./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 353490363c837b8f66c0178023b6548f886ada5f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i -s /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 353490363c837b8f66c0178023b6548f886ada5f .......................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:43:47,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:43:47,305 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:43:47,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:43:47,311 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:43:47,312 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:43:47,312 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:43:47,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:43:47,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:43:47,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:43:47,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:43:47,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:43:47,316 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:43:47,316 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:43:47,317 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:43:47,317 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:43:47,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:43:47,318 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:43:47,319 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:43:47,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:43:47,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:43:47,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:43:47,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:43:47,322 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:43:47,322 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:43:47,323 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:43:47,323 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:43:47,324 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:43:47,324 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:43:47,325 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:43:47,325 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:43:47,325 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:43:47,325 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:43:47,325 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:43:47,326 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:43:47,326 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:43:47,326 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2018-12-01 18:43:47,333 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:43:47,333 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:43:47,334 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:43:47,334 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:43:47,334 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:43:47,334 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:43:47,335 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:43:47,335 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:43:47,335 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:43:47,336 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:43:47,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:43:47,336 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 18:43:47,337 INFO L133 SettingsManager]: * To the following directory=dump/ 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/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/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(__VERIFIER_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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 353490363c837b8f66c0178023b6548f886ada5f [2018-12-01 18:43:47,353 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:43:47,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:43:47,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:43:47,362 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:43:47,362 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:43:47,363 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i [2018-12-01 18:43:47,398 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/578f3f5ce/6be680a90718485ab3adccaa05bc6a84/FLAGbac6870a6 [2018-12-01 18:43:47,882 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:43:47,882 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i [2018-12-01 18:43:47,895 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/578f3f5ce/6be680a90718485ab3adccaa05bc6a84/FLAGbac6870a6 [2018-12-01 18:43:47,904 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/578f3f5ce/6be680a90718485ab3adccaa05bc6a84 [2018-12-01 18:43:47,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:43:47,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:43:47,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:43:47,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:43:47,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:43:47,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:43:47" (1/1) ... [2018-12-01 18:43:47,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a8497c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:47, skipping insertion in model container [2018-12-01 18:43:47,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:43:47" (1/1) ... [2018-12-01 18:43:47,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:43:47,954 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:43:48,525 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:43:48,555 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:43:48,679 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:43:48,730 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:43:48,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48 WrapperNode [2018-12-01 18:43:48,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:43:48,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:43:48,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:43:48,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:43:48,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:43:48,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:43:48,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:43:48,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:43:48,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... [2018-12-01 18:43:48,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:43:48,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:43:48,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:43:48,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:43:48,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:43:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/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 [2018-12-01 18:43:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-12-01 18:43:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2018-12-01 18:43:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2018-12-01 18:43:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2018-12-01 18:43:48,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2018-12-01 18:43:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2018-12-01 18:43:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2018-12-01 18:43:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure imon_init [2018-12-01 18:43:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_init [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2018-12-01 18:43:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_external_alloc [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2018-12-01 18:43:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2018-12-01 18:43:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure imon_exit [2018-12-01 18:43:48,910 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_exit [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2018-12-01 18:43:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2018-12-01 18:43:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2018-12-01 18:43:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2018-12-01 18:43:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure free_imon_context [2018-12-01 18:43:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure free_imon_context [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2018-12-01 18:43:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2018-12-01 18:43:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure lirc_buffer_free [2018-12-01 18:43:48,911 INFO L138 BoogieDeclarations]: Found implementation of procedure lirc_buffer_free [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure deregister_from_lirc [2018-12-01 18:43:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure deregister_from_lirc [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2018-12-01 18:43:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2018-12-01 18:43:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2018-12-01 18:43:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2018-12-01 18:43:48,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2018-12-01 18:43:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2018-12-01 18:43:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2018-12-01 18:43:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2018-12-01 18:43:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2018-12-01 18:43:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2018-12-01 18:43:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2018-12-01 18:43:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2018-12-01 18:43:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2018-12-01 18:43:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:43:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2018-12-01 18:43:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2018-12-01 18:43:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:43:48,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:43:49,403 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-01 18:43:49,404 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-01 18:43:56,499 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:43:56,499 INFO L280 CfgBuilder]: Removed 83 assue(true) statements. [2018-12-01 18:43:56,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:43:56 BoogieIcfgContainer [2018-12-01 18:43:56,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:43:56,500 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 18:43:56,500 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 18:43:56,507 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 18:43:56,507 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:43:56" (1/1) ... [2018-12-01 18:43:56,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:43:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:43:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 222 states and 312 transitions. [2018-12-01 18:43:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 312 transitions. [2018-12-01 18:43:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 18:43:56,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:43:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:43:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:43:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:43:59,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 222 states and 309 transitions. [2018-12-01 18:43:59,024 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 309 transitions. [2018-12-01 18:43:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-01 18:43:59,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:43:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:43:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 224 states and 311 transitions. [2018-12-01 18:44:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 311 transitions. [2018-12-01 18:44:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 18:44:01,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 224 states and 310 transitions. [2018-12-01 18:44:01,549 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 310 transitions. [2018-12-01 18:44:01,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-01 18:44:01,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 228 states and 326 transitions. [2018-12-01 18:44:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 326 transitions. [2018-12-01 18:44:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-01 18:44:01,620 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 232 states and 342 transitions. [2018-12-01 18:44:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 342 transitions. [2018-12-01 18:44:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-01 18:44:01,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:01,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:01,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 237 states and 357 transitions. [2018-12-01 18:44:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 357 transitions. [2018-12-01 18:44:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 18:44:01,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:01,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 241 states and 364 transitions. [2018-12-01 18:44:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 364 transitions. [2018-12-01 18:44:02,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 18:44:02,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 242 states and 364 transitions. [2018-12-01 18:44:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 364 transitions. [2018-12-01 18:44:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 18:44:02,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 246 states and 371 transitions. [2018-12-01 18:44:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 371 transitions. [2018-12-01 18:44:02,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 18:44:02,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 248 states and 374 transitions. [2018-12-01 18:44:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 374 transitions. [2018-12-01 18:44:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 18:44:02,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 249 states and 375 transitions. [2018-12-01 18:44:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 375 transitions. [2018-12-01 18:44:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 18:44:02,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 251 states and 378 transitions. [2018-12-01 18:44:02,371 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 378 transitions. [2018-12-01 18:44:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 18:44:02,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 252 states and 379 transitions. [2018-12-01 18:44:02,438 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 379 transitions. [2018-12-01 18:44:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 18:44:02,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 253 states and 380 transitions. [2018-12-01 18:44:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 380 transitions. [2018-12-01 18:44:02,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 18:44:02,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-01 18:44:02,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 254 states and 381 transitions. [2018-12-01 18:44:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 381 transitions. [2018-12-01 18:44:02,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 18:44:02,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 18:44:02,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 256 states and 383 transitions. [2018-12-01 18:44:02,606 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 383 transitions. [2018-12-01 18:44:02,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 18:44:02,606 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 18:44:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 258 states and 385 transitions. [2018-12-01 18:44:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 385 transitions. [2018-12-01 18:44:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 18:44:02,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,705 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 18:44:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 259 states and 386 transitions. [2018-12-01 18:44:02,708 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 386 transitions. [2018-12-01 18:44:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 18:44:02,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 18:44:02,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 260 states and 386 transitions. [2018-12-01 18:44:02,762 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 386 transitions. [2018-12-01 18:44:02,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-01 18:44:02,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:02,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 261 states and 386 transitions. [2018-12-01 18:44:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 386 transitions. [2018-12-01 18:44:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-01 18:44:02,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:02,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:02,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 262 states and 387 transitions. [2018-12-01 18:44:02,942 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 387 transitions. [2018-12-01 18:44:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 18:44:02,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:03,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 277 states and 415 transitions. [2018-12-01 18:44:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 415 transitions. [2018-12-01 18:44:03,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 18:44:03,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 282 states and 419 transitions. [2018-12-01 18:44:03,218 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 419 transitions. [2018-12-01 18:44:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 18:44:03,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:44:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 297 states and 441 transitions. [2018-12-01 18:44:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 441 transitions. [2018-12-01 18:44:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:44:03,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 297 states and 440 transitions. [2018-12-01 18:44:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 440 transitions. [2018-12-01 18:44:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 18:44:03,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:03,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 298 states and 442 transitions. [2018-12-01 18:44:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 442 transitions. [2018-12-01 18:44:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 18:44:03,591 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,645 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 18:44:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 301 states and 451 transitions. [2018-12-01 18:44:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 451 transitions. [2018-12-01 18:44:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-01 18:44:03,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,758 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:03,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 302 states and 453 transitions. [2018-12-01 18:44:03,767 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 453 transitions. [2018-12-01 18:44:03,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:44:03,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 18:44:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 305 states and 462 transitions. [2018-12-01 18:44:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 462 transitions. [2018-12-01 18:44:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:44:03,872 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:44:03,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:03,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 307 states and 464 transitions. [2018-12-01 18:44:03,998 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 464 transitions. [2018-12-01 18:44:03,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 18:44:03,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:44:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 309 states and 466 transitions. [2018-12-01 18:44:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 466 transitions. [2018-12-01 18:44:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 18:44:04,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,106 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 311 states and 468 transitions. [2018-12-01 18:44:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 468 transitions. [2018-12-01 18:44:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:44:04,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 313 states and 470 transitions. [2018-12-01 18:44:04,174 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 470 transitions. [2018-12-01 18:44:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:44:04,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 315 states and 472 transitions. [2018-12-01 18:44:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 472 transitions. [2018-12-01 18:44:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 18:44:04,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 316 states and 473 transitions. [2018-12-01 18:44:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 473 transitions. [2018-12-01 18:44:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 18:44:04,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 318 states and 475 transitions. [2018-12-01 18:44:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 475 transitions. [2018-12-01 18:44:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 18:44:04,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 319 states and 475 transitions. [2018-12-01 18:44:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 475 transitions. [2018-12-01 18:44:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-01 18:44:04,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 320 states and 476 transitions. [2018-12-01 18:44:04,519 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 476 transitions. [2018-12-01 18:44:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:44:04,520 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:04,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 324 states and 479 transitions. [2018-12-01 18:44:04,689 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 479 transitions. [2018-12-01 18:44:04,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 18:44:04,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 328 states and 482 transitions. [2018-12-01 18:44:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 482 transitions. [2018-12-01 18:44:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-01 18:44:04,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:04,921 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-01 18:44:04,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:04,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 329 states and 482 transitions. [2018-12-01 18:44:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 482 transitions. [2018-12-01 18:44:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-01 18:44:04,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 329 states and 479 transitions. [2018-12-01 18:44:05,116 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 479 transitions. [2018-12-01 18:44:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 18:44:05,116 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 343 states and 502 transitions. [2018-12-01 18:44:05,197 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 502 transitions. [2018-12-01 18:44:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 18:44:05,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:05,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 361 states and 530 transitions. [2018-12-01 18:44:05,373 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 530 transitions. [2018-12-01 18:44:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 18:44:05,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,463 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-01 18:44:05,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 365 states and 536 transitions. [2018-12-01 18:44:05,588 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 536 transitions. [2018-12-01 18:44:05,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 18:44:05,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,632 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:05,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 366 states and 538 transitions. [2018-12-01 18:44:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 538 transitions. [2018-12-01 18:44:05,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 18:44:05,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 366 states and 535 transitions. [2018-12-01 18:44:05,775 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 535 transitions. [2018-12-01 18:44:05,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-01 18:44:05,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:05,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 368 states and 537 transitions. [2018-12-01 18:44:05,835 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 537 transitions. [2018-12-01 18:44:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 18:44:05,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:05,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:44:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 374 states and 547 transitions. [2018-12-01 18:44:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 547 transitions. [2018-12-01 18:44:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-01 18:44:05,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:06,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:06,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 379 states and 556 transitions. [2018-12-01 18:44:06,197 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 556 transitions. [2018-12-01 18:44:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:44:06,198 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:06,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:44:06,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:06,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 385 states and 566 transitions. [2018-12-01 18:44:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 566 transitions. [2018-12-01 18:44:06,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:44:06,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 390 states and 575 transitions. [2018-12-01 18:44:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 575 transitions. [2018-12-01 18:44:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-01 18:44:06,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:06,521 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:44:06,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 391 states and 575 transitions. [2018-12-01 18:44:06,529 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 575 transitions. [2018-12-01 18:44:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:44:06,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 393 states and 577 transitions. [2018-12-01 18:44:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 577 transitions. [2018-12-01 18:44:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:44:06,585 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:06,676 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:06,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 394 states and 579 transitions. [2018-12-01 18:44:06,769 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 579 transitions. [2018-12-01 18:44:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 18:44:06,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:06,851 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:44:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 406 states and 604 transitions. [2018-12-01 18:44:07,366 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 604 transitions. [2018-12-01 18:44:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 18:44:07,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:07,413 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:44:07,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:07,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 409 states and 609 transitions. [2018-12-01 18:44:07,528 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 609 transitions. [2018-12-01 18:44:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-01 18:44:07,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:07,577 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 18:44:07,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 410 states and 609 transitions. [2018-12-01 18:44:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 609 transitions. [2018-12-01 18:44:07,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-01 18:44:07,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:07,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 411 states and 611 transitions. [2018-12-01 18:44:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 611 transitions. [2018-12-01 18:44:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-01 18:44:07,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:44:07,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:07,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 411 states and 610 transitions. [2018-12-01 18:44:07,808 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 610 transitions. [2018-12-01 18:44:07,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:44:07,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:07,853 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 411 states and 608 transitions. [2018-12-01 18:44:07,858 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 608 transitions. [2018-12-01 18:44:07,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:44:07,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:44:07,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:07,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 415 states and 615 transitions. [2018-12-01 18:44:07,938 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 615 transitions. [2018-12-01 18:44:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-01 18:44:07,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:44:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 429 states and 641 transitions. [2018-12-01 18:44:08,012 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 641 transitions. [2018-12-01 18:44:08,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 18:44:08,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 18:44:08,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 433 states and 648 transitions. [2018-12-01 18:44:08,083 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 648 transitions. [2018-12-01 18:44:08,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-01 18:44:08,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:08,156 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:44:08,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 439 states and 654 transitions. [2018-12-01 18:44:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 654 transitions. [2018-12-01 18:44:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 18:44:08,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:44:08,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 453 states and 680 transitions. [2018-12-01 18:44:08,432 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 680 transitions. [2018-12-01 18:44:08,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 18:44:08,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:44:08,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 455 states and 683 transitions. [2018-12-01 18:44:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 683 transitions. [2018-12-01 18:44:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 18:44:08,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 18:44:08,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 461 states and 693 transitions. [2018-12-01 18:44:08,741 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 693 transitions. [2018-12-01 18:44:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 18:44:08,742 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 480 states and 729 transitions. [2018-12-01 18:44:09,194 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 729 transitions. [2018-12-01 18:44:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:44:09,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:09,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 18:44:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 480 states and 726 transitions. [2018-12-01 18:44:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 726 transitions. [2018-12-01 18:44:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:44:09,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 18:44:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:09,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 481 states and 726 transitions. [2018-12-01 18:44:09,513 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 726 transitions. [2018-12-01 18:44:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-01 18:44:09,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 18:44:09,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:09,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 482 states and 726 transitions. [2018-12-01 18:44:09,613 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 726 transitions. [2018-12-01 18:44:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 18:44:09,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:10,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 483 states and 728 transitions. [2018-12-01 18:44:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 728 transitions. [2018-12-01 18:44:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 18:44:10,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 486 states and 730 transitions. [2018-12-01 18:44:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 730 transitions. [2018-12-01 18:44:10,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 18:44:10,524 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:10,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:10,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 489 states and 732 transitions. [2018-12-01 18:44:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 732 transitions. [2018-12-01 18:44:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 18:44:10,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 490 states and 734 transitions. [2018-12-01 18:44:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 734 transitions. [2018-12-01 18:44:11,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 18:44:11,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,273 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 18:44:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 492 states and 736 transitions. [2018-12-01 18:44:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 736 transitions. [2018-12-01 18:44:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-01 18:44:11,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,336 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:44:11,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 493 states and 736 transitions. [2018-12-01 18:44:11,353 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 736 transitions. [2018-12-01 18:44:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 18:44:11,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,473 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-01 18:44:11,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 496 states and 739 transitions. [2018-12-01 18:44:11,488 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 739 transitions. [2018-12-01 18:44:11,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 18:44:11,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,546 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:44:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 497 states and 739 transitions. [2018-12-01 18:44:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 739 transitions. [2018-12-01 18:44:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 18:44:11,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 18:44:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 503 states and 748 transitions. [2018-12-01 18:44:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 748 transitions. [2018-12-01 18:44:11,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-01 18:44:11,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,731 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 18:44:11,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 504 states and 748 transitions. [2018-12-01 18:44:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 748 transitions. [2018-12-01 18:44:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 18:44:11,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 18:44:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 513 states and 761 transitions. [2018-12-01 18:44:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 761 transitions. [2018-12-01 18:44:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 18:44:11,965 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:12,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 18:44:12,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 517 states and 764 transitions. [2018-12-01 18:44:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 764 transitions. [2018-12-01 18:44:12,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-01 18:44:12,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 18:44:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:12,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 518 states and 764 transitions. [2018-12-01 18:44:12,315 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 764 transitions. [2018-12-01 18:44:12,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-01 18:44:12,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 18:44:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 522 states and 767 transitions. [2018-12-01 18:44:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 767 transitions. [2018-12-01 18:44:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-01 18:44:12,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 18:44:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 523 states and 767 transitions. [2018-12-01 18:44:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 767 transitions. [2018-12-01 18:44:12,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 18:44:12,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:12,631 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 18:44:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 525 states and 768 transitions. [2018-12-01 18:44:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 768 transitions. [2018-12-01 18:44:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 18:44:12,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:13,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:13,186 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 525 states and 767 transitions. [2018-12-01 18:44:13,192 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 767 transitions. [2018-12-01 18:44:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-01 18:44:13,193 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-01 18:44:13,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:13,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 527 states and 768 transitions. [2018-12-01 18:44:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 768 transitions. [2018-12-01 18:44:13,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 18:44:13,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:13,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 560 states and 809 transitions. [2018-12-01 18:44:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 809 transitions. [2018-12-01 18:44:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 18:44:14,121 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:14,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:14,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:14,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 561 states and 810 transitions. [2018-12-01 18:44:14,620 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 810 transitions. [2018-12-01 18:44:14,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 18:44:14,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-01 18:44:14,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:14,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 563 states and 812 transitions. [2018-12-01 18:44:14,717 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 812 transitions. [2018-12-01 18:44:14,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 18:44:14,718 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:15,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:15,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 564 states and 812 transitions. [2018-12-01 18:44:15,181 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 812 transitions. [2018-12-01 18:44:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 18:44:15,182 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:15,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 603 states and 864 transitions. [2018-12-01 18:44:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 864 transitions. [2018-12-01 18:44:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 18:44:16,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:16,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:16,842 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 604 states and 864 transitions. [2018-12-01 18:44:16,855 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 864 transitions. [2018-12-01 18:44:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 18:44:16,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:17,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 18:44:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 605 states and 868 transitions. [2018-12-01 18:44:17,456 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 868 transitions. [2018-12-01 18:44:17,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 18:44:17,457 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:44:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 613 states and 886 transitions. [2018-12-01 18:44:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 886 transitions. [2018-12-01 18:44:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 18:44:17,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:18,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:18,249 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 18:44:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 614 states and 889 transitions. [2018-12-01 18:44:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 889 transitions. [2018-12-01 18:44:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 18:44:18,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:44:18,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 622 states and 907 transitions. [2018-12-01 18:44:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 907 transitions. [2018-12-01 18:44:18,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-01 18:44:18,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:44:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:18,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 623 states and 907 transitions. [2018-12-01 18:44:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 907 transitions. [2018-12-01 18:44:18,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 18:44:18,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:19,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:19,054 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 18:44:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:19,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 627 states and 919 transitions. [2018-12-01 18:44:19,087 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 919 transitions. [2018-12-01 18:44:19,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 18:44:19,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 18:44:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 635 states and 936 transitions. [2018-12-01 18:44:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 936 transitions. [2018-12-01 18:44:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 18:44:19,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:19,457 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:44:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 636 states and 936 transitions. [2018-12-01 18:44:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 936 transitions. [2018-12-01 18:44:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 18:44:19,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:19,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:19,980 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 18:44:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 640 states and 948 transitions. [2018-12-01 18:44:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 948 transitions. [2018-12-01 18:44:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 18:44:20,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 18:44:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 641 states and 948 transitions. [2018-12-01 18:44:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 948 transitions. [2018-12-01 18:44:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-01 18:44:20,119 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:20,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 18:44:20,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 644 states and 952 transitions. [2018-12-01 18:44:20,567 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 952 transitions. [2018-12-01 18:44:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 18:44:20,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:20,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 18:44:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 647 states and 956 transitions. [2018-12-01 18:44:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 956 transitions. [2018-12-01 18:44:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-01 18:44:21,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 18:44:21,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:21,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 648 states and 956 transitions. [2018-12-01 18:44:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 956 transitions. [2018-12-01 18:44:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 18:44:21,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-01 18:44:22,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:22,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 660 states and 978 transitions. [2018-12-01 18:44:22,107 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 978 transitions. [2018-12-01 18:44:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 18:44:22,108 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:22,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:22,202 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 18:44:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:22,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 661 states and 978 transitions. [2018-12-01 18:44:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 978 transitions. [2018-12-01 18:44:22,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-01 18:44:22,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:44:22,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:22,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 662 states and 978 transitions. [2018-12-01 18:44:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 978 transitions. [2018-12-01 18:44:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 18:44:22,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:22,435 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 18:44:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:22,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 663 states and 978 transitions. [2018-12-01 18:44:22,447 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 978 transitions. [2018-12-01 18:44:22,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 18:44:22,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 18:44:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 664 states and 978 transitions. [2018-12-01 18:44:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 978 transitions. [2018-12-01 18:44:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 18:44:22,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:22,687 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 18:44:22,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:22,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 665 states and 978 transitions. [2018-12-01 18:44:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 978 transitions. [2018-12-01 18:44:22,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-01 18:44:22,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:23,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:23,180 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 18:44:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 666 states and 982 transitions. [2018-12-01 18:44:23,346 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 982 transitions. [2018-12-01 18:44:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 18:44:23,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-01 18:44:23,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 667 states and 982 transitions. [2018-12-01 18:44:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 982 transitions. [2018-12-01 18:44:23,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-01 18:44:23,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 18:44:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 668 states and 982 transitions. [2018-12-01 18:44:23,566 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 982 transitions. [2018-12-01 18:44:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 18:44:23,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:24,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 18:44:24,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:24,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 669 states and 982 transitions. [2018-12-01 18:44:24,249 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 982 transitions. [2018-12-01 18:44:24,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-01 18:44:24,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:24,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-01 18:44:26,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:26,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 683 states and 1018 transitions. [2018-12-01 18:44:26,667 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1018 transitions. [2018-12-01 18:44:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 18:44:26,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 18:44:26,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 684 states and 1018 transitions. [2018-12-01 18:44:26,778 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1018 transitions. [2018-12-01 18:44:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 18:44:26,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:27,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:27,254 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 18:44:30,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:30,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 698 states and 1045 transitions. [2018-12-01 18:44:30,079 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1045 transitions. [2018-12-01 18:44:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 18:44:30,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:30,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:30,647 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 18:44:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 705 states and 1062 transitions. [2018-12-01 18:44:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1062 transitions. [2018-12-01 18:44:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-01 18:44:35,948 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:36,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-01 18:44:40,292 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2018-12-01 18:44:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:42,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 710 states and 1066 transitions. [2018-12-01 18:44:42,318 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1066 transitions. [2018-12-01 18:44:42,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 18:44:42,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:42,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:42,769 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 18:44:42,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:42,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 710 states and 1065 transitions. [2018-12-01 18:44:42,779 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1065 transitions. [2018-12-01 18:44:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 18:44:42,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:43,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-01 18:44:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 723 states and 1131 transitions. [2018-12-01 18:44:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1131 transitions. [2018-12-01 18:44:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-01 18:44:46,534 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:46,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 18:44:47,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 724 states and 1131 transitions. [2018-12-01 18:44:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1131 transitions. [2018-12-01 18:44:47,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 18:44:47,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:47,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 18:44:49,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 726 states and 1138 transitions. [2018-12-01 18:44:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1138 transitions. [2018-12-01 18:44:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 18:44:49,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:49,252 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-01 18:44:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:51,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 750 states and 1176 transitions. [2018-12-01 18:44:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1176 transitions. [2018-12-01 18:44:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-01 18:44:51,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:51,123 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 18:44:51,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 762 states and 1192 transitions. [2018-12-01 18:44:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1192 transitions. [2018-12-01 18:44:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-01 18:44:51,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-01 18:44:52,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:52,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 774 states and 1208 transitions. [2018-12-01 18:44:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1208 transitions. [2018-12-01 18:44:52,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 18:44:52,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:52,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:44:53,122 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 18:44:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 779 states and 1226 transitions. [2018-12-01 18:44:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1226 transitions. [2018-12-01 18:44:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 18:44:56,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:44:57,413 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 18:44:59,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:44:59,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 790 states and 1243 transitions. [2018-12-01 18:44:59,521 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1243 transitions. [2018-12-01 18:44:59,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 18:44:59,522 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:44:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:00,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:45:03,470 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 18:45:05,491 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 22 [2018-12-01 18:45:09,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 805 states and 1274 transitions. [2018-12-01 18:45:09,562 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1274 transitions. [2018-12-01 18:45:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 18:45:09,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:09,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:45:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 18:45:11,868 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-12-01 18:45:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 811 states and 1300 transitions. [2018-12-01 18:45:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1300 transitions. [2018-12-01 18:45:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 18:45:14,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:45:15,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:45:15,457 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-12-01 18:45:16,592 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-12-01 18:45:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 18:45:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 823 states and 1337 transitions. [2018-12-01 18:45:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1337 transitions. [2018-12-01 18:45:20,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-01 18:45:20,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 18:45:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-12-01 18:45:31,007 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-01 18:45:31,010 INFO L168 Benchmark]: Toolchain (without parser) took 103103.81 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 945.3 MB in the beginning and 750.2 MB in the end (delta: 195.1 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-01 18:45:31,010 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:45:31,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 823.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.3 MB in the beginning and 995.4 MB in the end (delta: -50.1 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:31,011 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.23 ms. Allocated memory is still 1.1 GB. Free memory was 995.4 MB in the beginning and 984.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:31,012 INFO L168 Benchmark]: Boogie Preprocessor took 57.38 ms. Allocated memory is still 1.1 GB. Free memory was 984.7 MB in the beginning and 968.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:31,012 INFO L168 Benchmark]: RCFGBuilder took 7632.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.8 MB). Free memory was 968.6 MB in the beginning and 1.0 GB in the end (delta: -71.5 MB). Peak memory consumption was 380.2 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:31,013 INFO L168 Benchmark]: CodeCheck took 94508.97 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 930.1 MB). Free memory was 1.0 GB in the beginning and 750.2 MB in the end (delta: 289.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-01 18:45:31,016 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:509) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 823.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 945.3 MB in the beginning and 995.4 MB in the end (delta: -50.1 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.23 ms. Allocated memory is still 1.1 GB. Free memory was 995.4 MB in the beginning and 984.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.38 ms. Allocated memory is still 1.1 GB. Free memory was 984.7 MB in the beginning and 968.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7632.27 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 200.8 MB). Free memory was 968.6 MB in the beginning and 1.0 GB in the end (delta: -71.5 MB). Peak memory consumption was 380.2 MB. Max. memory is 11.5 GB. * CodeCheck took 94508.97 ms. Allocated memory was 1.3 GB in the beginning and 2.3 GB in the end (delta: 930.1 MB). Free memory was 1.0 GB in the beginning and 750.2 MB in the end (delta: 289.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:45:32,297 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:45:32,298 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:45:32,307 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:45:32,307 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:45:32,308 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:45:32,309 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:45:32,310 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:45:32,311 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:45:32,311 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:45:32,312 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:45:32,312 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:45:32,313 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:45:32,314 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:45:32,315 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:45:32,315 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:45:32,316 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:45:32,317 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:45:32,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:45:32,320 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:45:32,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:45:32,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:45:32,322 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:45:32,323 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:45:32,323 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:45:32,323 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:45:32,324 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:45:32,325 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:45:32,325 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:45:32,326 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:45:32,326 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:45:32,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:45:32,327 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:45:32,327 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:45:32,327 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:45:32,328 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:45:32,328 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2018-12-01 18:45:32,338 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:45:32,338 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:45:32,339 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:45:32,339 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 18:45:32,340 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:45:32,340 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:45:32,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:45:32,340 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:45:32,340 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:45:32,341 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:45:32,341 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:45:32,341 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-01 18:45:32,341 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-01 18:45:32,341 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:45:32,341 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:45:32,341 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:45:32,341 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 18:45:32,342 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 18:45:32,342 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:45:32,342 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:45:32,342 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 18:45:32,342 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:45:32,342 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:45:32,342 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:45:32,342 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-12-01 18:45:32,343 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-01 18:45:32,343 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:45:32,343 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-01 18:45:32,343 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-01 18:45:32,343 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 18:45:32,343 INFO L133 SettingsManager]: * To the following directory=dump/ 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/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/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(__VERIFIER_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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 353490363c837b8f66c0178023b6548f886ada5f [2018-12-01 18:45:32,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:45:32,374 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:45:32,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:45:32,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:45:32,377 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:45:32,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i [2018-12-01 18:45:32,413 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/6dd12488a/f5ff3d0e302b4ead82731e49fbeda207/FLAG2020df8b1 [2018-12-01 18:45:32,972 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:45:32,973 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-staging-lirc-lirc_imon.ko_false-unreach-call.cil.out.i [2018-12-01 18:45:32,987 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/6dd12488a/f5ff3d0e302b4ead82731e49fbeda207/FLAG2020df8b1 [2018-12-01 18:45:33,396 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a41223c5-4b14-4b72-9dc5-02ed07fe9242/bin-2019/ukojak/data/6dd12488a/f5ff3d0e302b4ead82731e49fbeda207 [2018-12-01 18:45:33,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:45:33,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:45:33,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:45:33,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:45:33,401 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:45:33,401 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:45:33" (1/1) ... [2018-12-01 18:45:33,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc86d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:45:33, skipping insertion in model container [2018-12-01 18:45:33,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:45:33" (1/1) ... [2018-12-01 18:45:33,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:45:33,452 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:45:33,985 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: only flexible array member at the end can have non-constant size at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructSizeTValueAndOffsets_StructAndUnion(TypeSizeAndOffsetComputer.java:304) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeSize(TypeSizeAndOffsetComputer.java:203) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructOffsetForField(TypeSizeAndOffsetComputer.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.constructOffsetForField(TypeSizeAndOffsetComputer.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.StructHandler.handleFieldReference(StructHandler.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:508) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1327) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-01 18:45:33,987 INFO L168 Benchmark]: Toolchain (without parser) took 588.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:33,988 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:45:33,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2018-12-01 18:45:33,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: only flexible array member at the end can have non-constant size de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: only flexible array member at the end can have non-constant size: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizeAndOffsetComputer.computeMemberOffset(TypeSizeAndOffsetComputer.java:583) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...