./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4bf978f501147b566a0f6f3e817c934f24352e71 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 18:00:59,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:00:59,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:00:59,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:00:59,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:00:59,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:00:59,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:00:59,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:00:59,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:00:59,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:00:59,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:00:59,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:00:59,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:00:59,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:00:59,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:00:59,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:00:59,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:00:59,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:00:59,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:00:59,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:00:59,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:00:59,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:00:59,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:00:59,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:00:59,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:00:59,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:00:59,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:00:59,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:00:59,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:00:59,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:00:59,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:00:59,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:00:59,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:00:59,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:00:59,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:00:59,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:00:59,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:00:59,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:00:59,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:00:59,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:00:59,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:00:59,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:00:59,384 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:00:59,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:00:59,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:00:59,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:00:59,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:00:59,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:00:59,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:00:59,387 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:00:59,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:00:59,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:00:59,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:00:59,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:00:59,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:00:59,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:00:59,389 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:00:59,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:00:59,389 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:00:59,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:00:59,390 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:00:59,390 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:00:59,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:00:59,390 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:00:59,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:00:59,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:00:59,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:00:59,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:00:59,392 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:00:59,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:00:59,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:00:59,392 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:/tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bf978f501147b566a0f6f3e817c934f24352e71 [2020-12-01 18:00:59,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:00:59,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:00:59,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:00:59,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:00:59,750 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:00:59,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/../../sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-12-01 18:00:59,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/data/b685eeb1a/0c3e115d44dd431d934fee6a7e2320dd/FLAG73cc2665c [2020-12-01 18:01:00,425 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:01:00,425 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/sv-benchmarks/c/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-12-01 18:01:00,447 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/data/b685eeb1a/0c3e115d44dd431d934fee6a7e2320dd/FLAG73cc2665c [2020-12-01 18:01:00,736 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/data/b685eeb1a/0c3e115d44dd431d934fee6a7e2320dd [2020-12-01 18:01:00,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:01:00,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:01:00,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:01:00,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:01:00,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:01:00,747 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:01:00" (1/1) ... [2020-12-01 18:01:00,749 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f605088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:00, skipping insertion in model container [2020-12-01 18:01:00,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:01:00" (1/1) ... [2020-12-01 18:01:00,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:01:00,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:01:01,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:01:01,191 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:01:01,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:01:01,290 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:01:01,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01 WrapperNode [2020-12-01 18:01:01,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:01:01,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:01:01,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:01:01,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:01:01,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,315 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:01:01,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:01:01,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:01:01,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:01:01,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,399 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... [2020-12-01 18:01:01,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:01:01,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:01:01,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:01:01,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:01:01,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:01:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:01:01,508 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-12-01 18:01:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-12-01 18:01:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:01:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-12-01 18:01:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-12-01 18:01:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-12-01 18:01:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-12-01 18:01:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-12-01 18:01:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-12-01 18:01:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-12-01 18:01:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-12-01 18:01:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:01:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-12-01 18:01:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-12-01 18:01:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:01:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:01:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-12-01 18:01:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-12-01 18:01:01,955 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 18:01:01,962 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 18:01:01,966 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 18:01:01,974 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 18:01:01,978 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 18:01:02,473 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume !false; [2020-12-01 18:01:02,473 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##86: assume false; [2020-12-01 18:01:02,473 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##63: assume !false; [2020-12-01 18:01:02,474 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##62: assume false; [2020-12-01 18:01:02,474 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##129: assume false; [2020-12-01 18:01:02,474 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##130: assume !false; [2020-12-01 18:01:02,474 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-12-01 18:01:02,474 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-12-01 18:01:02,475 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##113: assume !false; [2020-12-01 18:01:02,475 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume false; [2020-12-01 18:01:02,524 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-01 18:01:02,553 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-12-01 18:01:02,553 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-12-01 18:01:03,225 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:01:03,225 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-12-01 18:01:03,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:01:03 BoogieIcfgContainer [2020-12-01 18:01:03,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:01:03,231 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:01:03,231 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:01:03,243 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:01:03,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:01:03" (1/1) ... [2020-12-01 18:01:03,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:01:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 139 states and 221 transitions. [2020-12-01 18:01:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 221 transitions. [2020-12-01 18:01:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:01:03,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 137 states and 204 transitions. [2020-12-01 18:01:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2020-12-01 18:01:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:01:03,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:03,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 136 states and 202 transitions. [2020-12-01 18:01:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 202 transitions. [2020-12-01 18:01:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:01:03,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:03,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:03,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 136 states and 201 transitions. [2020-12-01 18:01:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 201 transitions. [2020-12-01 18:01:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:01:03,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:03,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 135 states and 199 transitions. [2020-12-01 18:01:04,018 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 199 transitions. [2020-12-01 18:01:04,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:01:04,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 134 states and 197 transitions. [2020-12-01 18:01:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 197 transitions. [2020-12-01 18:01:04,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:01:04,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 141 states and 207 transitions. [2020-12-01 18:01:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 207 transitions. [2020-12-01 18:01:04,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:01:04,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 142 states and 208 transitions. [2020-12-01 18:01:04,311 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 208 transitions. [2020-12-01 18:01:04,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:01:04,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 141 states and 206 transitions. [2020-12-01 18:01:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 206 transitions. [2020-12-01 18:01:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:01:04,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 140 states and 204 transitions. [2020-12-01 18:01:04,425 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 204 transitions. [2020-12-01 18:01:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:01:04,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 141 states and 204 transitions. [2020-12-01 18:01:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 204 transitions. [2020-12-01 18:01:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:01:04,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 134 states and 194 transitions. [2020-12-01 18:01:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 194 transitions. [2020-12-01 18:01:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:01:04,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 138 states and 207 transitions. [2020-12-01 18:01:04,619 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 207 transitions. [2020-12-01 18:01:04,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:01:04,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 139 states and 207 transitions. [2020-12-01 18:01:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 207 transitions. [2020-12-01 18:01:04,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:01:04,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 139 states and 206 transitions. [2020-12-01 18:01:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 206 transitions. [2020-12-01 18:01:04,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:01:04,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 139 states and 205 transitions. [2020-12-01 18:01:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 205 transitions. [2020-12-01 18:01:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 18:01:04,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 143 states and 212 transitions. [2020-12-01 18:01:04,874 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 212 transitions. [2020-12-01 18:01:04,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:01:04,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 144 states and 219 transitions. [2020-12-01 18:01:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 219 transitions. [2020-12-01 18:01:05,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 18:01:05,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 144 states and 218 transitions. [2020-12-01 18:01:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 218 transitions. [2020-12-01 18:01:05,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:01:05,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 135 states and 201 transitions. [2020-12-01 18:01:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2020-12-01 18:01:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:01:05,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 135 states and 199 transitions. [2020-12-01 18:01:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 199 transitions. [2020-12-01 18:01:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:01:05,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 205 transitions. [2020-12-01 18:01:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 205 transitions. [2020-12-01 18:01:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 18:01:05,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 143 states and 218 transitions. [2020-12-01 18:01:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 218 transitions. [2020-12-01 18:01:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:01:05,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 143 states and 217 transitions. [2020-12-01 18:01:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 217 transitions. [2020-12-01 18:01:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:01:05,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 143 states and 216 transitions. [2020-12-01 18:01:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 216 transitions. [2020-12-01 18:01:05,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:01:05,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 143 states and 215 transitions. [2020-12-01 18:01:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 215 transitions. [2020-12-01 18:01:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:01:05,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:05,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 145 states and 218 transitions. [2020-12-01 18:01:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 218 transitions. [2020-12-01 18:01:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:01:05,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 152 states and 232 transitions. [2020-12-01 18:01:06,263 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 232 transitions. [2020-12-01 18:01:06,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:01:06,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 152 states and 229 transitions. [2020-12-01 18:01:06,357 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 229 transitions. [2020-12-01 18:01:06,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:01:06,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 161 states and 244 transitions. [2020-12-01 18:01:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 244 transitions. [2020-12-01 18:01:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:01:06,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 162 states and 245 transitions. [2020-12-01 18:01:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 245 transitions. [2020-12-01 18:01:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:01:06,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 162 states and 243 transitions. [2020-12-01 18:01:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2020-12-01 18:01:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:01:06,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 162 states and 240 transitions. [2020-12-01 18:01:06,723 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 240 transitions. [2020-12-01 18:01:06,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:01:06,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 162 states and 239 transitions. [2020-12-01 18:01:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 239 transitions. [2020-12-01 18:01:06,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 18:01:06,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 160 states and 236 transitions. [2020-12-01 18:01:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 236 transitions. [2020-12-01 18:01:06,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 18:01:06,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 160 states and 234 transitions. [2020-12-01 18:01:06,881 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 234 transitions. [2020-12-01 18:01:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:01:06,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 161 states and 234 transitions. [2020-12-01 18:01:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 234 transitions. [2020-12-01 18:01:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:01:06,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:06,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:06,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 154 states and 223 transitions. [2020-12-01 18:01:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 223 transitions. [2020-12-01 18:01:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:01:06,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 154 states and 222 transitions. [2020-12-01 18:01:07,029 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 222 transitions. [2020-12-01 18:01:07,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:01:07,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:07,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 154 states and 221 transitions. [2020-12-01 18:01:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 221 transitions. [2020-12-01 18:01:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:01:07,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:07,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 154 states and 219 transitions. [2020-12-01 18:01:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 219 transitions. [2020-12-01 18:01:07,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 18:01:07,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 154 states and 218 transitions. [2020-12-01 18:01:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 218 transitions. [2020-12-01 18:01:07,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:01:07,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 156 states and 220 transitions. [2020-12-01 18:01:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 220 transitions. [2020-12-01 18:01:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:01:08,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:08,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:08,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 158 states and 232 transitions. [2020-12-01 18:01:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 232 transitions. [2020-12-01 18:01:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:01:08,342 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:08,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:08,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 156 states and 228 transitions. [2020-12-01 18:01:08,369 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 228 transitions. [2020-12-01 18:01:08,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:01:08,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:08,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 151 states and 222 transitions. [2020-12-01 18:01:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2020-12-01 18:01:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 18:01:08,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:08,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 152 states and 223 transitions. [2020-12-01 18:01:08,722 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 223 transitions. [2020-12-01 18:01:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 18:01:08,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:08,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 157 states and 233 transitions. [2020-12-01 18:01:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 233 transitions. [2020-12-01 18:01:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:01:08,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 230 transitions. [2020-12-01 18:01:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 230 transitions. [2020-12-01 18:01:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:01:08,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 164 states and 250 transitions. [2020-12-01 18:01:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 250 transitions. [2020-12-01 18:01:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 18:01:09,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:09,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:09,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 165 states and 251 transitions. [2020-12-01 18:01:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 251 transitions. [2020-12-01 18:01:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:01:09,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 165 states and 250 transitions. [2020-12-01 18:01:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2020-12-01 18:01:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:01:09,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:09,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:09,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 166 states and 251 transitions. [2020-12-01 18:01:09,573 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 251 transitions. [2020-12-01 18:01:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:01:09,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:09,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:09,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:09,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 167 states and 252 transitions. [2020-12-01 18:01:09,607 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 252 transitions. [2020-12-01 18:01:09,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 18:01:09,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:11,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 169 states and 259 transitions. [2020-12-01 18:01:11,057 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 259 transitions. [2020-12-01 18:01:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:01:11,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 172 states and 262 transitions. [2020-12-01 18:01:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 262 transitions. [2020-12-01 18:01:11,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:11,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:11,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 172 states and 261 transitions. [2020-12-01 18:01:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 261 transitions. [2020-12-01 18:01:11,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:01:11,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:11,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:11,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 171 states and 259 transitions. [2020-12-01 18:01:11,780 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 259 transitions. [2020-12-01 18:01:11,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 18:01:11,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 173 states and 262 transitions. [2020-12-01 18:01:12,462 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 262 transitions. [2020-12-01 18:01:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 18:01:12,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:12,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:12,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 179 states and 279 transitions. [2020-12-01 18:01:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 279 transitions. [2020-12-01 18:01:12,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:01:12,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 179 states and 278 transitions. [2020-12-01 18:01:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 278 transitions. [2020-12-01 18:01:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:01:12,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:12,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 181 states and 281 transitions. [2020-12-01 18:01:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 281 transitions. [2020-12-01 18:01:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:12,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:14,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:14,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 181 states and 279 transitions. [2020-12-01 18:01:14,086 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 279 transitions. [2020-12-01 18:01:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:01:14,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:14,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 185 states and 296 transitions. [2020-12-01 18:01:15,262 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 296 transitions. [2020-12-01 18:01:15,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:01:15,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:15,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 186 states and 297 transitions. [2020-12-01 18:01:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 297 transitions. [2020-12-01 18:01:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:01:15,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:15,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:15,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 187 states and 301 transitions. [2020-12-01 18:01:15,657 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 301 transitions. [2020-12-01 18:01:15,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:01:15,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:15,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 187 states and 300 transitions. [2020-12-01 18:01:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 300 transitions. [2020-12-01 18:01:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:01:15,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:15,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 187 states and 299 transitions. [2020-12-01 18:01:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 299 transitions. [2020-12-01 18:01:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 18:01:15,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:16,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 191 states and 313 transitions. [2020-12-01 18:01:16,944 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 313 transitions. [2020-12-01 18:01:16,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:16,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:16,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:16,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 191 states and 312 transitions. [2020-12-01 18:01:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 312 transitions. [2020-12-01 18:01:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 18:01:16,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:17,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 191 states and 311 transitions. [2020-12-01 18:01:17,023 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 311 transitions. [2020-12-01 18:01:17,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:17,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:17,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:18,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 192 states and 314 transitions. [2020-12-01 18:01:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 314 transitions. [2020-12-01 18:01:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:18,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:18,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:18,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 313 transitions. [2020-12-01 18:01:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 313 transitions. [2020-12-01 18:01:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 18:01:18,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:18,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 192 states and 312 transitions. [2020-12-01 18:01:18,705 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 312 transitions. [2020-12-01 18:01:18,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:01:18,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:18,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:18,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 192 states and 311 transitions. [2020-12-01 18:01:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 311 transitions. [2020-12-01 18:01:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:01:18,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:18,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 192 states and 310 transitions. [2020-12-01 18:01:18,985 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 310 transitions. [2020-12-01 18:01:18,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:01:18,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:19,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:23,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:23,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 194 states and 317 transitions. [2020-12-01 18:01:23,067 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 317 transitions. [2020-12-01 18:01:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 18:01:23,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:23,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:23,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 196 states and 321 transitions. [2020-12-01 18:01:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 321 transitions. [2020-12-01 18:01:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:01:23,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:24,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 197 states and 324 transitions. [2020-12-01 18:01:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 324 transitions. [2020-12-01 18:01:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:01:24,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 197 states and 323 transitions. [2020-12-01 18:01:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 323 transitions. [2020-12-01 18:01:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 18:01:25,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:29,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:29,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 200 states and 335 transitions. [2020-12-01 18:01:29,197 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 335 transitions. [2020-12-01 18:01:29,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:01:29,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:29,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:30,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 204 states and 357 transitions. [2020-12-01 18:01:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 357 transitions. [2020-12-01 18:01:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 18:01:30,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:30,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 205 states and 358 transitions. [2020-12-01 18:01:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 358 transitions. [2020-12-01 18:01:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 18:01:31,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:31,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:31,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:31,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 204 states and 355 transitions. [2020-12-01 18:01:31,413 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 355 transitions. [2020-12-01 18:01:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:01:31,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:31,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:31,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 204 states and 354 transitions. [2020-12-01 18:01:31,976 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 354 transitions. [2020-12-01 18:01:31,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 18:01:31,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:32,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 205 states and 360 transitions. [2020-12-01 18:01:32,582 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 360 transitions. [2020-12-01 18:01:32,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:01:32,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 182 states and 316 transitions. [2020-12-01 18:01:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 316 transitions. [2020-12-01 18:01:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 18:01:32,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:35,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 188 states and 325 transitions. [2020-12-01 18:01:35,010 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 325 transitions. [2020-12-01 18:01:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:01:35,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:01:35,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:01:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:01:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 188 states and 324 transitions. [2020-12-01 18:01:36,060 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 324 transitions. [2020-12-01 18:01:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 18:01:36,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:01:36,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:36,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:36,092 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:36,196 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:01:36,228 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:01:37,812 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 89 iterations. [2020-12-01 18:01:37,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:01:37 ImpRootNode [2020-12-01 18:01:37,929 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:01:37,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:01:37,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:01:37,931 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:01:37,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:01:03" (3/4) ... [2020-12-01 18:01:37,933 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:01:38,109 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a06a1f11-2f64-4371-901f-0318d2c4cf9e/bin/ukojak/witness.graphml [2020-12-01 18:01:38,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:01:38,115 INFO L168 Benchmark]: Toolchain (without parser) took 37373.31 ms. Allocated memory was 107.0 MB in the beginning and 524.3 MB in the end (delta: 417.3 MB). Free memory was 79.9 MB in the beginning and 313.1 MB in the end (delta: -233.3 MB). Peak memory consumption was 185.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:38,116 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 107.0 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:01:38,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.25 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 74.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:38,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.68 ms. Allocated memory is still 107.0 MB. Free memory was 74.8 MB in the beginning and 71.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:38,122 INFO L168 Benchmark]: Boogie Preprocessor took 48.19 ms. Allocated memory is still 107.0 MB. Free memory was 71.2 MB in the beginning and 68.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:38,122 INFO L168 Benchmark]: RCFGBuilder took 1810.58 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 68.5 MB in the beginning and 88.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:38,123 INFO L168 Benchmark]: CodeCheck took 34699.01 ms. Allocated memory was 134.2 MB in the beginning and 524.3 MB in the end (delta: 390.1 MB). Free memory was 88.9 MB in the beginning and 321.5 MB in the end (delta: -232.7 MB). Peak memory consumption was 157.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:38,123 INFO L168 Benchmark]: Witness Printer took 182.66 ms. Allocated memory is still 524.3 MB. Free memory was 321.5 MB in the beginning and 313.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:01:38,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 8 procedures, 139 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 34.5s, OverallIterations: 89, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -642182632 SDtfs, -400330216 SDslu, 172289988 SDs, 0 SdLazy, 1545967692 SolverSat, 987837000 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23115 GetRequests, 22695 SyntacticMatches, 96 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43147 ImplicationChecksByTransitivity, 26.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 2187 NumberOfCodeBlocks, 2187 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 2067 ConstructedInterpolants, 0 QuantifiedInterpolants, 128283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 88 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] int KernelMode ; [L24] int Executive ; [L25] int DevicePowerState ; [L26] int s ; [L27] int UNLOADED ; [L28] int NP ; [L29] int DC ; [L30] int SKIP1 ; [L31] int SKIP2 ; [L32] int MPR1 ; [L33] int MPR3 ; [L34] int IPC ; [L35] int pended ; [L36] int compFptr ; [L37] int compRegistered ; [L38] int lowerDriverReturn ; [L39] int setEventCalled ; [L40] int customIrp ; [L41] int myStatus ; [L294] int status ; [L295] int irp = __VERIFIER_nondet_int() ; [L296] int pirp ; [L297] int pirp__IoStatus__Status ; [L298] int irp_choice = __VERIFIER_nondet_int() ; [L299] int devobj = __VERIFIER_nondet_int() ; [L300] int __cil_tmp8 ; [L302] KernelMode = 0 [L303] Executive = 0 [L304] DevicePowerState = 1 [L305] s = 0 [L306] UNLOADED = 0 [L307] NP = 0 [L308] DC = 0 [L309] SKIP1 = 0 [L310] SKIP2 = 0 [L311] MPR1 = 0 [L312] MPR3 = 0 [L313] IPC = 0 [L314] pended = 0 [L315] compFptr = 0 [L316] compRegistered = 0 [L317] lowerDriverReturn = 0 [L318] setEventCalled = 0 [L319] customIrp = 0 [L320] myStatus = 0 [L324] status = 0 [L325] pirp = irp [L61] UNLOADED = 0 [L62] NP = 1 [L63] DC = 2 [L64] SKIP1 = 3 [L65] SKIP2 = 4 [L66] MPR1 = 5 [L67] MPR3 = 6 [L68] IPC = 7 [L69] s = UNLOADED [L70] pended = 0 [L71] compFptr = 0 [L72] compRegistered = 0 [L73] lowerDriverReturn = 0 [L74] setEventCalled = 0 [L75] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=0, NP=1, pended=0, s=0, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L328] COND TRUE status >= 0 [L329] s = NP [L330] customIrp = 0 [L331] setEventCalled = customIrp [L332] lowerDriverReturn = setEventCalled [L333] compRegistered = lowerDriverReturn [L334] pended = compRegistered [L335] pirp__IoStatus__Status = 0 [L336] myStatus = 0 [L337] COND TRUE irp_choice == 0 [L338] pirp__IoStatus__Status = -1073741637 [L339] myStatus = -1073741637 [L47] s = NP [L48] pended = 0 [L49] compFptr = 0 [L50] compRegistered = 0 [L51] lowerDriverReturn = 0 [L52] setEventCalled = 0 [L53] customIrp = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L345] COND FALSE !(status < 0) [L349] int tmp_ndt_1; [L350] tmp_ndt_1 = __VERIFIER_nondet_int() [L351] COND FALSE !(tmp_ndt_1 == 0) [L354] int tmp_ndt_2; [L355] tmp_ndt_2 = __VERIFIER_nondet_int() [L356] COND FALSE !(tmp_ndt_2 == 1) [L359] int tmp_ndt_3; [L360] tmp_ndt_3 = __VERIFIER_nondet_int() [L361] COND TRUE tmp_ndt_3 == 3 [L80] int devExt ; [L81] int irpStack ; [L82] int status ; [L83] int event = __VERIFIER_nondet_int() ; [L84] int DeviceObject__DeviceExtension = __VERIFIER_nondet_int() ; [L85] int Irp__Tail__Overlay__CurrentStackLocation = __VERIFIER_nondet_int() ; [L86] int irpStack__MinorFunction = __VERIFIER_nondet_int() ; [L87] int devExt__TopOfStack = __VERIFIER_nondet_int() ; [L88] int devExt__Started ; [L89] int devExt__Removed ; [L90] int devExt__SurpriseRemoved ; [L91] int Irp__IoStatus__Status ; [L92] int Irp__IoStatus__Information ; [L93] int Irp__CurrentLocation = __VERIFIER_nondet_int() ; [L94] int irpSp ; [L95] int nextIrpSp ; [L96] int nextIrpSp__Control ; [L97] int irpSp___0 ; [L98] int irpSp__Context ; [L99] int irpSp__Control ; [L100] long __cil_tmp23 ; [L103] status = 0 [L104] devExt = DeviceObject__DeviceExtension [L105] irpStack = Irp__Tail__Overlay__CurrentStackLocation VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L106] COND FALSE !(irpStack__MinorFunction == 0) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L109] COND FALSE !(irpStack__MinorFunction == 23) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L112] COND TRUE irpStack__MinorFunction == 2 [L236] devExt__Removed = 1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=1, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L237] COND TRUE s == NP [L238] s = SKIP1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L245] Irp__CurrentLocation ++ [L246] Irp__Tail__Overlay__CurrentStackLocation ++ VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L247] CALL IofCallDriver(devExt__TopOfStack, Irp) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L483] int returnVal2 ; [L484] int compRetStatus ; [L485] int lcontext = __VERIFIER_nondet_int() ; [L486] long long __cil_tmp7 ; VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L489] COND FALSE !(\read(compRegistered)) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L502] int tmp_ndt_6; [L503] tmp_ndt_6 = __VERIFIER_nondet_int() [L504] COND FALSE !(tmp_ndt_6 == 0) [L507] int tmp_ndt_7; [L508] tmp_ndt_7 = __VERIFIER_nondet_int() [L509] COND TRUE tmp_ndt_7 == 1 [L518] returnVal2 = -1073741823 VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, __VERIFIER_nondet_int()=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=1, UNLOADED=0] [L528] COND FALSE !(s == NP) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, __VERIFIER_nondet_int()=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=1, UNLOADED=0] [L532] COND FALSE !(s == MPR1) VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, __VERIFIER_nondet_int()=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=0, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=3, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=1, UNLOADED=0] [L541] COND TRUE s == SKIP1 [L542] s = SKIP2 [L543] lowerDriverReturn = returnVal2 VAL [\old(DeviceObject)=0, \old(Irp)=0, \old(lowerDriverReturn)=0, \old(s)=3, \old(setEventCalled)=0, __VERIFIER_nondet_int()=0, compFptr=0, compRegistered=0, customIrp=0, DC=2, DeviceObject=0, DevicePowerState=1, Executive=0, IPC=7, Irp=0, KernelMode=0, lcontext=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, returnVal2=-1073741823, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, tmp_ndt_6=-1, tmp_ndt_7=1, UNLOADED=0] [L551] return (returnVal2); [L247] RET IofCallDriver(devExt__TopOfStack, Irp) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L248] status = 0 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L290] return (status); [L388] status = KbFilter_PnP(devobj, pirp) [L412] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L420] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L428] COND TRUE s != UNLOADED VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L429] COND TRUE status != -1 VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L430] COND FALSE !(s != SKIP2) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L440] COND FALSE !(pended == 1) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L447] COND FALSE !(s == DC) VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L452] COND TRUE status != lowerDriverReturn VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L453] CALL errorFn() VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] [L3] __assert_fail("0", "kbfiltr_simpl2.cil-2.c", 3, "reach_error") VAL [compFptr=0, compRegistered=0, customIrp=0, DC=2, DevicePowerState=1, Executive=0, IPC=7, KernelMode=0, lowerDriverReturn=-1073741823, MPR1=5, MPR3=6, myStatus=-1073741637, NP=1, pended=0, s=4, setEventCalled=0, SKIP1=3, SKIP2=4, UNLOADED=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 107.0 MB. Free memory was 64.5 MB in the beginning and 64.5 MB in the end (delta: 52.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 549.25 ms. Allocated memory is still 107.0 MB. Free memory was 79.7 MB in the beginning and 74.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.68 ms. Allocated memory is still 107.0 MB. Free memory was 74.8 MB in the beginning and 71.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.19 ms. Allocated memory is still 107.0 MB. Free memory was 71.2 MB in the beginning and 68.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1810.58 ms. Allocated memory was 107.0 MB in the beginning and 134.2 MB in the end (delta: 27.3 MB). Free memory was 68.5 MB in the beginning and 88.9 MB in the end (delta: -20.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 16.1 GB. * CodeCheck took 34699.01 ms. Allocated memory was 134.2 MB in the beginning and 524.3 MB in the end (delta: 390.1 MB). Free memory was 88.9 MB in the beginning and 321.5 MB in the end (delta: -232.7 MB). Peak memory consumption was 157.4 MB. Max. memory is 16.1 GB. * Witness Printer took 182.66 ms. Allocated memory is still 524.3 MB. Free memory was 321.5 MB in the beginning and 313.1 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...