./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.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_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/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_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/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_72168fbf-38d4-498e-be42-e468a3dd4a64/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 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:54:20,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:54:20,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:54:20,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:54:20,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:54:20,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:54:20,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:54:20,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:54:20,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:54:20,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:54:20,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:54:20,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:54:20,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:54:20,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:54:20,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:54:20,601 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:54:20,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:54:20,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:54:20,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:54:20,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:54:20,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:54:20,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:54:20,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:54:20,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:54:20,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:54:20,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:54:20,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:54:20,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:54:20,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:54:20,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:54:20,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:54:20,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:54:20,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:54:20,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:54:20,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:54:20,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:54:20,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:54:20,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:54:20,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:54:20,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:54:20,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:54:20,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 00:54:20,671 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:54:20,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:54:20,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:54:20,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:54:20,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:54:20,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:54:20,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:54:20,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:54:20,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:54:20,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:54:20,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:54:20,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:54:20,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:54:20,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:54:20,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:54:20,679 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:54:20,679 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:54:20,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:54:20,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:20,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:54:20,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:54:20,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:54:20,681 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:54:20,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:54:20,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:54:20,681 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_72168fbf-38d4-498e-be42-e468a3dd4a64/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2021-11-23 00:54:20,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:54:20,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:54:20,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:54:20,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:54:20,994 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:54:20,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-11-23 00:54:21,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/data/4c37f0f03/66ce0bb06d9c41be8ae05ecc4a589056/FLAG0d95e734d [2021-11-23 00:54:21,947 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:54:21,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2021-11-23 00:54:22,004 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/data/4c37f0f03/66ce0bb06d9c41be8ae05ecc4a589056/FLAG0d95e734d [2021-11-23 00:54:22,465 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/data/4c37f0f03/66ce0bb06d9c41be8ae05ecc4a589056 [2021-11-23 00:54:22,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:54:22,469 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:54:22,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:22,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:54:22,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:54:22,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:22" (1/1) ... [2021-11-23 00:54:22,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@112b120e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:22, skipping insertion in model container [2021-11-23 00:54:22,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:54:22" (1/1) ... [2021-11-23 00:54:22,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:54:22,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:54:23,876 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_72168fbf-38d4-498e-be42-e468a3dd4a64/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2021-11-23 00:54:23,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:23,996 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:54:24,324 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_72168fbf-38d4-498e-be42-e468a3dd4a64/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i[222523,222536] [2021-11-23 00:54:24,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:54:24,414 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:54:24,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24 WrapperNode [2021-11-23 00:54:24,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:54:24,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:24,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:54:24,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:54:24,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,575 INFO L137 Inliner]: procedures = 127, calls = 966, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 848 [2021-11-23 00:54:24,577 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:54:24,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:54:24,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:54:24,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:54:24,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:54:24,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:54:24,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:54:24,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:54:24,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:54:24" (1/1) ... [2021-11-23 00:54:24,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:54:24,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:54:24,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:54:24,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:54:24,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 00:54:24,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 00:54:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2021-11-23 00:54:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2021-11-23 00:54:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 00:54:24,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 00:54:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:54:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 00:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 00:54:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 00:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 00:54:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2021-11-23 00:54:24,817 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2021-11-23 00:54:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:54:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 00:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 00:54:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 00:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 00:54:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2021-11-23 00:54:24,818 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2021-11-23 00:54:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:54:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:54:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:54:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:54:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2021-11-23 00:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2021-11-23 00:54:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:54:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 00:54:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 00:54:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:54:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:54:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:54:25,265 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:54:25,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:54:26,367 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:54:26,700 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:54:26,700 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:54:26,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:26 BoogieIcfgContainer [2021-11-23 00:54:26,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:54:26,705 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:54:26,705 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:54:26,716 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:54:26,716 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:26" (1/1) ... [2021-11-23 00:54:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:54:26,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:26,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 111 states and 157 transitions. [2021-11-23 00:54:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2021-11-23 00:54:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:54:26,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:26,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:27,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 116 states and 170 transitions. [2021-11-23 00:54:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 170 transitions. [2021-11-23 00:54:27,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:54:27,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:27,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:27,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 126 states and 196 transitions. [2021-11-23 00:54:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2021-11-23 00:54:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:54:27,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:27,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 127 states and 197 transitions. [2021-11-23 00:54:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 197 transitions. [2021-11-23 00:54:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:54:27,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:27,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:28,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 138 states and 224 transitions. [2021-11-23 00:54:28,318 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 224 transitions. [2021-11-23 00:54:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:54:28,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:28,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 150 states and 252 transitions. [2021-11-23 00:54:28,782 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 252 transitions. [2021-11-23 00:54:28,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:54:28,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:28,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:28,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:28,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 151 states and 253 transitions. [2021-11-23 00:54:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 253 transitions. [2021-11-23 00:54:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:54:28,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:28,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,053 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 154 states and 266 transitions. [2021-11-23 00:54:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2021-11-23 00:54:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:54:29,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 155 states and 266 transitions. [2021-11-23 00:54:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 266 transitions. [2021-11-23 00:54:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:54:29,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:54:29,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 156 states and 267 transitions. [2021-11-23 00:54:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 267 transitions. [2021-11-23 00:54:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:54:29,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 157 states and 267 transitions. [2021-11-23 00:54:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 267 transitions. [2021-11-23 00:54:29,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:54:29,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:29,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:29,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 158 states and 267 transitions. [2021-11-23 00:54:29,846 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 267 transitions. [2021-11-23 00:54:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:54:29,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:29,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:29,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:54:30,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 164 states and 282 transitions. [2021-11-23 00:54:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 282 transitions. [2021-11-23 00:54:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:54:30,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:54:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 165 states and 282 transitions. [2021-11-23 00:54:30,138 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 282 transitions. [2021-11-23 00:54:30,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:54:30,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,196 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:30,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 166 states and 283 transitions. [2021-11-23 00:54:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 283 transitions. [2021-11-23 00:54:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:54:30,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,283 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:54:30,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 172 states and 298 transitions. [2021-11-23 00:54:30,429 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 298 transitions. [2021-11-23 00:54:30,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:54:30,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:54:30,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 173 states and 298 transitions. [2021-11-23 00:54:30,514 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 298 transitions. [2021-11-23 00:54:30,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:54:30,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:54:30,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 179 states and 313 transitions. [2021-11-23 00:54:30,698 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 313 transitions. [2021-11-23 00:54:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:54:30,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:54:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 180 states and 313 transitions. [2021-11-23 00:54:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 313 transitions. [2021-11-23 00:54:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:54:30,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,894 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:30,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 183 states and 317 transitions. [2021-11-23 00:54:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 317 transitions. [2021-11-23 00:54:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:54:30,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:30,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 186 states and 331 transitions. [2021-11-23 00:54:31,301 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 331 transitions. [2021-11-23 00:54:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:54:31,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,387 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 187 states and 331 transitions. [2021-11-23 00:54:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 331 transitions. [2021-11-23 00:54:31,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:31,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:31,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 192 states and 350 transitions. [2021-11-23 00:54:31,937 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 350 transitions. [2021-11-23 00:54:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:31,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:31,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:32,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 194 states and 355 transitions. [2021-11-23 00:54:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 355 transitions. [2021-11-23 00:54:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:32,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,216 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:32,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 195 states and 355 transitions. [2021-11-23 00:54:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 355 transitions. [2021-11-23 00:54:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:54:32,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 198 states and 366 transitions. [2021-11-23 00:54:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 366 transitions. [2021-11-23 00:54:32,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:32,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:32,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 201 states and 372 transitions. [2021-11-23 00:54:33,047 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 372 transitions. [2021-11-23 00:54:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:33,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:33,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 202 states and 373 transitions. [2021-11-23 00:54:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 373 transitions. [2021-11-23 00:54:33,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:33,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 203 states and 374 transitions. [2021-11-23 00:54:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 374 transitions. [2021-11-23 00:54:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:54:33,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 204 states and 374 transitions. [2021-11-23 00:54:33,414 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 374 transitions. [2021-11-23 00:54:33,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:33,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:33,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 207 states and 380 transitions. [2021-11-23 00:54:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 380 transitions. [2021-11-23 00:54:33,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:33,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 208 states and 381 transitions. [2021-11-23 00:54:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 381 transitions. [2021-11-23 00:54:33,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:54:33,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:33,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 212 states and 396 transitions. [2021-11-23 00:54:34,696 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 396 transitions. [2021-11-23 00:54:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:54:34,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:34,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,774 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 213 states and 398 transitions. [2021-11-23 00:54:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 398 transitions. [2021-11-23 00:54:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:54:34,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:34,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,878 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 214 states and 399 transitions. [2021-11-23 00:54:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 399 transitions. [2021-11-23 00:54:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:54:34,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:34,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:35,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:35,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 215 states and 400 transitions. [2021-11-23 00:54:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 400 transitions. [2021-11-23 00:54:35,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:54:35,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:35,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:35,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:35,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 216 states and 400 transitions. [2021-11-23 00:54:35,173 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 400 transitions. [2021-11-23 00:54:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:54:35,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:35,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:35,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 219 states and 405 transitions. [2021-11-23 00:54:35,326 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 405 transitions. [2021-11-23 00:54:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:54:35,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:35,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:37,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:37,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 233 states and 441 transitions. [2021-11-23 00:54:37,048 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 441 transitions. [2021-11-23 00:54:37,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:54:37,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:37,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:37,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:39,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:54:41,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:54:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:41,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 238 states and 449 transitions. [2021-11-23 00:54:41,445 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 449 transitions. [2021-11-23 00:54:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:54:41,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:41,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:41,572 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 239 states and 450 transitions. [2021-11-23 00:54:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 450 transitions. [2021-11-23 00:54:41,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:54:41,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:41,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:41,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:41,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 240 states and 450 transitions. [2021-11-23 00:54:41,701 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 450 transitions. [2021-11-23 00:54:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:41,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:41,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:41,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:44,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:54:46,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:54:46,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:46,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 245 states and 458 transitions. [2021-11-23 00:54:46,374 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 458 transitions. [2021-11-23 00:54:46,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:54:46,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:46,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:46,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:46,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 246 states and 458 transitions. [2021-11-23 00:54:46,463 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 458 transitions. [2021-11-23 00:54:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:54:46,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:46,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:46,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:46,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 249 states and 463 transitions. [2021-11-23 00:54:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 463 transitions. [2021-11-23 00:54:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:46,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:46,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:46,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 250 states and 463 transitions. [2021-11-23 00:54:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 463 transitions. [2021-11-23 00:54:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:54:46,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:46,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:54:49,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:54:52,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:54:52,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:52,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 255 states and 471 transitions. [2021-11-23 00:54:52,670 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 471 transitions. [2021-11-23 00:54:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:52,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:52,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:52,744 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:54:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 258 states and 475 transitions. [2021-11-23 00:54:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 475 transitions. [2021-11-23 00:54:52,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:54:52,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:52,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:54:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 259 states and 475 transitions. [2021-11-23 00:54:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 475 transitions. [2021-11-23 00:54:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:54:52,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:52,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:53,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:54:59,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:05,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:05,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 260 states and 478 transitions. [2021-11-23 00:55:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 478 transitions. [2021-11-23 00:55:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:05,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:05,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:05,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:05,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 261 states and 478 transitions. [2021-11-23 00:55:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 478 transitions. [2021-11-23 00:55:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:55:05,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:05,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:55:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 266 states and 495 transitions. [2021-11-23 00:55:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 495 transitions. [2021-11-23 00:55:06,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:55:06,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:06,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 269 states and 499 transitions. [2021-11-23 00:55:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 499 transitions. [2021-11-23 00:55:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:55:06,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:06,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:06,864 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:55:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 270 states and 500 transitions. [2021-11-23 00:55:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 500 transitions. [2021-11-23 00:55:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:55:07,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:07,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:55:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 271 states and 500 transitions. [2021-11-23 00:55:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 500 transitions. [2021-11-23 00:55:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:55:07,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:07,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:55:10,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:15,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 272 states and 501 transitions. [2021-11-23 00:55:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 501 transitions. [2021-11-23 00:55:16,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:55:16,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,160 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 273 states and 501 transitions. [2021-11-23 00:55:16,180 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 501 transitions. [2021-11-23 00:55:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:55:16,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:55:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 274 states and 501 transitions. [2021-11-23 00:55:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 501 transitions. [2021-11-23 00:55:16,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:55:16,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,496 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:55:16,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 275 states and 502 transitions. [2021-11-23 00:55:16,677 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 502 transitions. [2021-11-23 00:55:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:55:16,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 28 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:55:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 276 states and 502 transitions. [2021-11-23 00:55:16,889 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 502 transitions. [2021-11-23 00:55:16,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:55:16,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:16,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:17,079 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:55:19,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:22,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:28,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:33,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:35,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:41,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:41,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:41,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 281 states and 512 transitions. [2021-11-23 00:55:41,405 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 512 transitions. [2021-11-23 00:55:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:55:41,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:41,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:41,490 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:55:44,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:48,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:55:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 286 states and 519 transitions. [2021-11-23 00:55:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 519 transitions. [2021-11-23 00:55:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:55:48,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:48,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:55:55,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:02,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:10,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:13,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:15,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:20,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:20,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 291 states and 529 transitions. [2021-11-23 00:56:20,776 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 529 transitions. [2021-11-23 00:56:20,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:56:20,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:20,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:56:21,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 293 states and 532 transitions. [2021-11-23 00:56:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 532 transitions. [2021-11-23 00:56:21,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:56:21,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:21,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:56:21,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 294 states and 532 transitions. [2021-11-23 00:56:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 532 transitions. [2021-11-23 00:56:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:56:21,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:21,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:56:28,372 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:30,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:33,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:37,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 00:56:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 299 states and 542 transitions. [2021-11-23 00:56:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 542 transitions. [2021-11-23 00:56:37,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:56:37,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:37,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,014 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:56:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 300 states and 542 transitions. [2021-11-23 00:56:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 542 transitions. [2021-11-23 00:56:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:56:38,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:38,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,185 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:56:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:38,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 301 states and 542 transitions. [2021-11-23 00:56:38,395 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 542 transitions. [2021-11-23 00:56:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:56:38,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:38,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:56:38,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:38,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 304 states and 547 transitions. [2021-11-23 00:56:38,519 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 547 transitions. [2021-11-23 00:56:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:56:38,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:38,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,618 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-23 00:56:38,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 305 states and 547 transitions. [2021-11-23 00:56:38,742 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 547 transitions. [2021-11-23 00:56:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:56:38,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:38,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:56:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 306 states and 547 transitions. [2021-11-23 00:56:39,049 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 547 transitions. [2021-11-23 00:56:39,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:56:39,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:39,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:56:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 309 states and 552 transitions. [2021-11-23 00:56:39,189 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 552 transitions. [2021-11-23 00:56:39,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:56:39,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:39,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:39,308 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:56:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 310 states and 553 transitions. [2021-11-23 00:56:39,323 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 553 transitions. [2021-11-23 00:56:39,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:56:39,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:39,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:39,409 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:56:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:39,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 311 states and 554 transitions. [2021-11-23 00:56:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 554 transitions. [2021-11-23 00:56:39,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:56:39,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:39,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:56:39,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:39,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 313 states and 556 transitions. [2021-11-23 00:56:39,926 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 556 transitions. [2021-11-23 00:56:39,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:56:39,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:39,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:56:40,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 314 states and 556 transitions. [2021-11-23 00:56:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 556 transitions. [2021-11-23 00:56:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:56:40,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:40,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 00:56:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:40,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 315 states and 556 transitions. [2021-11-23 00:56:40,535 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 556 transitions. [2021-11-23 00:56:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:56:40,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:40,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:40,825 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:41,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:41,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 317 states and 557 transitions. [2021-11-23 00:56:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 557 transitions. [2021-11-23 00:56:41,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:56:41,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:41,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:56:41,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 320 states and 562 transitions. [2021-11-23 00:56:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 562 transitions. [2021-11-23 00:56:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:56:41,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:41,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:41,782 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:56:42,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:42,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 323 states and 565 transitions. [2021-11-23 00:56:42,290 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 565 transitions. [2021-11-23 00:56:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:56:42,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:42,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:42,396 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:56:42,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 324 states and 565 transitions. [2021-11-23 00:56:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 565 transitions. [2021-11-23 00:56:42,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:56:42,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:42,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 326 states and 567 transitions. [2021-11-23 00:56:43,863 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 567 transitions. [2021-11-23 00:56:43,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:56:43,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:43,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:44,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:44,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 328 states and 568 transitions. [2021-11-23 00:56:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 568 transitions. [2021-11-23 00:56:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:56:44,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:44,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:44,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:56:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 331 states and 571 transitions. [2021-11-23 00:56:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 571 transitions. [2021-11-23 00:56:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:56:45,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:45,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:56:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 332 states and 571 transitions. [2021-11-23 00:56:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 571 transitions. [2021-11-23 00:56:45,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:56:45,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:45,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:45,407 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 334 states and 572 transitions. [2021-11-23 00:56:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 572 transitions. [2021-11-23 00:56:46,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:56:46,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,275 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:56:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 339 states and 579 transitions. [2021-11-23 00:56:46,319 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 579 transitions. [2021-11-23 00:56:46,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:56:46,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:56:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 344 states and 586 transitions. [2021-11-23 00:56:46,482 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 586 transitions. [2021-11-23 00:56:46,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:56:46,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:46,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:46,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:46,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 346 states and 589 transitions. [2021-11-23 00:56:47,210 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 589 transitions. [2021-11-23 00:56:47,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:56:47,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:56:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 351 states and 596 transitions. [2021-11-23 00:56:47,370 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 596 transitions. [2021-11-23 00:56:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:56:47,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:56:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:47,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 352 states and 598 transitions. [2021-11-23 00:56:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 598 transitions. [2021-11-23 00:56:47,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:56:47,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:47,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 356 states and 605 transitions. [2021-11-23 00:56:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 605 transitions. [2021-11-23 00:56:48,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:56:48,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:48,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:56:49,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 362 states and 615 transitions. [2021-11-23 00:56:49,394 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 615 transitions. [2021-11-23 00:56:49,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:56:49,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:49,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:56:50,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 368 states and 625 transitions. [2021-11-23 00:56:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 625 transitions. [2021-11-23 00:56:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:56:50,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:50,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 00:56:51,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 374 states and 635 transitions. [2021-11-23 00:56:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 635 transitions. [2021-11-23 00:56:51,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:56:51,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:51,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 375 states and 637 transitions. [2021-11-23 00:56:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 637 transitions. [2021-11-23 00:56:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:56:51,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:51,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:56:51,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 376 states and 639 transitions. [2021-11-23 00:56:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 639 transitions. [2021-11-23 00:56:51,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:56:51,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:51,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:56:52,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 377 states and 641 transitions. [2021-11-23 00:56:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 641 transitions. [2021-11-23 00:56:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:56:52,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:52,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:56:53,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:53,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 386 states and 657 transitions. [2021-11-23 00:56:53,613 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 657 transitions. [2021-11-23 00:56:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:56:53,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:53,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:56:54,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 395 states and 673 transitions. [2021-11-23 00:56:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 673 transitions. [2021-11-23 00:56:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:56:54,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:54,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:54,986 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:56:55,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 405 states and 687 transitions. [2021-11-23 00:56:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 687 transitions. [2021-11-23 00:56:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:56:55,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:55,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:56:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:56,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 414 states and 703 transitions. [2021-11-23 00:56:56,425 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 703 transitions. [2021-11-23 00:56:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:56:56,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:56,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:56:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 424 states and 717 transitions. [2021-11-23 00:56:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 717 transitions. [2021-11-23 00:56:56,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:56:56,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:56,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 00:56:56,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 434 states and 731 transitions. [2021-11-23 00:56:56,950 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 731 transitions. [2021-11-23 00:56:56,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:56:56,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:56,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:57,096 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 00:56:57,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 438 states and 738 transitions. [2021-11-23 00:56:57,980 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 738 transitions. [2021-11-23 00:56:57,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:56:57,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:57,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 00:56:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 442 states and 745 transitions. [2021-11-23 00:56:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 745 transitions. [2021-11-23 00:56:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:56:58,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:58,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:59,143 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 00:57:00,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:00,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 446 states and 752 transitions. [2021-11-23 00:57:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 752 transitions. [2021-11-23 00:57:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:57:00,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:00,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:00,423 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:57:00,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:00,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 447 states and 754 transitions. [2021-11-23 00:57:00,705 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 754 transitions. [2021-11-23 00:57:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:57:00,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:00,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:00,960 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-23 00:57:01,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:01,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 448 states and 756 transitions. [2021-11-23 00:57:01,434 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 756 transitions. [2021-11-23 00:57:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:57:01,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:01,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 00:57:03,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:03,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 457 states and 775 transitions. [2021-11-23 00:57:03,280 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 775 transitions. [2021-11-23 00:57:03,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:57:03,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:03,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:57:04,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:04,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 458 states and 776 transitions. [2021-11-23 00:57:04,029 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 776 transitions. [2021-11-23 00:57:04,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:57:04,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:04,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:57:04,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 459 states and 777 transitions. [2021-11-23 00:57:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 777 transitions. [2021-11-23 00:57:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:57:04,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:04,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 00:57:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 460 states and 778 transitions. [2021-11-23 00:57:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 778 transitions. [2021-11-23 00:57:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:57:05,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:05,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:05,449 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:57:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 469 states and 793 transitions. [2021-11-23 00:57:06,992 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 793 transitions. [2021-11-23 00:57:06,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:57:06,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:06,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:07,125 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:57:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 478 states and 808 transitions. [2021-11-23 00:57:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 808 transitions. [2021-11-23 00:57:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:57:08,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:08,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:08,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:09,135 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-23 00:57:10,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:10,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 487 states and 823 transitions. [2021-11-23 00:57:10,694 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 823 transitions. [2021-11-23 00:57:10,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:57:10,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:10,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 00:57:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 401 states and 673 transitions. [2021-11-23 00:57:12,385 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 673 transitions. [2021-11-23 00:57:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:57:12,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:12,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 00:57:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 312 states and 520 transitions. [2021-11-23 00:57:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 520 transitions. [2021-11-23 00:57:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:57:14,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:14,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-11-23 00:57:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 220 states and 365 transitions. [2021-11-23 00:57:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 365 transitions. [2021-11-23 00:57:16,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:57:16,478 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 119 iterations. [2021-11-23 00:57:16,489 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:57:17,165 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,171 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,172 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,172 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,172 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,172 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,173 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,173 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,173 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,173 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,173 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,174 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,175 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,175 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,175 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,175 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,175 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,176 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,176 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,176 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,176 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,177 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,177 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,177 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,177 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,177 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,177 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,178 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:57:17,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:57:17 ImpRootNode [2021-11-23 00:57:17,178 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:57:17,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:57:17,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:57:17,180 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:57:17,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:54:26" (3/4) ... [2021-11-23 00:57:17,185 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:57:17,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2021-11-23 00:57:17,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2021-11-23 00:57:17,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2021-11-23 00:57:17,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-23 00:57:17,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2021-11-23 00:57:17,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2021-11-23 00:57:17,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2021-11-23 00:57:17,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2021-11-23 00:57:17,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2021-11-23 00:57:17,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2021-11-23 00:57:17,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2021-11-23 00:57:17,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 185 nodes and edges [2021-11-23 00:57:17,241 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 65 nodes and edges [2021-11-23 00:57:17,244 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 00:57:17,246 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 00:57:17,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:57:17,251 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:57:17,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:57:17,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:57:17,464 INFO L158 Benchmark]: Toolchain (without parser) took 174995.01ms. Allocated memory was 123.7MB in the beginning and 536.9MB in the end (delta: 413.1MB). Free memory was 77.6MB in the beginning and 311.4MB in the end (delta: -233.9MB). Peak memory consumption was 178.2MB. Max. memory is 16.1GB. [2021-11-23 00:57:17,465 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 123.7MB. Free memory was 97.6MB in the beginning and 97.5MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:57:17,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1942.98ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 77.3MB in the beginning and 96.1MB in the end (delta: -18.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. [2021-11-23 00:57:17,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 161.65ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 87.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:57:17,466 INFO L158 Benchmark]: Boogie Preprocessor took 115.51ms. Allocated memory is still 155.2MB. Free memory was 87.8MB in the beginning and 80.2MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:57:17,467 INFO L158 Benchmark]: RCFGBuilder took 2009.33ms. Allocated memory was 155.2MB in the beginning and 291.5MB in the end (delta: 136.3MB). Free memory was 80.2MB in the beginning and 192.5MB in the end (delta: -112.3MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2021-11-23 00:57:17,467 INFO L158 Benchmark]: CodeCheck took 170474.01ms. Allocated memory was 291.5MB in the beginning and 536.9MB in the end (delta: 245.4MB). Free memory was 192.5MB in the beginning and 342.9MB in the end (delta: -150.4MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. [2021-11-23 00:57:17,468 INFO L158 Benchmark]: Witness Printer took 284.46ms. Allocated memory is still 536.9MB. Free memory was 341.8MB in the beginning and 311.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 00:57:17,470 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 12 procedures, 111 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 169.7s, OverallIterations: 119, 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, 91328 SdHoareTripleChecker+Valid, 7137.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75682 mSDsluCounter, 86197 SdHoareTripleChecker+Invalid, 7027.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102346 mSDsCounter, 13297 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94639 IncrementalHoareTripleChecker+Invalid, 107936 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13297 mSolverCounterUnsat, 13393 mSDtfsCounter, 94639 mSolverCounterSat, 2.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51283 GetRequests, 50694 SyntacticMatches, 81 SemanticMatches, 508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130526 ImplicationChecksByTransitivity, 36.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 10.8s InterpolantComputationTime, 4919 NumberOfCodeBlocks, 4919 NumberOfCodeBlocksAsserted, 118 NumberOfCheckSat, 4801 ConstructedInterpolants, 0 QuantifiedInterpolants, 10661 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 118 InterpolantComputations, 105 PerfectInterpolantSequences, 2035/2090 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: 7671]: 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: 7548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8036]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8053]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8083]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6747]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6741]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7420]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6703]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7556]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 123.7MB. Free memory was 97.6MB in the beginning and 97.5MB in the end (delta: 29.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1942.98ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 77.3MB in the beginning and 96.1MB in the end (delta: -18.9MB). Peak memory consumption was 64.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 161.65ms. Allocated memory is still 155.2MB. Free memory was 96.1MB in the beginning and 87.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.51ms. Allocated memory is still 155.2MB. Free memory was 87.8MB in the beginning and 80.2MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2009.33ms. Allocated memory was 155.2MB in the beginning and 291.5MB in the end (delta: 136.3MB). Free memory was 80.2MB in the beginning and 192.5MB in the end (delta: -112.3MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * CodeCheck took 170474.01ms. Allocated memory was 291.5MB in the beginning and 536.9MB in the end (delta: 245.4MB). Free memory was 192.5MB in the beginning and 342.9MB in the end (delta: -150.4MB). Peak memory consumption was 95.0MB. Max. memory is 16.1GB. * Witness Printer took 284.46ms. Allocated memory is still 536.9MB. Free memory was 341.8MB in the beginning and 311.4MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:57:17,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72168fbf-38d4-498e-be42-e468a3dd4a64/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE