./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:15:48,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:15:48,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:15:48,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:15:48,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:15:48,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:15:48,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:15:48,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:15:48,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:15:48,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:15:48,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:15:48,192 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:15:48,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:15:48,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:15:48,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:15:48,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:15:48,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:15:48,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:15:48,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:15:48,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:15:48,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:15:48,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:15:48,224 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:15:48,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:15:48,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:15:48,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:15:48,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:15:48,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:15:48,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:15:48,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:15:48,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:15:48,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:15:48,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:15:48,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:15:48,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:15:48,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:15:48,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:15:48,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:15:48,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:15:48,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:15:48,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:15:48,245 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-22 23:15:48,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:15:48,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:15:48,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:15:48,292 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:15:48,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:15:48,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:15:48,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:15:48,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:15:48,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:15:48,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:15:48,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:15:48,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:15:48,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:15:48,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:15:48,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:15:48,303 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:15:48,303 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:15:48,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:15:48,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:48,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:15:48,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:15:48,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:15:48,305 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:15:48,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:15:48,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:15:48,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7325716246446e6137919cda7fc42ef01fc613ff512d250d81e88f25c6debe0a [2021-11-22 23:15:48,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:15:48,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:15:48,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:15:48,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:15:48,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:15:48,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-11-22 23:15:48,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/data/c89ac40fd/4bbc3e77ef094799b5b95c2a686af877/FLAG9106c15ca [2021-11-22 23:15:49,571 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:15:49,573 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2021-11-22 23:15:49,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/data/c89ac40fd/4bbc3e77ef094799b5b95c2a686af877/FLAG9106c15ca [2021-11-22 23:15:49,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/data/c89ac40fd/4bbc3e77ef094799b5b95c2a686af877 [2021-11-22 23:15:49,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:15:49,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:15:49,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:49,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:15:49,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:15:49,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:49" (1/1) ... [2021-11-22 23:15:49,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743ff8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:49, skipping insertion in model container [2021-11-22 23:15:49,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:15:49" (1/1) ... [2021-11-22 23:15:49,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:15:49,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:15:50,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-11-22 23:15:50,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:50,573 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:15:50,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i[115804,115817] [2021-11-22 23:15:50,813 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:15:50,865 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:15:50,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50 WrapperNode [2021-11-22 23:15:50,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:15:50,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:50,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:15:50,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:15:50,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:50,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:50,962 INFO L137 Inliner]: procedures = 77, calls = 256, calls flagged for inlining = 29, calls inlined = 26, statements flattened = 728 [2021-11-22 23:15:50,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:15:50,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:15:50,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:15:50,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:15:50,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:50,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:50,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:50,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:51,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:51,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:51,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:51,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:15:51,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:15:51,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:15:51,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:15:51,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:15:50" (1/1) ... [2021-11-22 23:15:51,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:15:51,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:15:51,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:15:51,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:15:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2021-11-22 23:15:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2021-11-22 23:15:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:15:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-22 23:15:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-22 23:15:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:15:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-22 23:15:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-22 23:15:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2021-11-22 23:15:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2021-11-22 23:15:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-22 23:15:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-22 23:15:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:15:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:15:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-22 23:15:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-22 23:15:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-22 23:15:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-22 23:15:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-22 23:15:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-22 23:15:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:15:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-22 23:15:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-22 23:15:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:15:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-22 23:15:51,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-22 23:15:51,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:15:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-22 23:15:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-22 23:15:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-11-22 23:15:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-11-22 23:15:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-22 23:15:51,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-22 23:15:51,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-11-22 23:15:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-11-22 23:15:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:15:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:15:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:15:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:15:51,553 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:15:51,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:15:51,753 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2021-11-22 23:15:51,780 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-22 23:15:52,804 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2021-11-22 23:15:52,804 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2021-11-22 23:15:52,816 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:15:52,998 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:15:52,998 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-22 23:15:53,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:53 BoogieIcfgContainer [2021-11-22 23:15:53,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:15:53,004 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:15:53,005 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:15:53,016 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:15:53,017 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:53" (1/1) ... [2021-11-22 23:15:53,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:15:53,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 116 states and 155 transitions. [2021-11-22 23:15:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 155 transitions. [2021-11-22 23:15:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:15:53,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:53,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 117 states and 152 transitions. [2021-11-22 23:15:53,659 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 152 transitions. [2021-11-22 23:15:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:15:53,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 120 states and 155 transitions. [2021-11-22 23:15:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 155 transitions. [2021-11-22 23:15:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:15:53,925 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:53,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 120 states and 154 transitions. [2021-11-22 23:15:54,028 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions. [2021-11-22 23:15:54,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:15:54,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 124 states and 166 transitions. [2021-11-22 23:15:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 166 transitions. [2021-11-22 23:15:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:15:54,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 128 states and 178 transitions. [2021-11-22 23:15:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 178 transitions. [2021-11-22 23:15:54,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:54,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 131 states and 182 transitions. [2021-11-22 23:15:54,390 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 182 transitions. [2021-11-22 23:15:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:15:54,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,455 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 136 states and 193 transitions. [2021-11-22 23:15:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 193 transitions. [2021-11-22 23:15:54,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:54,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 137 states and 194 transitions. [2021-11-22 23:15:54,712 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-22 23:15:54,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:54,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:54,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 140 states and 199 transitions. [2021-11-22 23:15:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 199 transitions. [2021-11-22 23:15:54,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-22 23:15:54,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:15:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:54,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 141 states and 199 transitions. [2021-11-22 23:15:54,956 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 199 transitions. [2021-11-22 23:15:54,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:15:54,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:54,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:15:55,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 142 states and 200 transitions. [2021-11-22 23:15:55,089 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2021-11-22 23:15:55,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:15:55,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:55,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 143 states and 201 transitions. [2021-11-22 23:15:55,172 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 201 transitions. [2021-11-22 23:15:55,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:15:55,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,245 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:15:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 144 states and 201 transitions. [2021-11-22 23:15:55,273 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 201 transitions. [2021-11-22 23:15:55,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:15:55,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 155 states and 219 transitions. [2021-11-22 23:15:55,449 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 219 transitions. [2021-11-22 23:15:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:55,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:55,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 166 states and 237 transitions. [2021-11-22 23:15:55,606 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 237 transitions. [2021-11-22 23:15:55,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:15:55,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:55,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 167 states and 238 transitions. [2021-11-22 23:15:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 238 transitions. [2021-11-22 23:15:55,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:15:55,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 168 states and 239 transitions. [2021-11-22 23:15:55,813 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 239 transitions. [2021-11-22 23:15:55,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:15:55,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:55,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:55,876 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:15:56,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 168 states and 236 transitions. [2021-11-22 23:15:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 236 transitions. [2021-11-22 23:15:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-22 23:15:56,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:15:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 171 states and 242 transitions. [2021-11-22 23:15:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 242 transitions. [2021-11-22 23:15:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:15:56,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:15:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 184 states and 274 transitions. [2021-11-22 23:15:56,562 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 274 transitions. [2021-11-22 23:15:56,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:15:56,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:15:56,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 187 states and 279 transitions. [2021-11-22 23:15:56,699 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 279 transitions. [2021-11-22 23:15:56,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:15:56,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:15:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 192 states and 285 transitions. [2021-11-22 23:15:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 285 transitions. [2021-11-22 23:15:56,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:15:56,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,884 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:15:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 193 states and 285 transitions. [2021-11-22 23:15:56,915 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 285 transitions. [2021-11-22 23:15:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:15:56,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:15:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 194 states and 286 transitions. [2021-11-22 23:15:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 286 transitions. [2021-11-22 23:15:56,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:15:56,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:56,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:15:57,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:57,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 199 states and 292 transitions. [2021-11-22 23:15:57,465 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2021-11-22 23:15:57,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:15:57,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:57,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:15:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 200 states and 292 transitions. [2021-11-22 23:15:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 292 transitions. [2021-11-22 23:15:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:15:57,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:57,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:57,819 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:15:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 214 states and 314 transitions. [2021-11-22 23:15:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 314 transitions. [2021-11-22 23:15:58,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:15:58,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:15:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 217 states and 317 transitions. [2021-11-22 23:15:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 317 transitions. [2021-11-22 23:15:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:15:58,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:15:59,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 218 states and 317 transitions. [2021-11-22 23:15:59,020 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 317 transitions. [2021-11-22 23:15:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:15:59,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:59,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:15:59,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:59,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 223 states and 325 transitions. [2021-11-22 23:15:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 325 transitions. [2021-11-22 23:15:59,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:15:59,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:59,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:16:00,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 332 transitions. [2021-11-22 23:16:00,480 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 332 transitions. [2021-11-22 23:16:00,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:16:00,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:00,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:16:06,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:07,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:10,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:10,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:10,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 246 states and 361 transitions. [2021-11-22 23:16:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 361 transitions. [2021-11-22 23:16:10,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:16:10,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:10,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:16:11,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:11,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 246 states and 360 transitions. [2021-11-22 23:16:11,446 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 360 transitions. [2021-11-22 23:16:11,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:16:11,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:11,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:16:12,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:12,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 251 states and 368 transitions. [2021-11-22 23:16:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 368 transitions. [2021-11-22 23:16:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-22 23:16:12,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:12,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-22 23:16:16,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:16,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 263 states and 388 transitions. [2021-11-22 23:16:16,170 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 388 transitions. [2021-11-22 23:16:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:16:16,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:16,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:16,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:16:17,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 263 states and 386 transitions. [2021-11-22 23:16:17,218 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 386 transitions. [2021-11-22 23:16:17,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:16:17,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:17,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:16:18,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 265 states and 388 transitions. [2021-11-22 23:16:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 388 transitions. [2021-11-22 23:16:18,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:16:18,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:18,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:16:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 267 states and 390 transitions. [2021-11-22 23:16:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 390 transitions. [2021-11-22 23:16:19,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-22 23:16:19,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:19,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:19,325 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:16:19,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 267 states and 389 transitions. [2021-11-22 23:16:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 389 transitions. [2021-11-22 23:16:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:16:19,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:19,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:20,016 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:16:25,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:26,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:28,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:30,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:30,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 280 states and 413 transitions. [2021-11-22 23:16:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 413 transitions. [2021-11-22 23:16:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-22 23:16:30,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:30,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:30,754 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:16:33,193 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:34,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:39,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:43,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:43,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:43,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 289 states and 429 transitions. [2021-11-22 23:16:43,783 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 429 transitions. [2021-11-22 23:16:43,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:16:43,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:43,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:16:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 291 states and 432 transitions. [2021-11-22 23:16:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 432 transitions. [2021-11-22 23:16:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-22 23:16:44,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:44,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:16:47,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 296 states and 443 transitions. [2021-11-22 23:16:47,012 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 443 transitions. [2021-11-22 23:16:47,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-22 23:16:47,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:47,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:48,107 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:16:53,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:16:56,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:17:00,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:17:01,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 309 states and 468 transitions. [2021-11-22 23:17:01,638 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 468 transitions. [2021-11-22 23:17:01,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-22 23:17:01,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:01,830 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-22 23:17:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 324 states and 494 transitions. [2021-11-22 23:17:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 494 transitions. [2021-11-22 23:17:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-22 23:17:03,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-22 23:17:03,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 325 states and 494 transitions. [2021-11-22 23:17:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 494 transitions. [2021-11-22 23:17:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-22 23:17:03,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:03,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:04,077 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-11-22 23:17:08,260 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:17:12,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-22 23:17:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 334 states and 511 transitions. [2021-11-22 23:17:12,455 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 511 transitions. [2021-11-22 23:17:12,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-22 23:17:12,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-22 23:17:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 335 states and 511 transitions. [2021-11-22 23:17:12,943 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 511 transitions. [2021-11-22 23:17:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-22 23:17:12,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,138 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-22 23:17:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 352 states and 542 transitions. [2021-11-22 23:17:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 542 transitions. [2021-11-22 23:17:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-22 23:17:14,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,736 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-22 23:17:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 353 states and 542 transitions. [2021-11-22 23:17:14,778 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 542 transitions. [2021-11-22 23:17:14,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-22 23:17:14,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-11-22 23:17:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 354 states and 542 transitions. [2021-11-22 23:17:14,989 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 542 transitions. [2021-11-22 23:17:14,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:17:14,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:17:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 363 states and 559 transitions. [2021-11-22 23:17:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 559 transitions. [2021-11-22 23:17:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-22 23:17:18,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-22 23:17:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 368 states and 564 transitions. [2021-11-22 23:17:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 564 transitions. [2021-11-22 23:17:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-22 23:17:20,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:20,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:17:22,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 388 states and 600 transitions. [2021-11-22 23:17:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 600 transitions. [2021-11-22 23:17:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:17:22,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:17:22,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 389 states and 600 transitions. [2021-11-22 23:17:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 600 transitions. [2021-11-22 23:17:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-22 23:17:22,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:22,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:17:24,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 409 states and 636 transitions. [2021-11-22 23:17:24,499 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 636 transitions. [2021-11-22 23:17:24,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-22 23:17:24,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:17:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 410 states and 636 transitions. [2021-11-22 23:17:24,833 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 636 transitions. [2021-11-22 23:17:24,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-22 23:17:24,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-22 23:17:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 411 states and 636 transitions. [2021-11-22 23:17:25,256 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 636 transitions. [2021-11-22 23:17:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-22 23:17:25,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,636 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-11-22 23:17:25,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 137 states and 169 transitions. [2021-11-22 23:17:25,688 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 169 transitions. [2021-11-22 23:17:25,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:17:25,689 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 60 iterations. [2021-11-22 23:17:25,697 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:17:26,282 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,286 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,286 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-22 23:17:26,289 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,289 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,289 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,290 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2021-11-22 23:17:26,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,290 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,293 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,293 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,293 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,293 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,293 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,293 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,293 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,294 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:17:26,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:17:26 ImpRootNode [2021-11-22 23:17:26,294 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:17:26,295 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:17:26,295 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:17:26,295 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:17:26,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:15:53" (3/4) ... [2021-11-22 23:17:26,298 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:17:26,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kbtab_init [2021-11-22 23:17:26,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2021-11-22 23:17:26,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2021-11-22 23:17:26,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2021-11-22 23:17:26,304 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_undefined_pointer [2021-11-22 23:17:26,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_urb [2021-11-22 23:17:26,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure input_set_abs_params [2021-11-22 23:17:26,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kbtab_exit [2021-11-22 23:17:26,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-22 23:17:26,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2021-11-22 23:17:26,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_assume_stop [2021-11-22 23:17:26,305 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_free_coherent [2021-11-22 23:17:26,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_blast_assert [2021-11-22 23:17:26,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_set_drvdata [2021-11-22 23:17:26,323 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2021-11-22 23:17:26,325 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2021-11-22 23:17:26,327 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 23:17:26,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-22 23:17:26,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:17:26,365 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(ldv_coherent_state) == ldv_coherent_state || ldv_coherent_state < 1 [2021-11-22 23:17:26,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ldv_urb_state == \old(ldv_urb_state) || ldv_urb_state < 1 [2021-11-22 23:17:26,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:17:26,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:17:26,628 INFO L158 Benchmark]: Toolchain (without parser) took 96985.73ms. Allocated memory was 86.0MB in the beginning and 379.6MB in the end (delta: 293.6MB). Free memory was 46.5MB in the beginning and 313.7MB in the end (delta: -267.2MB). Peak memory consumption was 208.1MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,628 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:26,628 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1220.11ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 46.4MB in the beginning and 52.0MB in the end (delta: -5.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,629 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.55ms. Allocated memory is still 109.1MB. Free memory was 52.0MB in the beginning and 46.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,629 INFO L158 Benchmark]: Boogie Preprocessor took 120.67ms. Allocated memory is still 109.1MB. Free memory was 46.8MB in the beginning and 71.7MB in the end (delta: -24.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,630 INFO L158 Benchmark]: RCFGBuilder took 1918.43ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 71.7MB in the beginning and 71.5MB in the end (delta: 209.3kB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,630 INFO L158 Benchmark]: CodeCheck took 93290.16ms. Allocated memory was 157.3MB in the beginning and 308.3MB in the end (delta: 151.0MB). Free memory was 70.6MB in the beginning and 122.3MB in the end (delta: -51.7MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,631 INFO L158 Benchmark]: Witness Printer took 332.27ms. Allocated memory was 308.3MB in the beginning and 379.6MB in the end (delta: 71.3MB). Free memory was 122.3MB in the beginning and 313.7MB in the end (delta: -191.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 15 procedures, 117 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 92.6s, OverallIterations: 60, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30467 SdHoareTripleChecker+Valid, 991.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16065 mSDsluCounter, 31982 SdHoareTripleChecker+Invalid, 969.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24834 mSDsCounter, 7404 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26556 IncrementalHoareTripleChecker+Invalid, 33960 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7404 mSolverCounterUnsat, 11713 mSDtfsCounter, 26556 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33096 GetRequests, 32288 SyntacticMatches, 412 SemanticMatches, 396 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71007 ImplicationChecksByTransitivity, 31.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 5.0s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 4050 NumberOfCodeBlocks, 4050 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 3991 ConstructedInterpolants, 0 QuantifiedInterpolants, 7695 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 59 InterpolantComputations, 43 PerfectInterpolantSequences, 1243/1327 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 4049]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4055]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4097]: Loop Invariant Derived loop invariant: \old(ldv_coherent_state) == ldv_coherent_state || ldv_coherent_state < 1 - InvariantResult [Line: 3841]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3875]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4154]: Loop Invariant Derived loop invariant: ldv_urb_state == \old(ldv_urb_state) || ldv_urb_state < 1 - InvariantResult [Line: 3882]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4093]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3980]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4066]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3851]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3782]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3994]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3820]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3979]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3997]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4072]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3513]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3968]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4150]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3793]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 58.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1220.11ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 46.4MB in the beginning and 52.0MB in the end (delta: -5.7MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.55ms. Allocated memory is still 109.1MB. Free memory was 52.0MB in the beginning and 46.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.67ms. Allocated memory is still 109.1MB. Free memory was 46.8MB in the beginning and 71.7MB in the end (delta: -24.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1918.43ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 71.7MB in the beginning and 71.5MB in the end (delta: 209.3kB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * CodeCheck took 93290.16ms. Allocated memory was 157.3MB in the beginning and 308.3MB in the end (delta: 151.0MB). Free memory was 70.6MB in the beginning and 122.3MB in the end (delta: -51.7MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. * Witness Printer took 332.27ms. Allocated memory was 308.3MB in the beginning and 379.6MB in the end (delta: 71.3MB). Free memory was 122.3MB in the beginning and 313.7MB in the end (delta: -191.5MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:17:26,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e77bfeba-050a-4c0e-839d-95dd92cbdd31/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE