dead ends: 760 [2021-08-29 03:11:53,600 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:53,600 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 130 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 372.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.82ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 476.13ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:53,601 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 0 Invalid, 1077 Unknown, 0 Unchecked, 1.82ms Time], IncrementalHoareTripleChecker [12 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 476.13ms Time] [2021-08-29 03:11:53,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2021-08-29 03:11:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 584. [2021-08-29 03:11:53,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 564 states have (on average 1.3971631205673758) internal successors, (788), 583 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:53,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 788 transitions. [2021-08-29 03:11:53,616 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 788 transitions. Word has length 25 [2021-08-29 03:11:53,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:53,616 INFO L470 AbstractCegarLoop]: Abstraction has 584 states and 788 transitions. [2021-08-29 03:11:53,616 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 788 transitions. [2021-08-29 03:11:53,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 03:11:53,617 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:53,617 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:53,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 03:11:53,617 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:53,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:53,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1184010678, now seen corresponding path program 1 times [2021-08-29 03:11:53,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:53,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285194994] [2021-08-29 03:11:53,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:53,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:53,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:53,635 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:53,636 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285194994] [2021-08-29 03:11:53,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285194994] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:53,636 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:53,636 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:53,636 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210628939] [2021-08-29 03:11:53,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:53,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:53,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:53,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:53,637 INFO L87 Difference]: Start difference. First operand 584 states and 788 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:54,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:54,016 INFO L93 Difference]: Finished difference Result 584 states and 788 transitions. [2021-08-29 03:11:54,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:54,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 03:11:54,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:54,018 INFO L225 Difference]: With dead ends: 584 [2021-08-29 03:11:54,019 INFO L226 Difference]: Without dead ends: 572 [2021-08-29 03:11:54,019 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.28ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:54,019 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 71 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 278.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.41ms SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 357.53ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:54,019 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 0 Invalid, 838 Unknown, 0 Unchecked, 1.41ms Time], IncrementalHoareTripleChecker [11 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 357.53ms Time] [2021-08-29 03:11:54,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2021-08-29 03:11:54,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2021-08-29 03:11:54,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 558 states have (on average 1.3888888888888888) internal successors, (775), 571 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:54,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 775 transitions. [2021-08-29 03:11:54,046 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 775 transitions. Word has length 25 [2021-08-29 03:11:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:54,046 INFO L470 AbstractCegarLoop]: Abstraction has 572 states and 775 transitions. [2021-08-29 03:11:54,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 775 transitions. [2021-08-29 03:11:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-08-29 03:11:54,047 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:54,047 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:54,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 03:11:54,048 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:54,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:54,048 INFO L82 PathProgramCache]: Analyzing trace with hash 2043637155, now seen corresponding path program 1 times [2021-08-29 03:11:54,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:54,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99210791] [2021-08-29 03:11:54,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:54,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:54,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:54,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:54,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99210791] [2021-08-29 03:11:54,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99210791] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:54,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:54,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:11:54,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088885207] [2021-08-29 03:11:54,068 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:54,068 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:54,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:54,069 INFO L87 Difference]: Start difference. First operand 572 states and 775 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:54,594 INFO L93 Difference]: Finished difference Result 585 states and 787 transitions. [2021-08-29 03:11:54,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:11:54,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-08-29 03:11:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:54,596 INFO L225 Difference]: With dead ends: 585 [2021-08-29 03:11:54,596 INFO L226 Difference]: Without dead ends: 570 [2021-08-29 03:11:54,597 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.61ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:54,597 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 10 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 392.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.69ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 496.86ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:54,597 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 0 Invalid, 1367 Unknown, 0 Unchecked, 2.69ms Time], IncrementalHoareTripleChecker [0 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 496.86ms Time] [2021-08-29 03:11:54,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-08-29 03:11:54,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 570. [2021-08-29 03:11:54,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 556 states have (on average 1.3884892086330936) internal successors, (772), 569 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:54,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 772 transitions. [2021-08-29 03:11:54,611 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 772 transitions. Word has length 25 [2021-08-29 03:11:54,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:54,611 INFO L470 AbstractCegarLoop]: Abstraction has 570 states and 772 transitions. [2021-08-29 03:11:54,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:54,611 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 772 transitions. [2021-08-29 03:11:54,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-08-29 03:11:54,612 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:54,612 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:54,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 03:11:54,612 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:54,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1824640765, now seen corresponding path program 1 times [2021-08-29 03:11:54,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:54,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662292860] [2021-08-29 03:11:54,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:54,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:54,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:54,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:54,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662292860] [2021-08-29 03:11:54,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662292860] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:54,644 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:54,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:11:54,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719748877] [2021-08-29 03:11:54,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:54,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:54,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:54,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:54,645 INFO L87 Difference]: Start difference. First operand 570 states and 772 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:55,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:55,165 INFO L93 Difference]: Finished difference Result 870 states and 1155 transitions. [2021-08-29 03:11:55,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:11:55,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-08-29 03:11:55,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:55,167 INFO L225 Difference]: With dead ends: 870 [2021-08-29 03:11:55,167 INFO L226 Difference]: Without dead ends: 611 [2021-08-29 03:11:55,168 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.68ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:55,168 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 725 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 934 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 384.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.37ms SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 485.54ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:55,168 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [725 Valid, 0 Invalid, 967 Unknown, 0 Unchecked, 2.37ms Time], IncrementalHoareTripleChecker [33 Valid, 934 Invalid, 0 Unknown, 0 Unchecked, 485.54ms Time] [2021-08-29 03:11:55,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-08-29 03:11:55,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 553. [2021-08-29 03:11:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 540 states have (on average 1.362962962962963) internal successors, (736), 552 states have internal predecessors, (736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:55,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 736 transitions. [2021-08-29 03:11:55,183 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 736 transitions. Word has length 26 [2021-08-29 03:11:55,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:55,183 INFO L470 AbstractCegarLoop]: Abstraction has 553 states and 736 transitions. [2021-08-29 03:11:55,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:55,183 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 736 transitions. [2021-08-29 03:11:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-08-29 03:11:55,184 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:55,184 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:55,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 03:11:55,184 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:55,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:55,185 INFO L82 PathProgramCache]: Analyzing trace with hash -944626100, now seen corresponding path program 1 times [2021-08-29 03:11:55,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:55,185 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685445569] [2021-08-29 03:11:55,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:55,185 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:55,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:55,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685445569] [2021-08-29 03:11:55,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685445569] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:55,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:55,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:55,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350504816] [2021-08-29 03:11:55,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:55,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:55,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:55,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:55,206 INFO L87 Difference]: Start difference. First operand 553 states and 736 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:55,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:55,619 INFO L93 Difference]: Finished difference Result 761 states and 1012 transitions. [2021-08-29 03:11:55,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:55,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2021-08-29 03:11:55,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:55,621 INFO L225 Difference]: With dead ends: 761 [2021-08-29 03:11:55,622 INFO L226 Difference]: Without dead ends: 555 [2021-08-29 03:11:55,622 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.21ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:55,622 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 25 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 295.28ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 389.21ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:55,623 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 0 Invalid, 909 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [12 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 389.21ms Time] [2021-08-29 03:11:55,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2021-08-29 03:11:55,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-08-29 03:11:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 544 states have (on average 1.3584558823529411) internal successors, (739), 554 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 739 transitions. [2021-08-29 03:11:55,641 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 739 transitions. Word has length 28 [2021-08-29 03:11:55,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:55,642 INFO L470 AbstractCegarLoop]: Abstraction has 555 states and 739 transitions. [2021-08-29 03:11:55,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 739 transitions. [2021-08-29 03:11:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-29 03:11:55,643 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:55,643 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:55,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 03:11:55,643 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:55,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:55,643 INFO L82 PathProgramCache]: Analyzing trace with hash -1312752221, now seen corresponding path program 1 times [2021-08-29 03:11:55,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:55,644 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927811553] [2021-08-29 03:11:55,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:55,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:55,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:55,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:55,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927811553] [2021-08-29 03:11:55,661 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927811553] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:55,661 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:55,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:55,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660373339] [2021-08-29 03:11:55,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:55,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:55,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:55,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:55,662 INFO L87 Difference]: Start difference. First operand 555 states and 739 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:56,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:56,006 INFO L93 Difference]: Finished difference Result 735 states and 969 transitions. [2021-08-29 03:11:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:56,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2021-08-29 03:11:56,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:56,008 INFO L225 Difference]: With dead ends: 735 [2021-08-29 03:11:56,008 INFO L226 Difference]: Without dead ends: 531 [2021-08-29 03:11:56,008 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.18ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:56,009 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 197 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 252.61ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 324.53ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:56,009 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 0 Invalid, 709 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [3 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 324.53ms Time] [2021-08-29 03:11:56,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2021-08-29 03:11:56,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 515. [2021-08-29 03:11:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 504 states have (on average 1.3511904761904763) internal successors, (681), 514 states have internal predecessors, (681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 681 transitions. [2021-08-29 03:11:56,021 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 681 transitions. Word has length 29 [2021-08-29 03:11:56,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:56,022 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 681 transitions. [2021-08-29 03:11:56,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:56,022 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 681 transitions. [2021-08-29 03:11:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-08-29 03:11:56,023 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:56,023 INFO L513 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] [2021-08-29 03:11:56,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 03:11:56,023 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:56,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:56,023 INFO L82 PathProgramCache]: Analyzing trace with hash 259846608, now seen corresponding path program 1 times [2021-08-29 03:11:56,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:56,024 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492812881] [2021-08-29 03:11:56,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:56,024 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:56,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:56,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:56,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492812881] [2021-08-29 03:11:56,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492812881] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:56,066 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:56,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 03:11:56,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050919054] [2021-08-29 03:11:56,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 03:11:56,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:56,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 03:11:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:56,068 INFO L87 Difference]: Start difference. First operand 515 states and 681 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:56,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:56,927 INFO L93 Difference]: Finished difference Result 1326 states and 1752 transitions. [2021-08-29 03:11:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 03:11:56,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2021-08-29 03:11:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:56,930 INFO L225 Difference]: With dead ends: 1326 [2021-08-29 03:11:56,930 INFO L226 Difference]: Without dead ends: 1054 [2021-08-29 03:11:56,930 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 16.79ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 03:11:56,931 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 705 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 637.02ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.42ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 801.67ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:56,931 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [705 Valid, 0 Invalid, 2002 Unknown, 0 Unchecked, 3.42ms Time], IncrementalHoareTripleChecker [28 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 801.67ms Time] [2021-08-29 03:11:56,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2021-08-29 03:11:56,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 554. [2021-08-29 03:11:56,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 543 states have (on average 1.3609576427255985) internal successors, (739), 553 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 739 transitions. [2021-08-29 03:11:56,953 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 739 transitions. Word has length 32 [2021-08-29 03:11:56,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:56,953 INFO L470 AbstractCegarLoop]: Abstraction has 554 states and 739 transitions. [2021-08-29 03:11:56,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:56,953 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 739 transitions. [2021-08-29 03:11:56,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 03:11:56,954 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:56,954 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:56,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 03:11:56,955 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:56,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:56,955 INFO L82 PathProgramCache]: Analyzing trace with hash 175699761, now seen corresponding path program 1 times [2021-08-29 03:11:56,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:56,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803258001] [2021-08-29 03:11:56,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:56,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:56,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:56,977 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:56,977 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803258001] [2021-08-29 03:11:56,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803258001] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:56,978 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:56,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:56,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474431856] [2021-08-29 03:11:56,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:56,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:56,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:56,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:56,979 INFO L87 Difference]: Start difference. First operand 554 states and 739 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:57,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:57,384 INFO L93 Difference]: Finished difference Result 814 states and 1074 transitions. [2021-08-29 03:11:57,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:57,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-29 03:11:57,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:57,386 INFO L225 Difference]: With dead ends: 814 [2021-08-29 03:11:57,386 INFO L226 Difference]: Without dead ends: 615 [2021-08-29 03:11:57,387 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.35ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:57,387 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 169 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 796 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 287.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.26ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 796 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 379.92ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:57,387 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 0 Invalid, 801 Unknown, 0 Unchecked, 1.26ms Time], IncrementalHoareTripleChecker [5 Valid, 796 Invalid, 0 Unknown, 0 Unchecked, 379.92ms Time] [2021-08-29 03:11:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-08-29 03:11:57,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 542. [2021-08-29 03:11:57,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 534 states have (on average 1.350187265917603) internal successors, (721), 541 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:57,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 721 transitions. [2021-08-29 03:11:57,404 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 721 transitions. Word has length 33 [2021-08-29 03:11:57,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:57,405 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 721 transitions. [2021-08-29 03:11:57,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:57,405 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 721 transitions. [2021-08-29 03:11:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-08-29 03:11:57,406 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:57,406 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:11:57,406 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 03:11:57,406 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:57,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:57,406 INFO L82 PathProgramCache]: Analyzing trace with hash -744399452, now seen corresponding path program 1 times [2021-08-29 03:11:57,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:57,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029851447] [2021-08-29 03:11:57,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:57,407 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:57,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:57,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029851447] [2021-08-29 03:11:57,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029851447] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:57,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:57,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:11:57,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102073151] [2021-08-29 03:11:57,433 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:57,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:57,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:57,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:57,434 INFO L87 Difference]: Start difference. First operand 542 states and 721 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:57,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:57,845 INFO L93 Difference]: Finished difference Result 637 states and 833 transitions. [2021-08-29 03:11:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:11:57,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-08-29 03:11:57,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:57,847 INFO L225 Difference]: With dead ends: 637 [2021-08-29 03:11:57,847 INFO L226 Difference]: Without dead ends: 571 [2021-08-29 03:11:57,847 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.97ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:57,847 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 495 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 766 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 293.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.87ms SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 766 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 371.48ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:57,849 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [495 Valid, 0 Invalid, 800 Unknown, 0 Unchecked, 1.87ms Time], IncrementalHoareTripleChecker [34 Valid, 766 Invalid, 0 Unknown, 0 Unchecked, 371.48ms Time] [2021-08-29 03:11:57,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-08-29 03:11:57,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 542. [2021-08-29 03:11:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 534 states have (on average 1.3239700374531835) internal successors, (707), 541 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 707 transitions. [2021-08-29 03:11:57,866 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 707 transitions. Word has length 33 [2021-08-29 03:11:57,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:57,866 INFO L470 AbstractCegarLoop]: Abstraction has 542 states and 707 transitions. [2021-08-29 03:11:57,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 707 transitions. [2021-08-29 03:11:57,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 03:11:57,867 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:57,867 INFO L513 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] [2021-08-29 03:11:57,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-29 03:11:57,867 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:57,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:57,867 INFO L82 PathProgramCache]: Analyzing trace with hash 536662182, now seen corresponding path program 1 times [2021-08-29 03:11:57,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:57,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331289135] [2021-08-29 03:11:57,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:57,867 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:57,947 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:57,947 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331289135] [2021-08-29 03:11:57,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331289135] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:57,947 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:57,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 03:11:57,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740984549] [2021-08-29 03:11:57,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 03:11:57,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:57,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 03:11:57,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:11:57,948 INFO L87 Difference]: Start difference. First operand 542 states and 707 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:58,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:58,560 INFO L93 Difference]: Finished difference Result 562 states and 727 transitions. [2021-08-29 03:11:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 03:11:58,560 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 03:11:58,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:58,562 INFO L225 Difference]: With dead ends: 562 [2021-08-29 03:11:58,562 INFO L226 Difference]: Without dead ends: 543 [2021-08-29 03:11:58,562 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.32ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 03:11:58,563 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 43 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 457.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 575.67ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:58,563 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 0 Invalid, 1686 Unknown, 0 Unchecked, 3.00ms Time], IncrementalHoareTripleChecker [0 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 575.67ms Time] [2021-08-29 03:11:58,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2021-08-29 03:11:58,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 540. [2021-08-29 03:11:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 532 states have (on average 1.3195488721804511) internal successors, (702), 539 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:58,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 702 transitions. [2021-08-29 03:11:58,580 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 702 transitions. Word has length 34 [2021-08-29 03:11:58,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:58,580 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 702 transitions. [2021-08-29 03:11:58,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 702 transitions. [2021-08-29 03:11:58,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 03:11:58,581 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:58,581 INFO L513 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] [2021-08-29 03:11:58,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-08-29 03:11:58,582 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:58,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:58,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1675490409, now seen corresponding path program 1 times [2021-08-29 03:11:58,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:58,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259877652] [2021-08-29 03:11:58,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:58,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:58,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:58,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259877652] [2021-08-29 03:11:58,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259877652] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:58,610 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:58,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:58,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586963514] [2021-08-29 03:11:58,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:11:58,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:58,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:11:58,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:58,611 INFO L87 Difference]: Start difference. First operand 540 states and 702 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:59,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:59,033 INFO L93 Difference]: Finished difference Result 759 states and 970 transitions. [2021-08-29 03:11:59,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:11:59,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 03:11:59,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:59,035 INFO L225 Difference]: With dead ends: 759 [2021-08-29 03:11:59,035 INFO L226 Difference]: Without dead ends: 650 [2021-08-29 03:11:59,035 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:11:59,036 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 87 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 305.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.19ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 391.13ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:59,036 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 0 Invalid, 862 Unknown, 0 Unchecked, 1.19ms Time], IncrementalHoareTripleChecker [1 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 391.13ms Time] [2021-08-29 03:11:59,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2021-08-29 03:11:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 541. [2021-08-29 03:11:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 533 states have (on average 1.3189493433395871) internal successors, (703), 540 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 703 transitions. [2021-08-29 03:11:59,052 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 703 transitions. Word has length 34 [2021-08-29 03:11:59,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:59,052 INFO L470 AbstractCegarLoop]: Abstraction has 541 states and 703 transitions. [2021-08-29 03:11:59,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:59,052 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 703 transitions. [2021-08-29 03:11:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 03:11:59,053 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:59,053 INFO L513 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] [2021-08-29 03:11:59,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-29 03:11:59,053 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:59,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:59,054 INFO L82 PathProgramCache]: Analyzing trace with hash -930533145, now seen corresponding path program 1 times [2021-08-29 03:11:59,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:59,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418143657] [2021-08-29 03:11:59,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:59,054 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:59,086 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:59,086 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418143657] [2021-08-29 03:11:59,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418143657] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:59,086 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:59,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:11:59,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211282990] [2021-08-29 03:11:59,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:59,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:59,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:59,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:59,087 INFO L87 Difference]: Start difference. First operand 541 states and 703 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:59,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:11:59,577 INFO L93 Difference]: Finished difference Result 1236 states and 1594 transitions. [2021-08-29 03:11:59,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:11:59,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 03:11:59,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:11:59,581 INFO L225 Difference]: With dead ends: 1236 [2021-08-29 03:11:59,581 INFO L226 Difference]: Without dead ends: 704 [2021-08-29 03:11:59,581 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.07ms TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:59,582 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 457 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 345.04ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.61ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 437.33ms IncrementalHoareTripleChecker+Time [2021-08-29 03:11:59,582 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [457 Valid, 0 Invalid, 991 Unknown, 0 Unchecked, 1.61ms Time], IncrementalHoareTripleChecker [7 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 437.33ms Time] [2021-08-29 03:11:59,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-08-29 03:11:59,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 600. [2021-08-29 03:11:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 592 states have (on average 1.3057432432432432) internal successors, (773), 599 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 773 transitions. [2021-08-29 03:11:59,612 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 773 transitions. Word has length 34 [2021-08-29 03:11:59,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:11:59,613 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 773 transitions. [2021-08-29 03:11:59,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:11:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 773 transitions. [2021-08-29 03:11:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-29 03:11:59,614 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:11:59,614 INFO L513 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] [2021-08-29 03:11:59,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-29 03:11:59,615 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:11:59,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:11:59,615 INFO L82 PathProgramCache]: Analyzing trace with hash -992572759, now seen corresponding path program 1 times [2021-08-29 03:11:59,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:11:59,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271117127] [2021-08-29 03:11:59,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:11:59,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:11:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:11:59,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:11:59,698 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:11:59,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271117127] [2021-08-29 03:11:59,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271117127] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:11:59,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:11:59,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:11:59,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991453456] [2021-08-29 03:11:59,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:11:59,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:11:59,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:11:59,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:11:59,700 INFO L87 Difference]: Start difference. First operand 600 states and 773 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:00,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:00,345 INFO L93 Difference]: Finished difference Result 789 states and 1014 transitions. [2021-08-29 03:12:00,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:12:00,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2021-08-29 03:12:00,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:00,347 INFO L225 Difference]: With dead ends: 789 [2021-08-29 03:12:00,347 INFO L226 Difference]: Without dead ends: 570 [2021-08-29 03:12:00,348 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.91ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:12:00,348 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 342 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 412.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.35ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 586.27ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:00,348 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [342 Valid, 0 Invalid, 939 Unknown, 0 Unchecked, 1.35ms Time], IncrementalHoareTripleChecker [6 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 586.27ms Time] [2021-08-29 03:12:00,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2021-08-29 03:12:00,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 565. [2021-08-29 03:12:00,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 558 states have (on average 1.2939068100358424) internal successors, (722), 564 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 722 transitions. [2021-08-29 03:12:00,379 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 722 transitions. Word has length 34 [2021-08-29 03:12:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:00,379 INFO L470 AbstractCegarLoop]: Abstraction has 565 states and 722 transitions. [2021-08-29 03:12:00,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:00,379 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 722 transitions. [2021-08-29 03:12:00,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-29 03:12:00,380 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:00,380 INFO L513 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] [2021-08-29 03:12:00,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-29 03:12:00,380 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:00,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:00,381 INFO L82 PathProgramCache]: Analyzing trace with hash 813687739, now seen corresponding path program 1 times [2021-08-29 03:12:00,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:00,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328444398] [2021-08-29 03:12:00,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:00,381 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:00,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:00,440 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328444398] [2021-08-29 03:12:00,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328444398] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:00,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:00,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:12:00,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845269192] [2021-08-29 03:12:00,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:12:00,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:00,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:12:00,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:12:00,441 INFO L87 Difference]: Start difference. First operand 565 states and 722 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:00,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:00,908 INFO L93 Difference]: Finished difference Result 637 states and 807 transitions. [2021-08-29 03:12:00,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:12:00,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-29 03:12:00,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:00,910 INFO L225 Difference]: With dead ends: 637 [2021-08-29 03:12:00,910 INFO L226 Difference]: Without dead ends: 538 [2021-08-29 03:12:00,911 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.23ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:12:00,912 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 439 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 362.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.48ms SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 426.49ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:00,912 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [439 Valid, 0 Invalid, 727 Unknown, 0 Unchecked, 1.48ms Time], IncrementalHoareTripleChecker [17 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 426.49ms Time] [2021-08-29 03:12:00,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2021-08-29 03:12:00,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 522. [2021-08-29 03:12:00,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 515 states have (on average 1.2699029126213592) internal successors, (654), 521 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 654 transitions. [2021-08-29 03:12:00,936 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 654 transitions. Word has length 35 [2021-08-29 03:12:00,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:00,937 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 654 transitions. [2021-08-29 03:12:00,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 654 transitions. [2021-08-29 03:12:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-29 03:12:00,938 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:00,938 INFO L513 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] [2021-08-29 03:12:00,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-29 03:12:00,938 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:00,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:00,938 INFO L82 PathProgramCache]: Analyzing trace with hash -759040003, now seen corresponding path program 1 times [2021-08-29 03:12:00,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:00,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781672105] [2021-08-29 03:12:00,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:00,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:00,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:00,957 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781672105] [2021-08-29 03:12:00,957 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781672105] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:00,957 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:00,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:12:00,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825056664] [2021-08-29 03:12:00,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:12:00,958 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:00,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:12:00,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:00,958 INFO L87 Difference]: Start difference. First operand 522 states and 654 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:01,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:01,338 INFO L93 Difference]: Finished difference Result 542 states and 671 transitions. [2021-08-29 03:12:01,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:12:01,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-29 03:12:01,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:01,339 INFO L225 Difference]: With dead ends: 542 [2021-08-29 03:12:01,339 INFO L226 Difference]: Without dead ends: 521 [2021-08-29 03:12:01,340 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.20ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:01,340 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 274.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.02ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 347.25ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:01,340 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 766 Unknown, 0 Unchecked, 1.02ms Time], IncrementalHoareTripleChecker [6 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 347.25ms Time] [2021-08-29 03:12:01,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-08-29 03:12:01,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2021-08-29 03:12:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 509 states have (on average 1.2593320235756384) internal successors, (641), 514 states have internal predecessors, (641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 641 transitions. [2021-08-29 03:12:01,372 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 641 transitions. Word has length 35 [2021-08-29 03:12:01,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:01,372 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 641 transitions. [2021-08-29 03:12:01,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 641 transitions. [2021-08-29 03:12:01,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-08-29 03:12:01,373 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:01,373 INFO L513 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] [2021-08-29 03:12:01,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-29 03:12:01,374 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:01,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:01,374 INFO L82 PathProgramCache]: Analyzing trace with hash 111409610, now seen corresponding path program 1 times [2021-08-29 03:12:01,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:01,374 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553962200] [2021-08-29 03:12:01,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:01,375 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:01,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:01,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:01,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553962200] [2021-08-29 03:12:01,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553962200] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:01,404 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:01,404 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:12:01,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098283475] [2021-08-29 03:12:01,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:12:01,405 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:01,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:12:01,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:12:01,405 INFO L87 Difference]: Start difference. First operand 515 states and 641 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:01,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:01,784 INFO L93 Difference]: Finished difference Result 720 states and 898 transitions. [2021-08-29 03:12:01,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:12:01,784 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-08-29 03:12:01,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:01,786 INFO L225 Difference]: With dead ends: 720 [2021-08-29 03:12:01,786 INFO L226 Difference]: Without dead ends: 536 [2021-08-29 03:12:01,786 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.55ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:12:01,786 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 410 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 266.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.61ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 340.38ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:01,787 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [410 Valid, 0 Invalid, 767 Unknown, 0 Unchecked, 1.61ms Time], IncrementalHoareTripleChecker [24 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 340.38ms Time] [2021-08-29 03:12:01,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-08-29 03:12:01,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 512. [2021-08-29 03:12:01,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 506 states have (on average 1.2490118577075098) internal successors, (632), 511 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:01,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 632 transitions. [2021-08-29 03:12:01,810 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 632 transitions. Word has length 35 [2021-08-29 03:12:01,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:01,810 INFO L470 AbstractCegarLoop]: Abstraction has 512 states and 632 transitions. [2021-08-29 03:12:01,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:01,810 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 632 transitions. [2021-08-29 03:12:01,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 03:12:01,811 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:01,811 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:01,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-29 03:12:01,811 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:01,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:01,812 INFO L82 PathProgramCache]: Analyzing trace with hash -949179113, now seen corresponding path program 1 times [2021-08-29 03:12:01,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:01,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710240793] [2021-08-29 03:12:01,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:01,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:01,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:01,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710240793] [2021-08-29 03:12:01,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710240793] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:01,827 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:01,827 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:12:01,827 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240945830] [2021-08-29 03:12:01,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:12:01,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:01,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:12:01,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:01,828 INFO L87 Difference]: Start difference. First operand 512 states and 632 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:02,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:02,199 INFO L93 Difference]: Finished difference Result 536 states and 657 transitions. [2021-08-29 03:12:02,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:12:02,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-29 03:12:02,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:02,201 INFO L225 Difference]: With dead ends: 536 [2021-08-29 03:12:02,201 INFO L226 Difference]: Without dead ends: 512 [2021-08-29 03:12:02,201 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:02,202 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 254.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.66ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 335.74ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:02,202 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 770 Unknown, 0 Unchecked, 0.66ms Time], IncrementalHoareTripleChecker [2 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 335.74ms Time] [2021-08-29 03:12:02,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2021-08-29 03:12:02,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 511. [2021-08-29 03:12:02,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 505 states have (on average 1.2396039603960396) internal successors, (626), 510 states have internal predecessors, (626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:02,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 626 transitions. [2021-08-29 03:12:02,231 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 626 transitions. Word has length 36 [2021-08-29 03:12:02,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:02,231 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 626 transitions. [2021-08-29 03:12:02,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:02,232 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 626 transitions. [2021-08-29 03:12:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 03:12:02,233 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:02,233 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:02,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-08-29 03:12:02,233 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:02,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:02,233 INFO L82 PathProgramCache]: Analyzing trace with hash -2037812492, now seen corresponding path program 1 times [2021-08-29 03:12:02,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:02,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879105325] [2021-08-29 03:12:02,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:02,234 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:02,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:02,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:02,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:02,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879105325] [2021-08-29 03:12:02,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879105325] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:02,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:02,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-29 03:12:02,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358736747] [2021-08-29 03:12:02,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 03:12:02,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:02,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 03:12:02,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:12:02,259 INFO L87 Difference]: Start difference. First operand 511 states and 626 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:02,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:02,863 INFO L93 Difference]: Finished difference Result 529 states and 642 transitions. [2021-08-29 03:12:02,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 03:12:02,864 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-29 03:12:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:02,865 INFO L225 Difference]: With dead ends: 529 [2021-08-29 03:12:02,865 INFO L226 Difference]: Without dead ends: 526 [2021-08-29 03:12:02,865 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.40ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-08-29 03:12:02,866 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 349 mSDsluCounter, 1138 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 439.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.51ms SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 554.45ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:02,866 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [349 Valid, 0 Invalid, 1707 Unknown, 0 Unchecked, 2.51ms Time], IncrementalHoareTripleChecker [20 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 554.45ms Time] [2021-08-29 03:12:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2021-08-29 03:12:02,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 517. [2021-08-29 03:12:02,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 511 states have (on average 1.2367906066536203) internal successors, (632), 516 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:02,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 632 transitions. [2021-08-29 03:12:02,892 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 632 transitions. Word has length 36 [2021-08-29 03:12:02,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:02,892 INFO L470 AbstractCegarLoop]: Abstraction has 517 states and 632 transitions. [2021-08-29 03:12:02,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:02,892 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 632 transitions. [2021-08-29 03:12:02,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-08-29 03:12:02,893 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:02,893 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:02,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-08-29 03:12:02,893 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:02,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:02,894 INFO L82 PathProgramCache]: Analyzing trace with hash -2037824408, now seen corresponding path program 1 times [2021-08-29 03:12:02,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:02,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461687680] [2021-08-29 03:12:02,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:02,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:02,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:02,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461687680] [2021-08-29 03:12:02,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461687680] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:02,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:02,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:12:02,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165546812] [2021-08-29 03:12:02,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:12:02,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:02,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:12:02,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:12:02,941 INFO L87 Difference]: Start difference. First operand 517 states and 632 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:03,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:03,302 INFO L93 Difference]: Finished difference Result 526 states and 639 transitions. [2021-08-29 03:12:03,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:12:03,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2021-08-29 03:12:03,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:03,312 INFO L225 Difference]: With dead ends: 526 [2021-08-29 03:12:03,312 INFO L226 Difference]: Without dead ends: 501 [2021-08-29 03:12:03,312 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.11ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:12:03,313 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 409 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 256.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 323.18ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:03,313 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 0 Invalid, 757 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [6 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 323.18ms Time] [2021-08-29 03:12:03,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2021-08-29 03:12:03,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 497. [2021-08-29 03:12:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 491 states have (on average 1.2382892057026476) internal successors, (608), 496 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 608 transitions. [2021-08-29 03:12:03,337 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 608 transitions. Word has length 36 [2021-08-29 03:12:03,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:03,338 INFO L470 AbstractCegarLoop]: Abstraction has 497 states and 608 transitions. [2021-08-29 03:12:03,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 608 transitions. [2021-08-29 03:12:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-08-29 03:12:03,339 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:03,339 INFO L513 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] [2021-08-29 03:12:03,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-08-29 03:12:03,339 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:03,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1481841291, now seen corresponding path program 1 times [2021-08-29 03:12:03,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:03,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720367090] [2021-08-29 03:12:03,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:03,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:03,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:03,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720367090] [2021-08-29 03:12:03,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720367090] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:03,366 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:03,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 03:12:03,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048937003] [2021-08-29 03:12:03,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:12:03,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:03,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:12:03,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:12:03,367 INFO L87 Difference]: Start difference. First operand 497 states and 608 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:03,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:03,759 INFO L93 Difference]: Finished difference Result 513 states and 622 transitions. [2021-08-29 03:12:03,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 03:12:03,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-08-29 03:12:03,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:03,767 INFO L225 Difference]: With dead ends: 513 [2021-08-29 03:12:03,767 INFO L226 Difference]: Without dead ends: 492 [2021-08-29 03:12:03,767 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.27ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:12:03,768 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 133 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 291.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.29ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 354.96ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:03,768 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 0 Invalid, 1089 Unknown, 0 Unchecked, 1.29ms Time], IncrementalHoareTripleChecker [1 Valid, 1088 Invalid, 0 Unknown, 0 Unchecked, 354.96ms Time] [2021-08-29 03:12:03,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2021-08-29 03:12:03,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 480. [2021-08-29 03:12:03,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 474 states have (on average 1.240506329113924) internal successors, (588), 479 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:03,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 588 transitions. [2021-08-29 03:12:03,803 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 588 transitions. Word has length 38 [2021-08-29 03:12:03,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:03,803 INFO L470 AbstractCegarLoop]: Abstraction has 480 states and 588 transitions. [2021-08-29 03:12:03,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 588 transitions. [2021-08-29 03:12:03,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-08-29 03:12:03,804 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:03,804 INFO L513 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] [2021-08-29 03:12:03,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-08-29 03:12:03,805 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:03,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:03,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1021756590, now seen corresponding path program 1 times [2021-08-29 03:12:03,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:03,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420244516] [2021-08-29 03:12:03,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:03,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:03,825 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:03,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420244516] [2021-08-29 03:12:03,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420244516] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:03,826 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:03,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:12:03,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401773776] [2021-08-29 03:12:03,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:12:03,826 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:03,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:12:03,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:03,827 INFO L87 Difference]: Start difference. First operand 480 states and 588 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:04,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:04,272 INFO L93 Difference]: Finished difference Result 839 states and 1026 transitions. [2021-08-29 03:12:04,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:12:04,273 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-08-29 03:12:04,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:04,274 INFO L225 Difference]: With dead ends: 839 [2021-08-29 03:12:04,274 INFO L226 Difference]: Without dead ends: 658 [2021-08-29 03:12:04,275 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.17ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:04,275 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 171 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 313.65ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.79ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 399.48ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:04,275 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [171 Valid, 0 Invalid, 903 Unknown, 0 Unchecked, 0.79ms Time], IncrementalHoareTripleChecker [9 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 399.48ms Time] [2021-08-29 03:12:04,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2021-08-29 03:12:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 483. [2021-08-29 03:12:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 477 states have (on average 1.2389937106918238) internal successors, (591), 482 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 591 transitions. [2021-08-29 03:12:04,306 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 591 transitions. Word has length 38 [2021-08-29 03:12:04,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:04,306 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 591 transitions. [2021-08-29 03:12:04,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:04,307 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 591 transitions. [2021-08-29 03:12:04,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-08-29 03:12:04,307 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:04,308 INFO L513 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] [2021-08-29 03:12:04,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-08-29 03:12:04,308 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:04,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:04,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1329794158, now seen corresponding path program 1 times [2021-08-29 03:12:04,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:04,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649977181] [2021-08-29 03:12:04,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:04,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:04,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:04,341 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649977181] [2021-08-29 03:12:04,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649977181] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:04,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:04,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 03:12:04,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113928071] [2021-08-29 03:12:04,342 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 03:12:04,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:04,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 03:12:04,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:12:04,343 INFO L87 Difference]: Start difference. First operand 483 states and 591 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:05,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:05,107 INFO L93 Difference]: Finished difference Result 824 states and 994 transitions. [2021-08-29 03:12:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-29 03:12:05,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-08-29 03:12:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:05,109 INFO L225 Difference]: With dead ends: 824 [2021-08-29 03:12:05,109 INFO L226 Difference]: Without dead ends: 668 [2021-08-29 03:12:05,109 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.13ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-08-29 03:12:05,110 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 360 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 548.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.17ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 693.24ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:05,110 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [360 Valid, 0 Invalid, 1863 Unknown, 0 Unchecked, 2.17ms Time], IncrementalHoareTripleChecker [18 Valid, 1845 Invalid, 0 Unknown, 0 Unchecked, 693.24ms Time] [2021-08-29 03:12:05,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-08-29 03:12:05,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 483. [2021-08-29 03:12:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 477 states have (on average 1.230607966457023) internal successors, (587), 482 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 587 transitions. [2021-08-29 03:12:05,136 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 587 transitions. Word has length 38 [2021-08-29 03:12:05,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:05,137 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 587 transitions. [2021-08-29 03:12:05,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 587 transitions. [2021-08-29 03:12:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-29 03:12:05,137 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:05,138 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:05,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-08-29 03:12:05,138 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:05,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:05,138 INFO L82 PathProgramCache]: Analyzing trace with hash 595887759, now seen corresponding path program 1 times [2021-08-29 03:12:05,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:05,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122003566] [2021-08-29 03:12:05,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:05,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:05,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:05,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122003566] [2021-08-29 03:12:05,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122003566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:05,173 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:05,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-29 03:12:05,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701473450] [2021-08-29 03:12:05,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 03:12:05,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:05,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 03:12:05,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:12:05,174 INFO L87 Difference]: Start difference. First operand 483 states and 587 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:06,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:06,083 INFO L93 Difference]: Finished difference Result 946 states and 1156 transitions. [2021-08-29 03:12:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 03:12:06,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-08-29 03:12:06,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:06,086 INFO L225 Difference]: With dead ends: 946 [2021-08-29 03:12:06,086 INFO L226 Difference]: Without dead ends: 816 [2021-08-29 03:12:06,086 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 26.55ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-08-29 03:12:06,087 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 539 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 646.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.57ms SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 815.84ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:06,087 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 0 Invalid, 2120 Unknown, 0 Unchecked, 2.57ms Time], IncrementalHoareTripleChecker [15 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 815.84ms Time] [2021-08-29 03:12:06,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2021-08-29 03:12:06,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 483. [2021-08-29 03:12:06,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 477 states have (on average 1.228511530398323) internal successors, (586), 482 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:06,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 586 transitions. [2021-08-29 03:12:06,115 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 586 transitions. Word has length 41 [2021-08-29 03:12:06,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:06,115 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 586 transitions. [2021-08-29 03:12:06,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:06,115 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 586 transitions. [2021-08-29 03:12:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-08-29 03:12:06,116 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:06,116 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:06,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-08-29 03:12:06,116 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:06,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:06,117 INFO L82 PathProgramCache]: Analyzing trace with hash 768333102, now seen corresponding path program 1 times [2021-08-29 03:12:06,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:06,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482875878] [2021-08-29 03:12:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:06,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:06,147 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:06,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482875878] [2021-08-29 03:12:06,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482875878] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:06,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:06,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 03:12:06,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001720132] [2021-08-29 03:12:06,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 03:12:06,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:06,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 03:12:06,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-29 03:12:06,149 INFO L87 Difference]: Start difference. First operand 483 states and 586 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:06,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:06,814 INFO L93 Difference]: Finished difference Result 501 states and 603 transitions. [2021-08-29 03:12:06,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-29 03:12:06,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-08-29 03:12:06,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:06,815 INFO L225 Difference]: With dead ends: 501 [2021-08-29 03:12:06,815 INFO L226 Difference]: Without dead ends: 385 [2021-08-29 03:12:06,815 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.85ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-29 03:12:06,816 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 427 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 468.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.44ms SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 597.00ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:06,816 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [427 Valid, 0 Invalid, 1837 Unknown, 0 Unchecked, 2.44ms Time], IncrementalHoareTripleChecker [23 Valid, 1814 Invalid, 0 Unknown, 0 Unchecked, 597.00ms Time] [2021-08-29 03:12:06,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2021-08-29 03:12:06,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 367. [2021-08-29 03:12:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 362 states have (on average 1.2320441988950277) internal successors, (446), 366 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:06,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 446 transitions. [2021-08-29 03:12:06,837 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 446 transitions. Word has length 41 [2021-08-29 03:12:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:06,837 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 446 transitions. [2021-08-29 03:12:06,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 446 transitions. [2021-08-29 03:12:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-08-29 03:12:06,838 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:06,838 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:06,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-08-29 03:12:06,839 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:06,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:06,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1022149612, now seen corresponding path program 1 times [2021-08-29 03:12:06,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:06,839 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812254820] [2021-08-29 03:12:06,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:06,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:06,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:06,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812254820] [2021-08-29 03:12:06,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812254820] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:06,856 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:06,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:12:06,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44963351] [2021-08-29 03:12:06,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:12:06,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:06,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:12:06,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:06,857 INFO L87 Difference]: Start difference. First operand 367 states and 446 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:07,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:07,136 INFO L93 Difference]: Finished difference Result 500 states and 615 transitions. [2021-08-29 03:12:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:12:07,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2021-08-29 03:12:07,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:07,138 INFO L225 Difference]: With dead ends: 500 [2021-08-29 03:12:07,138 INFO L226 Difference]: Without dead ends: 329 [2021-08-29 03:12:07,138 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.14ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:07,138 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 55 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 197.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.53ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 253.07ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:07,139 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 0 Invalid, 593 Unknown, 0 Unchecked, 0.53ms Time], IncrementalHoareTripleChecker [5 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 253.07ms Time] [2021-08-29 03:12:07,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-08-29 03:12:07,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2021-08-29 03:12:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 326 states have (on average 1.2177914110429449) internal successors, (397), 328 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 397 transitions. [2021-08-29 03:12:07,157 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 397 transitions. Word has length 45 [2021-08-29 03:12:07,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:07,157 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 397 transitions. [2021-08-29 03:12:07,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:07,158 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 397 transitions. [2021-08-29 03:12:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-29 03:12:07,158 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:07,158 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:07,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-08-29 03:12:07,159 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:07,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:07,159 INFO L82 PathProgramCache]: Analyzing trace with hash 632304062, now seen corresponding path program 1 times [2021-08-29 03:12:07,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:07,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299144883] [2021-08-29 03:12:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:07,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:07,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:07,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299144883] [2021-08-29 03:12:07,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299144883] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:07,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:07,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 03:12:07,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172505322] [2021-08-29 03:12:07,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 03:12:07,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:07,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 03:12:07,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-29 03:12:07,206 INFO L87 Difference]: Start difference. First operand 329 states and 397 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:07,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:07,763 INFO L93 Difference]: Finished difference Result 459 states and 546 transitions. [2021-08-29 03:12:07,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-29 03:12:07,764 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-08-29 03:12:07,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:07,765 INFO L225 Difference]: With dead ends: 459 [2021-08-29 03:12:07,765 INFO L226 Difference]: Without dead ends: 441 [2021-08-29 03:12:07,765 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 44.16ms TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-08-29 03:12:07,766 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 931 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 384.49ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 931 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.36ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 476.89ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:07,766 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [931 Valid, 0 Invalid, 1242 Unknown, 0 Unchecked, 2.36ms Time], IncrementalHoareTripleChecker [16 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 476.89ms Time] [2021-08-29 03:12:07,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2021-08-29 03:12:07,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 335. [2021-08-29 03:12:07,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 332 states have (on average 1.213855421686747) internal successors, (403), 334 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:07,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 403 transitions. [2021-08-29 03:12:07,786 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 403 transitions. Word has length 51 [2021-08-29 03:12:07,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:07,786 INFO L470 AbstractCegarLoop]: Abstraction has 335 states and 403 transitions. [2021-08-29 03:12:07,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:07,786 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 403 transitions. [2021-08-29 03:12:07,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-08-29 03:12:07,787 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:07,787 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:07,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-08-29 03:12:07,787 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:07,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:07,788 INFO L82 PathProgramCache]: Analyzing trace with hash -605199811, now seen corresponding path program 1 times [2021-08-29 03:12:07,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:07,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986392169] [2021-08-29 03:12:07,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:07,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:07,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:07,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986392169] [2021-08-29 03:12:07,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986392169] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:07,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:07,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-29 03:12:07,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877862148] [2021-08-29 03:12:07,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-29 03:12:07,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:07,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-29 03:12:07,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-29 03:12:07,821 INFO L87 Difference]: Start difference. First operand 335 states and 403 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:08,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:08,555 INFO L93 Difference]: Finished difference Result 464 states and 551 transitions. [2021-08-29 03:12:08,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-29 03:12:08,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2021-08-29 03:12:08,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:08,557 INFO L225 Difference]: With dead ends: 464 [2021-08-29 03:12:08,557 INFO L226 Difference]: Without dead ends: 446 [2021-08-29 03:12:08,557 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.23ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-08-29 03:12:08,558 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 337 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 2060 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 531.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 2067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.53ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2060 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 662.30ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:08,558 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 0 Invalid, 2067 Unknown, 0 Unchecked, 2.53ms Time], IncrementalHoareTripleChecker [7 Valid, 2060 Invalid, 0 Unknown, 0 Unchecked, 662.30ms Time] [2021-08-29 03:12:08,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-08-29 03:12:08,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 329. [2021-08-29 03:12:08,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 326 states have (on average 1.2147239263803682) internal successors, (396), 328 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:08,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 396 transitions. [2021-08-29 03:12:08,577 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 396 transitions. Word has length 52 [2021-08-29 03:12:08,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:08,578 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 396 transitions. [2021-08-29 03:12:08,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:08,578 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 396 transitions. [2021-08-29 03:12:08,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-08-29 03:12:08,579 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:08,579 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:08,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-08-29 03:12:08,579 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:08,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:08,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1054423066, now seen corresponding path program 1 times [2021-08-29 03:12:08,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:08,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222510212] [2021-08-29 03:12:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:08,580 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:12:08,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:12:08,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:12:08,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222510212] [2021-08-29 03:12:08,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222510212] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:12:08,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:12:08,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:12:08,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043841404] [2021-08-29 03:12:08,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:12:08,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:12:08,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:12:08,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:08,605 INFO L87 Difference]: Start difference. First operand 329 states and 396 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:08,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:12:08,864 INFO L93 Difference]: Finished difference Result 575 states and 698 transitions. [2021-08-29 03:12:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:12:08,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-08-29 03:12:08,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:12:08,865 INFO L225 Difference]: With dead ends: 575 [2021-08-29 03:12:08,865 INFO L226 Difference]: Without dead ends: 383 [2021-08-29 03:12:08,866 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.09ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:12:08,866 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 209 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 175.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.48ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 226.35ms IncrementalHoareTripleChecker+Time [2021-08-29 03:12:08,866 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 0 Invalid, 437 Unknown, 0 Unchecked, 0.48ms Time], IncrementalHoareTripleChecker [6 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 226.35ms Time] [2021-08-29 03:12:08,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2021-08-29 03:12:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 329. [2021-08-29 03:12:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 326 states have (on average 1.2024539877300613) internal successors, (392), 328 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 392 transitions. [2021-08-29 03:12:08,886 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 392 transitions. Word has length 54 [2021-08-29 03:12:08,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:12:08,886 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 392 transitions. [2021-08-29 03:12:08,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:12:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 392 transitions. [2021-08-29 03:12:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-08-29 03:12:08,887 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:12:08,887 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:12:08,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-08-29 03:12:08,888 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 38 more)] === [2021-08-29 03:12:08,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:12:08,888 INFO L82 PathProgramCache]: Analyzing trace with hash 273758220, now seen corresponding path program 1 times [2021-08-29 03:12:08,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:12:08,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051084875] [2021-08-29 03:12:08,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:12:08,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:12:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 03:12:08,898 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 03:12:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 03:12:08,932 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 03:12:08,932 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 03:12:08,933 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONERROR_FUNCTION (40 of 41 remaining) [2021-08-29 03:12:08,934 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (39 of 41 remaining) [2021-08-29 03:12:08,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (38 of 41 remaining) [2021-08-29 03:12:08,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (37 of 41 remaining) [2021-08-29 03:12:08,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (36 of 41 remaining) [2021-08-29 03:12:08,935 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (35 of 41 remaining) [2021-08-29 03:12:08,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (34 of 41 remaining) [2021-08-29 03:12:08,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (33 of 41 remaining) [2021-08-29 03:12:08,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (32 of 41 remaining) [2021-08-29 03:12:08,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (31 of 41 remaining) [2021-08-29 03:12:08,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (30 of 41 remaining) [2021-08-29 03:12:08,936 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (29 of 41 remaining) [2021-08-29 03:12:08,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (28 of 41 remaining) [2021-08-29 03:12:08,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (27 of 41 remaining) [2021-08-29 03:12:08,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (26 of 41 remaining) [2021-08-29 03:12:08,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (25 of 41 remaining) [2021-08-29 03:12:08,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (24 of 41 remaining) [2021-08-29 03:12:08,937 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION (23 of 41 remaining) [2021-08-29 03:12:08,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION (22 of 41 remaining) [2021-08-29 03:12:08,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION (21 of 41 remaining) [2021-08-29 03:12:08,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION (20 of 41 remaining) [2021-08-29 03:12:08,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION (19 of 41 remaining) [2021-08-29 03:12:08,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION (18 of 41 remaining) [2021-08-29 03:12:08,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION (17 of 41 remaining) [2021-08-29 03:12:08,938 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONERROR_FUNCTION (16 of 41 remaining) [2021-08-29 03:12:08,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONERROR_FUNCTION (15 of 41 remaining) [2021-08-29 03:12:08,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONERROR_FUNCTION (14 of 41 remaining) [2021-08-29 03:12:08,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONERROR_FUNCTION (13 of 41 remaining) [2021-08-29 03:12:08,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONERROR_FUNCTION (12 of 41 remaining) [2021-08-29 03:12:08,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONERROR_FUNCTION (11 of 41 remaining) [2021-08-29 03:12:08,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONERROR_FUNCTION (10 of 41 remaining) [2021-08-29 03:12:08,939 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONERROR_FUNCTION (9 of 41 remaining) [2021-08-29 03:12:08,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONERROR_FUNCTION (8 of 41 remaining) [2021-08-29 03:12:08,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION (7 of 41 remaining) [2021-08-29 03:12:08,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONERROR_FUNCTION (6 of 41 remaining) [2021-08-29 03:12:08,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONERROR_FUNCTION (5 of 41 remaining) [2021-08-29 03:12:08,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONERROR_FUNCTION (4 of 41 remaining) [2021-08-29 03:12:08,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONERROR_FUNCTION (3 of 41 remaining) [2021-08-29 03:12:08,940 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONERROR_FUNCTION (2 of 41 remaining) [2021-08-29 03:12:08,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONERROR_FUNCTION (1 of 41 remaining) [2021-08-29 03:12:08,941 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONERROR_FUNCTION (0 of 41 remaining) [2021-08-29 03:12:08,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-08-29 03:12:08,946 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:12:09,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:12:09 BoogieIcfgContainer [2021-08-29 03:12:09,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:12:09,004 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:12:09,004 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:12:09,004 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:12:09,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:11:48" (3/4) ... [2021-08-29 03:12:09,006 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 03:12:09,058 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:12:09,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:12:09,058 INFO L158 Benchmark]: Toolchain (without parser) took 22117.00ms. Allocated memory was 50.3MB in the beginning and 285.2MB in the end (delta: 234.9MB). Free memory was 25.7MB in the beginning and 141.4MB in the end (delta: -115.7MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. [2021-08-29 03:12:09,058 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:12:09,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.22ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 41.9MB in the end (delta: -16.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-08-29 03:12:09,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.49ms. Allocated memory is still 67.1MB. Free memory was 41.7MB in the beginning and 47.5MB in the end (delta: -5.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-08-29 03:12:09,059 INFO L158 Benchmark]: Boogie Preprocessor took 106.42ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 42.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 03:12:09,059 INFO L158 Benchmark]: RCFGBuilder took 586.32ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 28.7MB in the end (delta: 13.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-08-29 03:12:09,059 INFO L158 Benchmark]: TraceAbstraction took 20701.34ms. Allocated memory was 67.1MB in the beginning and 285.2MB in the end (delta: 218.1MB). Free memory was 28.1MB in the beginning and 158.2MB in the end (delta: -130.1MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-08-29 03:12:09,060 INFO L158 Benchmark]: Witness Printer took 54.08ms. Allocated memory is still 285.2MB. Free memory was 158.2MB in the beginning and 141.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-29 03:12:09,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory was 32.0MB in the beginning and 32.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.22ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 25.5MB in the beginning and 41.9MB in the end (delta: -16.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.49ms. Allocated memory is still 67.1MB. Free memory was 41.7MB in the beginning and 47.5MB in the end (delta: -5.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.42ms. Allocated memory is still 67.1MB. Free memory was 47.5MB in the beginning and 42.6MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 586.32ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 28.7MB in the end (delta: 13.9MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * TraceAbstraction took 20701.34ms. Allocated memory was 67.1MB in the beginning and 285.2MB in the end (delta: 218.1MB). Free memory was 28.1MB in the beginning and 158.2MB in the end (delta: -130.1MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. * Witness Printer took 54.08ms. Allocated memory is still 285.2MB. Free memory was 158.2MB in the beginning and 141.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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; VAL [compRegistered=0, customIrp=0, DC=0, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=0, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=0, MPR3=0, myStatus=0, NP=0, PagingMutex=0, PagingReferenceCount=0, pended=0, s=0, setEventCalled=0, SKIP1=0, SKIP2=0, Suspended=0, UNLOADED=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 VAL [compRegistered=0, customIrp=0, DC=2, DiskController=0, Executive=0, FlConfigCallBack=0, FloppyDiskPeripheral=0, FloppyThread=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MaximumInterfaceType=0, MOUNTDEV_MOUNTED_DEVICE_GUID=0, MPR1=5, MPR3=6, myStatus=0, NP=1, PagingMutex=0, PagingReferenceCount=0, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L719] COND TRUE irp_choice == 0 [L720] pirp__IoStatus__Status = -1073741637 [L721] myStatus = -1073741637 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] [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 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] [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 ++ 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] [L196] COND TRUE PagingReferenceCount == 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=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [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 TRUE tmp_ndt_8 == 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=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L1064] return (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=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=0] [L268] COND TRUE disketteExtension__FloppyThread != 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=1, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=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 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] [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); 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] [L284] ntStatus = IofCallDriver(disketteExtension__TargetObject, Irp) [L430] PagingReferenceCount -- 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] [L431] COND TRUE PagingReferenceCount == 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=1, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, Suspended=0, UNLOADED=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] - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 421 locations, 41 error locations. Started 1 CEGAR loops. OverallTime: 20597.57ms, OverallIterations: 37, TraceHistogramMax: 1, EmptinessCheckTime: 29.34ms, AutomataDifference: 18257.19ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 0.00ms, InitialAbstractionConstructionTime: 11.13ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11084 SdHoareTripleChecker+Valid, 16556.14ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11084 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 12966.33ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19554 mSDsCounter, 405 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38392 IncrementalHoareTripleChecker+Invalid, 38797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 405 mSolverCounterUnsat, 0 mSDtfsCounter, 38392 mSolverCounterSat, 65.88ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 184 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 336.68ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=600occurred in iteration=20, InterpolantAutomatonStates: 155, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 760.82ms AutomataMinimizationTime, 36 MinimizatonAttempts, 2440 StatesRemovedByMinimization, 31 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 89.33ms SsaConstructionTime, 269.07ms SatisfiabilityAnalysisTime, 860.07ms InterpolantComputationTime, 1208 NumberOfCodeBlocks, 1208 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1117 ConstructedInterpolants, 0 QuantifiedInterpolants, 2752 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 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! [2021-08-29 03:12:09,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...