./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.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_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:26:48,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:26:48,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:26:48,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:26:48,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:26:48,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:26:48,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:26:48,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:26:48,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:26:48,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:26:48,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:26:48,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:26:48,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:26:48,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:26:48,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:26:48,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:26:48,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:26:48,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:26:48,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:26:48,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:26:48,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:26:48,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:26:48,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:26:48,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:26:48,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:26:48,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:26:48,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:26:48,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:26:48,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:26:48,514 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:26:48,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:26:48,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:26:48,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:26:48,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:26:48,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:26:48,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:26:48,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:26:48,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:26:48,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:26:48,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:26:48,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:26:48,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 11:26:48,574 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:26:48,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:26:48,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:26:48,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:26:48,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:26:48,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:26:48,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:26:48,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:26:48,578 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:26:48,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:26:48,580 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 11:26:48,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:26:48,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:26:48,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:26:48,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:26:48,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:26:48,582 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 11:26:48,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:26:48,582 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:26:48,583 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:26:48,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:26:48,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:26:48,584 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:26:48,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:26:48,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:26:48,585 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:26:48,585 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:26:48,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:26:48,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:26:48,586 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:26:48,586 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:26:48,586 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:26:48,587 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_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2022-11-20 11:26:48,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:26:48,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:26:48,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:26:48,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:26:48,966 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:26:48,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-20 11:26:52,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:26:52,763 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:26:52,763 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-20 11:26:52,800 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data/3806c5515/028f9a93deab4038ad844b84a9ba1db8/FLAGb54a0ac45 [2022-11-20 11:26:52,820 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data/3806c5515/028f9a93deab4038ad844b84a9ba1db8 [2022-11-20 11:26:52,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:26:52,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:26:52,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:26:52,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:26:52,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:26:52,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:26:52" (1/1) ... [2022-11-20 11:26:52,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3610dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:52, skipping insertion in model container [2022-11-20 11:26:52,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:26:52" (1/1) ... [2022-11-20 11:26:52,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:26:52,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:26:54,172 WARN L237 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_0bd78b59-82c7-4807-99f8-c8e1191b9699/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] [2022-11-20 11:26:54,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:26:54,314 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:26:54,756 WARN L237 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_0bd78b59-82c7-4807-99f8-c8e1191b9699/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] [2022-11-20 11:26:54,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:26:54,802 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:26:54,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54 WrapperNode [2022-11-20 11:26:54,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:26:54,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:26:54,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:26:54,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:26:54,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:54,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:54,983 INFO L138 Inliner]: procedures = 127, calls = 982, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 886 [2022-11-20 11:26:54,983 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:26:54,984 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:26:54,984 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:26:54,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:26:54,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:54,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:26:55,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:26:55,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:26:55,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:26:55,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (1/1) ... [2022-11-20 11:26:55,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:26:55,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:26:55,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:26:55,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:26:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:26:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:26:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2022-11-20 11:26:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2022-11-20 11:26:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-20 11:26:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-20 11:26:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:26:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 11:26:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 11:26:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:26:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:26:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2022-11-20 11:26:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2022-11-20 11:26:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:26:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:26:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:26:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:26:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:26:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2022-11-20 11:26:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2022-11-20 11:26:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:26:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:26:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:26:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:26:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2022-11-20 11:26:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2022-11-20 11:26:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:26:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 11:26:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 11:26:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:26:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:26:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:26:55,733 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:26:55,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:26:57,309 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:26:57,319 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:26:57,321 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:26:57,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:57 BoogieIcfgContainer [2022-11-20 11:26:57,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:26:57,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:26:57,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:26:57,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:26:57,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:26:52" (1/3) ... [2022-11-20 11:26:57,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189c7b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:57, skipping insertion in model container [2022-11-20 11:26:57,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:26:54" (2/3) ... [2022-11-20 11:26:57,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@189c7b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:26:57, skipping insertion in model container [2022-11-20 11:26:57,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:57" (3/3) ... [2022-11-20 11:26:57,334 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-20 11:26:57,353 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:26:57,354 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-11-20 11:26:57,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:26:57,413 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@be99ba4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:26:57,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-20 11:26:57,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 256 states, 196 states have (on average 1.433673469387755) internal successors, (281), 225 states have internal predecessors, (281), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-20 11:26:57,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 11:26:57,426 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:57,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:26:57,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:26:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1139826631, now seen corresponding path program 1 times [2022-11-20 11:26:57,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:26:57,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482607932] [2022-11-20 11:26:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:57,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:26:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:57,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-20 11:26:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:26:58,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:26:58,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482607932] [2022-11-20 11:26:58,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482607932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:58,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:58,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:26:58,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098314263] [2022-11-20 11:26:58,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:58,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:26:58,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:26:58,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:26:58,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:26:58,071 INFO L87 Difference]: Start difference. First operand has 256 states, 196 states have (on average 1.433673469387755) internal successors, (281), 225 states have internal predecessors, (281), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:26:58,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:58,561 INFO L93 Difference]: Finished difference Result 530 states and 700 transitions. [2022-11-20 11:26:58,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:26:58,564 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-20 11:26:58,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:58,585 INFO L225 Difference]: With dead ends: 530 [2022-11-20 11:26:58,585 INFO L226 Difference]: Without dead ends: 248 [2022-11-20 11:26:58,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:26:58,593 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 112 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:58,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 649 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:26:58,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-20 11:26:58,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2022-11-20 11:26:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 196 states have (on average 1.413265306122449) internal successors, (277), 215 states have internal predecessors, (277), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-20 11:26:58,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 319 transitions. [2022-11-20 11:26:58,656 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 319 transitions. Word has length 20 [2022-11-20 11:26:58,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:58,656 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 319 transitions. [2022-11-20 11:26:58,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:26:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 319 transitions. [2022-11-20 11:26:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 11:26:58,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:58,659 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:26:58,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:26:58,660 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:26:58,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:58,660 INFO L85 PathProgramCache]: Analyzing trace with hash 290634571, now seen corresponding path program 1 times [2022-11-20 11:26:58,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:26:58,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849213543] [2022-11-20 11:26:58,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:58,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:26:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:58,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:26:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 11:26:58,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:26:58,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849213543] [2022-11-20 11:26:58,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849213543] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:58,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:58,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:26:58,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782449808] [2022-11-20 11:26:58,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:58,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:26:58,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:26:58,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:26:58,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:26:58,985 INFO L87 Difference]: Start difference. First operand 245 states and 319 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:26:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:26:59,641 INFO L93 Difference]: Finished difference Result 731 states and 957 transitions. [2022-11-20 11:26:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:26:59,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-11-20 11:26:59,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:26:59,647 INFO L225 Difference]: With dead ends: 731 [2022-11-20 11:26:59,648 INFO L226 Difference]: Without dead ends: 489 [2022-11-20 11:26:59,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:26:59,654 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 387 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1336 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:26:59,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 1336 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 11:26:59,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-11-20 11:26:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 247. [2022-11-20 11:26:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 198 states have (on average 1.4090909090909092) internal successors, (279), 217 states have internal predecessors, (279), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-11-20 11:26:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 321 transitions. [2022-11-20 11:26:59,736 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 321 transitions. Word has length 32 [2022-11-20 11:26:59,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:26:59,737 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 321 transitions. [2022-11-20 11:26:59,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:26:59,738 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 321 transitions. [2022-11-20 11:26:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 11:26:59,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:26:59,741 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:26:59,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:26:59,742 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:26:59,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:26:59,742 INFO L85 PathProgramCache]: Analyzing trace with hash 618395867, now seen corresponding path program 1 times [2022-11-20 11:26:59,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:26:59,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443310208] [2022-11-20 11:26:59,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:26:59,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:26:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:59,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:26:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:26:59,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:26:59,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:26:59,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443310208] [2022-11-20 11:26:59,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443310208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:26:59,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:26:59,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:26:59,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986936500] [2022-11-20 11:26:59,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:26:59,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:26:59,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:26:59,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:26:59,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:26:59,959 INFO L87 Difference]: Start difference. First operand 247 states and 321 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:27:00,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:00,338 INFO L93 Difference]: Finished difference Result 580 states and 751 transitions. [2022-11-20 11:27:00,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:27:00,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2022-11-20 11:27:00,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:00,343 INFO L225 Difference]: With dead ends: 580 [2022-11-20 11:27:00,343 INFO L226 Difference]: Without dead ends: 336 [2022-11-20 11:27:00,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:27:00,351 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 332 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:00,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 491 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:27:00,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-11-20 11:27:00,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 329. [2022-11-20 11:27:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 266 states have (on average 1.3909774436090225) internal successors, (370), 285 states have internal predecessors, (370), 27 states have call successors, (27), 18 states have call predecessors, (27), 18 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-11-20 11:27:00,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 424 transitions. [2022-11-20 11:27:00,384 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 424 transitions. Word has length 35 [2022-11-20 11:27:00,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:00,385 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 424 transitions. [2022-11-20 11:27:00,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 11:27:00,385 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 424 transitions. [2022-11-20 11:27:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 11:27:00,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:00,394 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:00,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:27:00,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:00,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:00,395 INFO L85 PathProgramCache]: Analyzing trace with hash -386505399, now seen corresponding path program 1 times [2022-11-20 11:27:00,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:00,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674744988] [2022-11-20 11:27:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:00,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 11:27:00,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:00,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674744988] [2022-11-20 11:27:00,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674744988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:00,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:00,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:00,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100593187] [2022-11-20 11:27:00,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:00,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:00,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:00,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:00,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:00,759 INFO L87 Difference]: Start difference. First operand 329 states and 424 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:27:01,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:01,193 INFO L93 Difference]: Finished difference Result 562 states and 725 transitions. [2022-11-20 11:27:01,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:27:01,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2022-11-20 11:27:01,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:01,196 INFO L225 Difference]: With dead ends: 562 [2022-11-20 11:27:01,196 INFO L226 Difference]: Without dead ends: 560 [2022-11-20 11:27:01,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:27:01,198 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 322 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:01,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 607 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:27:01,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-11-20 11:27:01,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 540. [2022-11-20 11:27:01,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 451 states have (on average 1.394678492239468) internal successors, (629), 472 states have internal predecessors, (629), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-11-20 11:27:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 715 transitions. [2022-11-20 11:27:01,235 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 715 transitions. Word has length 41 [2022-11-20 11:27:01,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:01,236 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 715 transitions. [2022-11-20 11:27:01,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 11:27:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 715 transitions. [2022-11-20 11:27:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 11:27:01,237 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:01,237 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:01,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 11:27:01,238 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:01,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:01,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1620905392, now seen corresponding path program 1 times [2022-11-20 11:27:01,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:01,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81449709] [2022-11-20 11:27:01,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:01,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 11:27:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:01,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:27:01,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:01,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81449709] [2022-11-20 11:27:01,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81449709] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:01,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:01,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:01,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163834758] [2022-11-20 11:27:01,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:01,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:01,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:01,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:01,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:01,482 INFO L87 Difference]: Start difference. First operand 540 states and 715 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:27:01,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:01,765 INFO L93 Difference]: Finished difference Result 1097 states and 1459 transitions. [2022-11-20 11:27:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:01,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 62 [2022-11-20 11:27:01,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:01,769 INFO L225 Difference]: With dead ends: 1097 [2022-11-20 11:27:01,769 INFO L226 Difference]: Without dead ends: 573 [2022-11-20 11:27:01,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:27:01,771 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 92 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:01,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 615 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:27:01,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-11-20 11:27:01,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 567. [2022-11-20 11:27:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 478 states have (on average 1.3849372384937237) internal successors, (662), 499 states have internal predecessors, (662), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-11-20 11:27:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 748 transitions. [2022-11-20 11:27:01,811 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 748 transitions. Word has length 62 [2022-11-20 11:27:01,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:01,811 INFO L495 AbstractCegarLoop]: Abstraction has 567 states and 748 transitions. [2022-11-20 11:27:01,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:27:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 748 transitions. [2022-11-20 11:27:01,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-20 11:27:01,813 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:01,813 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:01,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 11:27:01,814 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:01,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:01,814 INFO L85 PathProgramCache]: Analyzing trace with hash 797621959, now seen corresponding path program 1 times [2022-11-20 11:27:01,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:01,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648657404] [2022-11-20 11:27:01,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:01,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 11:27:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,055 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 11:27:02,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:02,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648657404] [2022-11-20 11:27:02,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648657404] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:02,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:02,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:02,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160323715] [2022-11-20 11:27:02,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:02,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:02,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:02,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:02,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:02,057 INFO L87 Difference]: Start difference. First operand 567 states and 748 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:27:02,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:02,336 INFO L93 Difference]: Finished difference Result 573 states and 756 transitions. [2022-11-20 11:27:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:02,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2022-11-20 11:27:02,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:02,339 INFO L225 Difference]: With dead ends: 573 [2022-11-20 11:27:02,339 INFO L226 Difference]: Without dead ends: 572 [2022-11-20 11:27:02,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:27:02,341 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 82 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:02,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 615 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:27:02,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-11-20 11:27:02,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2022-11-20 11:27:02,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 478 states have (on average 1.3786610878661087) internal successors, (659), 498 states have internal predecessors, (659), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-11-20 11:27:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 745 transitions. [2022-11-20 11:27:02,374 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 745 transitions. Word has length 67 [2022-11-20 11:27:02,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:02,375 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 745 transitions. [2022-11-20 11:27:02,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 11:27:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 745 transitions. [2022-11-20 11:27:02,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 11:27:02,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:02,377 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:02,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 11:27:02,377 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:02,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:02,378 INFO L85 PathProgramCache]: Analyzing trace with hash 64467710, now seen corresponding path program 1 times [2022-11-20 11:27:02,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:02,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066981420] [2022-11-20 11:27:02,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:02,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 11:27:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 11:27:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 11:27:02,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:02,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066981420] [2022-11-20 11:27:02,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066981420] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:02,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:02,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:27:02,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403661206] [2022-11-20 11:27:02,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:02,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:02,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:02,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:02,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:02,634 INFO L87 Difference]: Start difference. First operand 566 states and 745 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:27:03,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:03,001 INFO L93 Difference]: Finished difference Result 904 states and 1174 transitions. [2022-11-20 11:27:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:27:03,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2022-11-20 11:27:03,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:03,006 INFO L225 Difference]: With dead ends: 904 [2022-11-20 11:27:03,007 INFO L226 Difference]: Without dead ends: 561 [2022-11-20 11:27:03,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:27:03,011 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 215 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:03,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 643 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:27:03,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-11-20 11:27:03,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 553. [2022-11-20 11:27:03,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 465 states have (on average 1.367741935483871) internal successors, (636), 485 states have internal predecessors, (636), 43 states have call successors, (43), 28 states have call predecessors, (43), 28 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-11-20 11:27:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 722 transitions. [2022-11-20 11:27:03,061 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 722 transitions. Word has length 68 [2022-11-20 11:27:03,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:03,061 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 722 transitions. [2022-11-20 11:27:03,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:27:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 722 transitions. [2022-11-20 11:27:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 11:27:03,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:03,063 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:03,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 11:27:03,064 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:03,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:03,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1043522970, now seen corresponding path program 1 times [2022-11-20 11:27:03,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:03,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913165867] [2022-11-20 11:27:03,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:03,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:03,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-20 11:27:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 11:27:03,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:03,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913165867] [2022-11-20 11:27:03,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913165867] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:03,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368344706] [2022-11-20 11:27:03,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:03,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:03,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:03,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:03,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 11:27:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:03,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 1002 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 11:27:03,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 11:27:03,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:03,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368344706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:03,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:27:03,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 9 [2022-11-20 11:27:03,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551018796] [2022-11-20 11:27:03,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:03,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:27:03,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:03,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:27:03,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:27:03,911 INFO L87 Difference]: Start difference. First operand 553 states and 722 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 11:27:05,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:27:07,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:27:08,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:08,353 INFO L93 Difference]: Finished difference Result 1593 states and 2092 transitions. [2022-11-20 11:27:08,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:27:08,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 68 [2022-11-20 11:27:08,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:08,364 INFO L225 Difference]: With dead ends: 1593 [2022-11-20 11:27:08,364 INFO L226 Difference]: Without dead ends: 1056 [2022-11-20 11:27:08,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-20 11:27:08,367 INFO L413 NwaCegarLoop]: 555 mSDtfsCounter, 429 mSDsluCounter, 1930 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 2485 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:08,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 2485 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 65 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-11-20 11:27:08,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2022-11-20 11:27:08,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 561. [2022-11-20 11:27:08,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 471 states have (on average 1.3630573248407643) internal successors, (642), 491 states have internal predecessors, (642), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-11-20 11:27:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 732 transitions. [2022-11-20 11:27:08,413 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 732 transitions. Word has length 68 [2022-11-20 11:27:08,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:08,413 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 732 transitions. [2022-11-20 11:27:08,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-20 11:27:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 732 transitions. [2022-11-20 11:27:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 11:27:08,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:08,415 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:08,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:08,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-20 11:27:08,622 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:08,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:08,623 INFO L85 PathProgramCache]: Analyzing trace with hash 481246602, now seen corresponding path program 1 times [2022-11-20 11:27:08,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:08,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205750843] [2022-11-20 11:27:08,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:08,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:08,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:08,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 11:27:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:27:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-20 11:27:08,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:08,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205750843] [2022-11-20 11:27:08,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205750843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:08,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:08,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:27:08,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860151153] [2022-11-20 11:27:08,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:08,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:27:08,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:08,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:27:08,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:27:08,959 INFO L87 Difference]: Start difference. First operand 561 states and 732 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:27:10,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:27:12,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:27:12,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:12,278 INFO L93 Difference]: Finished difference Result 1268 states and 1678 transitions. [2022-11-20 11:27:12,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:27:12,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2022-11-20 11:27:12,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:12,282 INFO L225 Difference]: With dead ends: 1268 [2022-11-20 11:27:12,282 INFO L226 Difference]: Without dead ends: 723 [2022-11-20 11:27:12,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:12,284 INFO L413 NwaCegarLoop]: 272 mSDtfsCounter, 449 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:12,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 728 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 11:27:12,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-11-20 11:27:12,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 561. [2022-11-20 11:27:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 471 states have (on average 1.3588110403397027) internal successors, (640), 489 states have internal predecessors, (640), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-11-20 11:27:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 730 transitions. [2022-11-20 11:27:12,330 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 730 transitions. Word has length 76 [2022-11-20 11:27:12,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:12,331 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 730 transitions. [2022-11-20 11:27:12,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-20 11:27:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 730 transitions. [2022-11-20 11:27:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 11:27:12,332 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:12,333 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:12,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 11:27:12,333 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:12,334 INFO L85 PathProgramCache]: Analyzing trace with hash -584361627, now seen corresponding path program 1 times [2022-11-20 11:27:12,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:12,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842465959] [2022-11-20 11:27:12,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:12,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:12,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:12,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:12,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 11:27:12,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:12,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842465959] [2022-11-20 11:27:12,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842465959] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:12,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:12,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:27:12,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828299007] [2022-11-20 11:27:12,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:12,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:12,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:12,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:12,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:12,695 INFO L87 Difference]: Start difference. First operand 561 states and 730 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 11:27:12,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:12,998 INFO L93 Difference]: Finished difference Result 1112 states and 1447 transitions. [2022-11-20 11:27:12,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:12,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 81 [2022-11-20 11:27:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:13,001 INFO L225 Difference]: With dead ends: 1112 [2022-11-20 11:27:13,001 INFO L226 Difference]: Without dead ends: 567 [2022-11-20 11:27:13,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:27:13,003 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 300 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:13,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 391 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:27:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2022-11-20 11:27:13,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 561. [2022-11-20 11:27:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 471 states have (on average 1.3290870488322717) internal successors, (626), 489 states have internal predecessors, (626), 45 states have call successors, (45), 28 states have call predecessors, (45), 28 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-11-20 11:27:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 716 transitions. [2022-11-20 11:27:13,053 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 716 transitions. Word has length 81 [2022-11-20 11:27:13,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:13,053 INFO L495 AbstractCegarLoop]: Abstraction has 561 states and 716 transitions. [2022-11-20 11:27:13,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 11:27:13,054 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 716 transitions. [2022-11-20 11:27:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 11:27:13,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:13,055 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:13,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 11:27:13,055 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:13,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:13,056 INFO L85 PathProgramCache]: Analyzing trace with hash -976881371, now seen corresponding path program 1 times [2022-11-20 11:27:13,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:13,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136882522] [2022-11-20 11:27:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:13,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 11:27:13,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:13,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136882522] [2022-11-20 11:27:13,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136882522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:13,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:13,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:27:13,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291999294] [2022-11-20 11:27:13,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:13,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:13,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:13,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:13,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:13,331 INFO L87 Difference]: Start difference. First operand 561 states and 716 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 11:27:13,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:13,730 INFO L93 Difference]: Finished difference Result 1348 states and 1760 transitions. [2022-11-20 11:27:13,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:13,731 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 81 [2022-11-20 11:27:13,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:13,735 INFO L225 Difference]: With dead ends: 1348 [2022-11-20 11:27:13,735 INFO L226 Difference]: Without dead ends: 803 [2022-11-20 11:27:13,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:13,737 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 197 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 775 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:13,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 775 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:27:13,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2022-11-20 11:27:13,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 629. [2022-11-20 11:27:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 533 states have (on average 1.324577861163227) internal successors, (706), 551 states have internal predecessors, (706), 51 states have call successors, (51), 28 states have call predecessors, (51), 28 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-20 11:27:13,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 808 transitions. [2022-11-20 11:27:13,798 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 808 transitions. Word has length 81 [2022-11-20 11:27:13,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:13,799 INFO L495 AbstractCegarLoop]: Abstraction has 629 states and 808 transitions. [2022-11-20 11:27:13,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 11:27:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 808 transitions. [2022-11-20 11:27:13,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 11:27:13,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:13,801 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:13,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 11:27:13,801 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:13,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1653273634, now seen corresponding path program 1 times [2022-11-20 11:27:13,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:13,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348387137] [2022-11-20 11:27:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 11:27:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:27:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:27:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,136 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 11:27:14,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:14,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348387137] [2022-11-20 11:27:14,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348387137] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:14,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463310634] [2022-11-20 11:27:14,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:14,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:14,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:14,139 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:14,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 11:27:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:14,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:27:14,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 11:27:14,624 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:14,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463310634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:14,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:27:14,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 11:27:14,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151253059] [2022-11-20 11:27:14,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:14,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:14,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:14,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:14,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:14,627 INFO L87 Difference]: Start difference. First operand 629 states and 808 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:27:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:14,707 INFO L93 Difference]: Finished difference Result 629 states and 808 transitions. [2022-11-20 11:27:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 88 [2022-11-20 11:27:14,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:14,711 INFO L225 Difference]: With dead ends: 629 [2022-11-20 11:27:14,711 INFO L226 Difference]: Without dead ends: 628 [2022-11-20 11:27:14,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:14,713 INFO L413 NwaCegarLoop]: 288 mSDtfsCounter, 58 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:14,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 544 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:27:14,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2022-11-20 11:27:14,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 604. [2022-11-20 11:27:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 509 states have (on average 1.3280943025540275) internal successors, (676), 526 states have internal predecessors, (676), 51 states have call successors, (51), 28 states have call predecessors, (51), 28 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2022-11-20 11:27:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 778 transitions. [2022-11-20 11:27:14,766 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 778 transitions. Word has length 88 [2022-11-20 11:27:14,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:14,766 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 778 transitions. [2022-11-20 11:27:14,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:27:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 778 transitions. [2022-11-20 11:27:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 11:27:14,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:14,768 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:14,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:14,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:14,976 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:14,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:14,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1734473947, now seen corresponding path program 1 times [2022-11-20 11:27:14,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:14,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304209974] [2022-11-20 11:27:14,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:14,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:15,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:15,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:15,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:15,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:27:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 11:27:15,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:15,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304209974] [2022-11-20 11:27:15,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304209974] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:15,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826467386] [2022-11-20 11:27:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:15,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:15,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:15,338 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:15,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 11:27:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:15,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 1265 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:27:15,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 11:27:15,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:27:15,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 11:27:15,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826467386] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:27:15,979 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:27:15,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-11-20 11:27:15,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778829313] [2022-11-20 11:27:15,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:27:15,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 11:27:15,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 11:27:15,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:27:15,980 INFO L87 Difference]: Start difference. First operand 604 states and 778 transitions. Second operand has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 5 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 11:27:16,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:16,729 INFO L93 Difference]: Finished difference Result 1998 states and 2708 transitions. [2022-11-20 11:27:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 11:27:16,730 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 5 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 93 [2022-11-20 11:27:16,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:16,737 INFO L225 Difference]: With dead ends: 1998 [2022-11-20 11:27:16,737 INFO L226 Difference]: Without dead ends: 1410 [2022-11-20 11:27:16,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:27:16,740 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 930 mSDsluCounter, 937 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:16,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 1289 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 11:27:16,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1410 states. [2022-11-20 11:27:16,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1410 to 742. [2022-11-20 11:27:16,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 637 states have (on average 1.3249607535321821) internal successors, (844), 652 states have internal predecessors, (844), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-20 11:27:16,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 970 transitions. [2022-11-20 11:27:16,819 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 970 transitions. Word has length 93 [2022-11-20 11:27:16,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:16,819 INFO L495 AbstractCegarLoop]: Abstraction has 742 states and 970 transitions. [2022-11-20 11:27:16,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 7 states have internal predecessors, (96), 5 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-20 11:27:16,820 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 970 transitions. [2022-11-20 11:27:16,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 11:27:16,822 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:16,822 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:16,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:17,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 11:27:17,030 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:17,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:17,031 INFO L85 PathProgramCache]: Analyzing trace with hash 701077386, now seen corresponding path program 1 times [2022-11-20 11:27:17,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:17,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025030610] [2022-11-20 11:27:17,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:17,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:27:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-20 11:27:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 11:27:17,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:17,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025030610] [2022-11-20 11:27:17,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025030610] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:17,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061925381] [2022-11-20 11:27:17,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:17,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:17,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:17,448 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:17,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 11:27:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:17,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:27:17,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:18,004 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-20 11:27:18,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:18,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061925381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:18,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:27:18,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 11:27:18,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506724065] [2022-11-20 11:27:18,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:18,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:18,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:18,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:18,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:18,007 INFO L87 Difference]: Start difference. First operand 742 states and 970 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-20 11:27:18,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:18,174 INFO L93 Difference]: Finished difference Result 1068 states and 1434 transitions. [2022-11-20 11:27:18,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:18,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 96 [2022-11-20 11:27:18,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:18,179 INFO L225 Difference]: With dead ends: 1068 [2022-11-20 11:27:18,180 INFO L226 Difference]: Without dead ends: 1066 [2022-11-20 11:27:18,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:18,181 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 244 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 1162 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:18,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 1162 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:27:18,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-11-20 11:27:18,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 740. [2022-11-20 11:27:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 637 states have (on average 1.3061224489795917) internal successors, (832), 650 states have internal predecessors, (832), 63 states have call successors, (63), 28 states have call predecessors, (63), 28 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-20 11:27:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 958 transitions. [2022-11-20 11:27:18,249 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 958 transitions. Word has length 96 [2022-11-20 11:27:18,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:18,250 INFO L495 AbstractCegarLoop]: Abstraction has 740 states and 958 transitions. [2022-11-20 11:27:18,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-20 11:27:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 958 transitions. [2022-11-20 11:27:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 11:27:18,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:18,252 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:18,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:18,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:18,460 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:18,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:18,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1916271954, now seen corresponding path program 1 times [2022-11-20 11:27:18,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:18,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463945587] [2022-11-20 11:27:18,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:18,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 11:27:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:27:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:27:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 11:27:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-20 11:27:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:27:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-20 11:27:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-20 11:27:18,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:18,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463945587] [2022-11-20 11:27:18,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463945587] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:18,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809288688] [2022-11-20 11:27:18,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:18,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:18,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:18,911 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:18,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 11:27:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:19,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:27:19,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:19,624 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 11:27:19,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 11:27:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 11:27:19,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809288688] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 11:27:19,802 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 11:27:19,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9 [2022-11-20 11:27:19,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218058289] [2022-11-20 11:27:19,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 11:27:19,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 11:27:19,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:19,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 11:27:19,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:27:19,804 INFO L87 Difference]: Start difference. First operand 740 states and 958 transitions. Second operand has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 8 states have internal predecessors, (217), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2022-11-20 11:27:21,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:21,428 INFO L93 Difference]: Finished difference Result 2756 states and 3560 transitions. [2022-11-20 11:27:21,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 11:27:21,430 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 8 states have internal predecessors, (217), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) Word has length 112 [2022-11-20 11:27:21,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:21,437 INFO L225 Difference]: With dead ends: 2756 [2022-11-20 11:27:21,438 INFO L226 Difference]: Without dead ends: 2032 [2022-11-20 11:27:21,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=272, Unknown=0, NotChecked=0, Total=420 [2022-11-20 11:27:21,442 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 2055 mSDsluCounter, 1075 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:21,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 1318 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 952 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-20 11:27:21,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2022-11-20 11:27:21,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1504. [2022-11-20 11:27:21,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1504 states, 1311 states have (on average 1.2936689549961862) internal successors, (1696), 1325 states have internal predecessors, (1696), 126 states have call successors, (126), 56 states have call predecessors, (126), 56 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2022-11-20 11:27:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1504 states and 1948 transitions. [2022-11-20 11:27:21,596 INFO L78 Accepts]: Start accepts. Automaton has 1504 states and 1948 transitions. Word has length 112 [2022-11-20 11:27:21,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:21,597 INFO L495 AbstractCegarLoop]: Abstraction has 1504 states and 1948 transitions. [2022-11-20 11:27:21,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 24.11111111111111) internal successors, (217), 8 states have internal predecessors, (217), 6 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 6 states have call predecessors, (30), 6 states have call successors, (30) [2022-11-20 11:27:21,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1948 transitions. [2022-11-20 11:27:21,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 11:27:21,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:21,600 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:21,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-20 11:27:21,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 11:27:21,807 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:21,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:21,808 INFO L85 PathProgramCache]: Analyzing trace with hash 322347930, now seen corresponding path program 1 times [2022-11-20 11:27:21,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:21,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352986084] [2022-11-20 11:27:21,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:21,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 11:27:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-20 11:27:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 11:27:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 11:27:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-20 11:27:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 11:27:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-20 11:27:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 11:27:22,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:22,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352986084] [2022-11-20 11:27:22,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352986084] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:22,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501474676] [2022-11-20 11:27:22,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:22,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:22,331 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:22,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 11:27:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:22,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 11:27:22,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-20 11:27:23,033 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:23,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501474676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:23,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:27:23,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-20 11:27:23,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001552649] [2022-11-20 11:27:23,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:23,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:23,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:23,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:23,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:23,036 INFO L87 Difference]: Start difference. First operand 1504 states and 1948 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 11:27:23,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:23,323 INFO L93 Difference]: Finished difference Result 1828 states and 2364 transitions. [2022-11-20 11:27:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:23,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 118 [2022-11-20 11:27:23,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:23,332 INFO L225 Difference]: With dead ends: 1828 [2022-11-20 11:27:23,332 INFO L226 Difference]: Without dead ends: 1826 [2022-11-20 11:27:23,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:23,334 INFO L413 NwaCegarLoop]: 491 mSDtfsCounter, 480 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:23,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 715 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:27:23,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1826 states. [2022-11-20 11:27:23,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1186. [2022-11-20 11:27:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1186 states, 1031 states have (on average 1.2900096993210475) internal successors, (1330), 1042 states have internal predecessors, (1330), 100 states have call successors, (100), 46 states have call predecessors, (100), 46 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2022-11-20 11:27:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1186 states to 1186 states and 1530 transitions. [2022-11-20 11:27:23,468 INFO L78 Accepts]: Start accepts. Automaton has 1186 states and 1530 transitions. Word has length 118 [2022-11-20 11:27:23,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:23,469 INFO L495 AbstractCegarLoop]: Abstraction has 1186 states and 1530 transitions. [2022-11-20 11:27:23,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-20 11:27:23,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1530 transitions. [2022-11-20 11:27:23,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 11:27:23,472 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:23,472 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:23,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:23,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 11:27:23,680 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:23,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:23,681 INFO L85 PathProgramCache]: Analyzing trace with hash 970764797, now seen corresponding path program 2 times [2022-11-20 11:27:23,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:23,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977485672] [2022-11-20 11:27:23,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:23,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:23,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:27:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-20 11:27:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 11:27:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-20 11:27:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-20 11:27:24,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:24,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977485672] [2022-11-20 11:27:24,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977485672] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:24,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043429996] [2022-11-20 11:27:24,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 11:27:24,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:24,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:24,647 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:24,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 11:27:25,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 11:27:25,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 11:27:25,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 11:27:25,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-11-20 11:27:25,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:25,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043429996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:25,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:27:25,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 10 [2022-11-20 11:27:25,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588470626] [2022-11-20 11:27:25,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:25,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:27:25,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:25,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:27:25,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-20 11:27:25,292 INFO L87 Difference]: Start difference. First operand 1186 states and 1530 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:27:25,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:25,728 INFO L93 Difference]: Finished difference Result 2752 states and 3615 transitions. [2022-11-20 11:27:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:27:25,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 129 [2022-11-20 11:27:25,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:25,735 INFO L225 Difference]: With dead ends: 2752 [2022-11-20 11:27:25,735 INFO L226 Difference]: Without dead ends: 1582 [2022-11-20 11:27:25,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-20 11:27:25,739 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 128 mSDsluCounter, 1570 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:25,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 2000 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:27:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2022-11-20 11:27:25,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1201. [2022-11-20 11:27:25,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1201 states, 1043 states have (on average 1.2866730584851391) internal successors, (1342), 1054 states have internal predecessors, (1342), 100 states have call successors, (100), 46 states have call predecessors, (100), 49 states have return successors, (115), 103 states have call predecessors, (115), 100 states have call successors, (115) [2022-11-20 11:27:25,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1557 transitions. [2022-11-20 11:27:25,987 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1557 transitions. Word has length 129 [2022-11-20 11:27:25,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:25,987 INFO L495 AbstractCegarLoop]: Abstraction has 1201 states and 1557 transitions. [2022-11-20 11:27:25,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-20 11:27:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1557 transitions. [2022-11-20 11:27:25,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 11:27:25,991 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:25,991 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:26,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:26,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 11:27:26,198 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:26,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:26,198 INFO L85 PathProgramCache]: Analyzing trace with hash -844017407, now seen corresponding path program 1 times [2022-11-20 11:27:26,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:26,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110165390] [2022-11-20 11:27:26,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:26,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:26,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:27,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:27:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-20 11:27:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 11:27:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-20 11:27:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:27,123 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-11-20 11:27:27,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:27,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110165390] [2022-11-20 11:27:27,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110165390] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 11:27:27,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830385182] [2022-11-20 11:27:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:27,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 11:27:27,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:27,125 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 11:27:27,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 11:27:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:27,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 11:27:27,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:27,809 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-20 11:27:27,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:27,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830385182] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:27,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 11:27:27,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 7 [2022-11-20 11:27:27,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679949968] [2022-11-20 11:27:27,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:27,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:27:27,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:27,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:27:27,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:27:27,812 INFO L87 Difference]: Start difference. First operand 1201 states and 1557 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:27:29,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:27:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:30,042 INFO L93 Difference]: Finished difference Result 2480 states and 3223 transitions. [2022-11-20 11:27:30,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:27:30,043 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 129 [2022-11-20 11:27:30,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:30,048 INFO L225 Difference]: With dead ends: 2480 [2022-11-20 11:27:30,048 INFO L226 Difference]: Without dead ends: 1295 [2022-11-20 11:27:30,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:27:30,051 INFO L413 NwaCegarLoop]: 318 mSDtfsCounter, 80 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1502 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:30,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1502 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 11:27:30,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-11-20 11:27:30,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1210. [2022-11-20 11:27:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 1052 states have (on average 1.2842205323193916) internal successors, (1351), 1060 states have internal predecessors, (1351), 100 states have call successors, (100), 46 states have call predecessors, (100), 49 states have return successors, (115), 106 states have call predecessors, (115), 100 states have call successors, (115) [2022-11-20 11:27:30,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1566 transitions. [2022-11-20 11:27:30,189 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1566 transitions. Word has length 129 [2022-11-20 11:27:30,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:30,189 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1566 transitions. [2022-11-20 11:27:30,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:27:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1566 transitions. [2022-11-20 11:27:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 11:27:30,192 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:30,192 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:30,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:30,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 11:27:30,411 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:30,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:30,411 INFO L85 PathProgramCache]: Analyzing trace with hash 991825440, now seen corresponding path program 1 times [2022-11-20 11:27:30,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:30,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375482531] [2022-11-20 11:27:30,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:30,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:27:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-20 11:27:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 11:27:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-20 11:27:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-20 11:27:31,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:31,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375482531] [2022-11-20 11:27:31,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375482531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:31,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:31,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:27:31,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458558410] [2022-11-20 11:27:31,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:31,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:27:31,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:31,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:27:31,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:31,007 INFO L87 Difference]: Start difference. First operand 1210 states and 1566 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:27:31,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:31,424 INFO L93 Difference]: Finished difference Result 2668 states and 3486 transitions. [2022-11-20 11:27:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:27:31,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 129 [2022-11-20 11:27:31,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:31,431 INFO L225 Difference]: With dead ends: 2668 [2022-11-20 11:27:31,431 INFO L226 Difference]: Without dead ends: 1474 [2022-11-20 11:27:31,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:27:31,434 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 241 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:31,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 644 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 11:27:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2022-11-20 11:27:31,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1210. [2022-11-20 11:27:31,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 1052 states have (on average 1.2813688212927756) internal successors, (1348), 1060 states have internal predecessors, (1348), 100 states have call successors, (100), 46 states have call predecessors, (100), 49 states have return successors, (115), 106 states have call predecessors, (115), 100 states have call successors, (115) [2022-11-20 11:27:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1563 transitions. [2022-11-20 11:27:31,581 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1563 transitions. Word has length 129 [2022-11-20 11:27:31,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:31,581 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1563 transitions. [2022-11-20 11:27:31,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:27:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1563 transitions. [2022-11-20 11:27:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-20 11:27:31,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:31,584 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:31,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 11:27:31,584 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:31,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:31,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1736383906, now seen corresponding path program 1 times [2022-11-20 11:27:31,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:31,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431256049] [2022-11-20 11:27:31,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:31,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 11:27:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 11:27:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 11:27:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:27:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:27:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-20 11:27:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 11:27:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-20 11:27:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2022-11-20 11:27:32,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:27:32,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431256049] [2022-11-20 11:27:32,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431256049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:32,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:32,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:27:32,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073473014] [2022-11-20 11:27:32,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:32,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:27:32,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:27:32,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:27:32,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:27:32,742 INFO L87 Difference]: Start difference. First operand 1210 states and 1563 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:27:33,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:33,419 INFO L93 Difference]: Finished difference Result 2692 states and 3513 transitions. [2022-11-20 11:27:33,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:27:33,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 129 [2022-11-20 11:27:33,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:33,426 INFO L225 Difference]: With dead ends: 2692 [2022-11-20 11:27:33,426 INFO L226 Difference]: Without dead ends: 1498 [2022-11-20 11:27:33,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:27:33,430 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 252 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:33,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 1194 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 11:27:33,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-20 11:27:33,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1219. [2022-11-20 11:27:33,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1061 states have (on average 1.2789820923656927) internal successors, (1357), 1069 states have internal predecessors, (1357), 100 states have call successors, (100), 46 states have call predecessors, (100), 49 states have return successors, (115), 106 states have call predecessors, (115), 100 states have call successors, (115) [2022-11-20 11:27:33,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1572 transitions. [2022-11-20 11:27:33,626 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1572 transitions. Word has length 129 [2022-11-20 11:27:33,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:33,626 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1572 transitions. [2022-11-20 11:27:33,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-20 11:27:33,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1572 transitions. [2022-11-20 11:27:33,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-20 11:27:33,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:33,629 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:33,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 11:27:33,630 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 22 more)] === [2022-11-20 11:27:33,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:33,630 INFO L85 PathProgramCache]: Analyzing trace with hash -836136203, now seen corresponding path program 1 times [2022-11-20 11:27:33,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:27:33,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275041801] [2022-11-20 11:27:33,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:33,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:27:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:27:34,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:27:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:27:35,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:27:35,146 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:27:35,147 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __create_pipeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2022-11-20 11:27:35,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location flexcop_usb_transfer_exitErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2022-11-20 11:27:35,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location flexcop_usb_transfer_exitErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2022-11-20 11:27:35,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location __create_pipeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2022-11-20 11:27:35,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2022-11-20 11:27:35,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2022-11-20 11:27:35,150 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2022-11-20 11:27:35,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2022-11-20 11:27:35,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2022-11-20 11:27:35,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2022-11-20 11:27:35,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2022-11-20 11:27:35,151 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2022-11-20 11:27:35,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2022-11-20 11:27:35,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2022-11-20 11:27:35,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2022-11-20 11:27:35,152 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2022-11-20 11:27:35,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2022-11-20 11:27:35,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2022-11-20 11:27:35,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2022-11-20 11:27:35,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2022-11-20 11:27:35,153 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2022-11-20 11:27:35,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2022-11-20 11:27:35,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2022-11-20 11:27:35,154 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2022-11-20 11:27:35,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 11:27:35,159 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:35,164 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:27:35,234 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,236 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,242 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,242 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,243 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,243 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,243 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,244 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,244 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,245 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,245 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,245 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,246 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,246 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,246 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,246 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,247 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,248 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,248 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,248 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,249 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,250 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,250 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,251 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,251 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,252 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,252 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,252 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,253 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,253 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,253 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,253 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,254 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,254 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,254 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,255 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,255 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,256 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,256 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,256 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,257 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,257 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,257 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,257 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,258 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,258 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,258 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,259 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,259 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,260 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,260 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,260 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,261 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,261 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,261 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,261 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,262 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,262 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,262 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,263 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,263 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,263 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,264 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,264 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,264 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,265 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,265 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,265 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,266 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,266 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,266 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,267 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,267 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,267 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,268 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,268 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,269 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,269 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,269 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,269 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,270 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,270 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,271 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,271 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,272 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,272 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,272 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,272 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,273 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,273 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,273 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,274 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,274 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,274 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,275 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,275 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,276 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,276 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,276 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,276 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,277 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,277 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,277 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,278 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,278 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,278 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,279 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,279 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,279 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,280 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,280 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,280 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,281 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,281 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,282 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,282 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,282 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,283 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,283 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,283 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,284 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,284 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,284 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,285 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,285 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,286 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,286 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,286 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,287 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,287 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,287 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,288 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,288 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,291 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,291 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,291 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,292 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,292 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,292 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,293 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,293 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,293 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,294 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,294 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,294 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,295 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,295 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,295 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,296 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,296 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,296 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,297 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,297 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,297 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,298 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,298 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,298 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,299 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,299 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2022-11-20 11:27:35,299 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2022-11-20 11:27:35,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:27:35 BoogieIcfgContainer [2022-11-20 11:27:35,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:27:35,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:27:35,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:27:35,495 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:27:35,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:26:57" (3/4) ... [2022-11-20 11:27:35,498 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:27:35,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:27:35,499 INFO L158 Benchmark]: Toolchain (without parser) took 42674.27ms. Allocated memory was 220.2MB in the beginning and 752.9MB in the end (delta: 532.7MB). Free memory was 164.2MB in the beginning and 573.3MB in the end (delta: -409.0MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. [2022-11-20 11:27:35,499 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:27:35,500 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1975.37ms. Allocated memory is still 220.2MB. Free memory was 164.2MB in the beginning and 136.6MB in the end (delta: 27.6MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. [2022-11-20 11:27:35,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 179.06ms. Allocated memory is still 220.2MB. Free memory was 136.6MB in the beginning and 128.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:27:35,500 INFO L158 Benchmark]: Boogie Preprocessor took 154.14ms. Allocated memory is still 220.2MB. Free memory was 128.2MB in the beginning and 119.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:27:35,501 INFO L158 Benchmark]: RCFGBuilder took 2185.51ms. Allocated memory is still 220.2MB. Free memory was 119.9MB in the beginning and 113.6MB in the end (delta: 6.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2022-11-20 11:27:35,501 INFO L158 Benchmark]: TraceAbstraction took 38167.41ms. Allocated memory was 220.2MB in the beginning and 752.9MB in the end (delta: 532.7MB). Free memory was 112.5MB in the beginning and 573.3MB in the end (delta: -460.8MB). Peak memory consumption was 413.7MB. Max. memory is 16.1GB. [2022-11-20 11:27:35,501 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 752.9MB. Free memory is still 573.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:27:35,503 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 146.8MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1975.37ms. Allocated memory is still 220.2MB. Free memory was 164.2MB in the beginning and 136.6MB in the end (delta: 27.6MB). Peak memory consumption was 91.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 179.06ms. Allocated memory is still 220.2MB. Free memory was 136.6MB in the beginning and 128.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 154.14ms. Allocated memory is still 220.2MB. Free memory was 128.2MB in the beginning and 119.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2185.51ms. Allocated memory is still 220.2MB. Free memory was 119.9MB in the beginning and 113.6MB in the end (delta: 6.3MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. * TraceAbstraction took 38167.41ms. Allocated memory was 220.2MB in the beginning and 752.9MB in the end (delta: 532.7MB). Free memory was 112.5MB in the beginning and 573.3MB in the end (delta: -460.8MB). Peak memory consumption was 413.7MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 752.9MB. Free memory is still 573.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6637]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 7484, overapproximation of bitwiseOr at line 6689, overapproximation of bitwiseAnd at line 7298. Possible FailurePath: [L6594] int ldv_state_variable_1 ; [L6595] int usb_counter ; [L6596] int ref_cnt ; [L6597] int ldv_state_variable_0 ; [L6794] static int debug ; [L7459-L7464] static struct usb_device_id flexcop_usb_table[2U] = { {3U, 2807U, 257U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L7465] struct usb_device_id const __mod_usb_device_table ; [L7466-L7480] static struct usb_driver flexcop_usb_driver = {"b2c2_flexcop_usb", & flexcop_usb_probe, & flexcop_usb_disconnect, 0, 0, 0, 0, 0, 0, (struct usb_device_id const *)(& flexcop_usb_table), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}; [L7495] int ldv_retval_0 ; [L7496] struct usb_interface *flexcop_usb_driver_group1 ; [L7497] int ldv_retval_1 ; [L7499] struct usb_device_id *ldvarg0 ; [L7688] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L7791] static int ldv_mutex_lock ; [L7893] static int ldv_mutex_mutex_of_device ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_lock=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7502] int tmp ; [L7503] int tmp___0 ; [L7504] int tmp___1 ; [L7506] CALL ldv_initialize() [L7998] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L7999] ldv_mutex_lock = 1 [L8000] ldv_mutex_mutex_of_device = 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7506] RET ldv_initialize() [L7507] ldv_state_variable_1 = 0 [L7508] ref_cnt = 0 [L7509] ldv_state_variable_0 = 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7511] tmp = __VERIFIER_nondet_int() [L7513] case 0: [L7543] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp=1, usb_counter=0] [L7544] COND TRUE ldv_state_variable_0 != 0 [L7545] tmp___1 = __VERIFIER_nondet_int() [L7547] case 0: [L7555] case 1: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldvarg0={0:0}, ref_cnt=0, tmp=1, tmp___1=1, usb_counter=0] [L7556] COND TRUE ldv_state_variable_0 == 1 [L7557] CALL, EXPR flexcop_usb_driver_init() [L7482] int tmp ; [L7484] CALL, EXPR ldv_usb_register_driver_8(& flexcop_usb_driver, & __this_module, "b2c2_flexcop_usb") [L7649] ldv_func_ret_type___6 ldv_func_res ; [L7650] int tmp ; [L7652] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8100] return __VERIFIER_nondet_int(); [L7652] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7652] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L7653] ldv_func_res = tmp [L7654] ldv_state_variable_1 = 1 [L7655] usb_counter = 0 [L7656] return (ldv_func_res); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_func_arg1={39:0}, ldv_func_arg1={39:0}, ldv_func_arg2={18446744073709551630:18446744073709551649}, ldv_func_arg2={18446744073709551630:18446744073709551649}, ldv_func_arg3={37:0}, ldv_func_arg3={37:0}, ldv_func_res=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L7484] RET, EXPR ldv_usb_register_driver_8(& flexcop_usb_driver, & __this_module, "b2c2_flexcop_usb") [L7484] tmp = ldv_usb_register_driver_8(& flexcop_usb_driver, & __this_module, "b2c2_flexcop_usb") [L7485] return (tmp); VAL [\result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=1, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=0, usb_counter=0] [L7557] RET, EXPR flexcop_usb_driver_init() [L7557] ldv_retval_1 = flexcop_usb_driver_init() [L7558] COND TRUE ldv_retval_1 == 0 [L7559] ldv_state_variable_0 = 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=1, tmp___1=1, usb_counter=0] [L7562] COND FALSE !(ldv_retval_1 != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=1, tmp___1=1, usb_counter=0] [L7511] tmp = __VERIFIER_nondet_int() [L7513] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=0, tmp___1=1, usb_counter=0] [L7514] COND TRUE ldv_state_variable_1 != 0 [L7515] tmp___0 = __VERIFIER_nondet_int() [L7517] case 0: VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=0, tmp___0=0, tmp___1=1, usb_counter=0] [L7518] COND TRUE ldv_state_variable_1 == 1 [L7519] CALL flexcop_usb_probe(flexcop_usb_driver_group1, (struct usb_device_id const *)ldvarg0) [L7390] struct usb_device *udev ; [L7391] struct usb_device *tmp ; [L7392] struct flexcop_usb *fc_usb ; [L7393] struct flexcop_device *fc ; [L7394] int ret ; [L7396] CALL, EXPR interface_to_usbdev(intf) [L6616] struct device const *__mptr ; [L6618] EXPR intf->dev.parent [L6618] __mptr = (struct device const *)intf->dev.parent [L6619] return ((struct usb_device *)__mptr + 0xffffffffffffff78UL); VAL [\result={-36893488147419103233:168}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mptr={-36893488147419103233:226608}, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, intf={0:0}, intf={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7396] RET, EXPR interface_to_usbdev(intf) [L7396] tmp = interface_to_usbdev(intf) [L7397] udev = tmp [L7398] fc_usb = 0 [L7399] fc = 0 [L7400] CALL, EXPR flexcop_device_kmalloc(1304UL) [L8053] CALL, EXPR ldv_malloc(sizeof(struct flexcop_device)) VAL [\old(size)=6780, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L8032] COND FALSE !(__VERIFIER_nondet_bool()) [L8033] return malloc(size); [L8053] RET, EXPR ldv_malloc(sizeof(struct flexcop_device)) VAL [\old(arg0)=1304, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, arg0=1304, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_malloc(sizeof(struct flexcop_device))={-18446744073709551617:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L8053] return ldv_malloc(sizeof(struct flexcop_device)); [L7400] RET, EXPR flexcop_device_kmalloc(1304UL) [L7400] fc = flexcop_device_kmalloc(1304UL) [L7401] COND FALSE !((unsigned long )fc == (unsigned long )((struct flexcop_device *)0)) [L7406] EXPR fc->bus_specific [L7406] fc_usb = (struct flexcop_usb *)fc->bus_specific [L7407] fc_usb->fc_dev = fc [L7408] fc->read_ibi_reg = & flexcop_usb_read_ibi_reg [L7409] fc->write_ibi_reg = & flexcop_usb_write_ibi_reg [L7410] fc->i2c_request = & flexcop_usb_i2c_request [L7411] fc->get_mac_addr = & flexcop_usb_get_mac_addr [L7412] fc->stream_control = & flexcop_usb_stream_control [L7413] fc->pid_filtering = 1 [L7414] fc->bus_type = 0 [L7415] fc->dev = & udev->dev [L7416] fc->owner = & __this_module [L7417] fc_usb->udev = udev [L7418] fc_usb->uintf = intf [L7419] CALL, EXPR flexcop_usb_init(fc_usb) [L7361] EXPR fc_usb->udev [L7361] CALL usb_set_interface(fc_usb->udev, 0, 1) [L8104] return __VERIFIER_nondet_int(); [L7361] RET usb_set_interface(fc_usb->udev, 0, 1) [L7362] EXPR fc_usb->udev [L7362] (fc_usb->udev)->speed [L7363] case 1: [L7366] case 2: [L7378] EXPR fc_usb->uintf VAL [(fc_usb->udev)->speed=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, fc_usb={0:168}, fc_usb={0:168}, fc_usb->udev={-36893488147419103233:168}, fc_usb->uintf={0:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7378] CALL usb_set_intfdata(fc_usb->uintf, (void *)fc_usb) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L6611] CALL dev_set_drvdata(& intf->dev, data) [L8040] return __VERIFIER_nondet_int(); [L6611] RET dev_set_drvdata(& intf->dev, data) [L7378] RET usb_set_intfdata(fc_usb->uintf, (void *)fc_usb) VAL [(fc_usb->udev)->speed=2, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, fc_usb={0:168}, fc_usb={0:168}, fc_usb->udev={-36893488147419103233:168}, fc_usb->uintf={0:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7379] return (0); VAL [(fc_usb->udev)->speed=2, \result=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, fc_usb={0:168}, fc_usb={0:168}, fc_usb->udev={-36893488147419103233:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7419] RET, EXPR flexcop_usb_init(fc_usb) [L7419] ret = flexcop_usb_init(fc_usb) [L7420] COND FALSE !(ret != 0) [L7424] CALL, EXPR flexcop_device_initialize(fc) [L8047] return __VERIFIER_nondet_int(); [L7424] RET, EXPR flexcop_device_initialize(fc) [L7424] ret = flexcop_device_initialize(fc) [L7425] COND FALSE !(ret != 0) [L7429] CALL flexcop_usb_transfer_init(fc_usb) [L7249] u16 frame_size ; [L7250] int bufsize ; [L7251] int i ; [L7252] int j ; [L7253] int ret ; [L7254] int buffer_offset ; [L7255] void *tmp ; [L7256] int frame_offset ; [L7257] struct urb *urb ; [L7258] unsigned int tmp___0 ; [L7260] EXPR fc_usb->uintf [L7260] EXPR (fc_usb->uintf)->cur_altsetting [L7260] EXPR ((fc_usb->uintf)->cur_altsetting)->endpoint [L7260] EXPR (((fc_usb->uintf)->cur_altsetting)->endpoint)->desc.wMaxPacketSize [L7260] frame_size = (((fc_usb->uintf)->cur_altsetting)->endpoint)->desc.wMaxPacketSize [L7261] EXPR (int )frame_size * 16 [L7261] bufsize = (int )frame_size * 16 [L7262] buffer_offset = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7263] COND FALSE !((debug & 2) != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7268] CALL, EXPR pci_alloc_consistent(0, (size_t )bufsize, & fc_usb->dma_addr) [L6759] struct device *tmp ; [L6760] void *tmp___0 ; VAL [\old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dma_handle={0:196}, dma_handle={0:196}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, hwdev={0:0}, hwdev={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, size=0, usb_counter=0] [L6762] COND FALSE !((unsigned long )hwdev != (unsigned long )((struct pci_dev *)0)) [L6765] tmp = 0 VAL [\old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dma_handle={0:196}, dma_handle={0:196}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, hwdev={0:0}, hwdev={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, size=0, tmp={0:0}, usb_counter=0] [L6767] CALL, EXPR dma_alloc_attrs(tmp, size, dma_handle, 32U, 0) [L6697] struct dma_map_ops *ops ; [L6698] struct dma_map_ops *tmp ; [L6699] void *memory ; [L6700] int tmp___0 ; [L6701] gfp_t tmp___1 ; VAL [\old(gfp)=32, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, attrs={0:0}, attrs={0:0}, debug=0, dev={0:0}, dev={0:0}, dma_handle={0:196}, dma_handle={0:196}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=32, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, size=0, usb_counter=0] [L6703] CALL, EXPR get_dma_ops(dev) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={0:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L6651] long tmp ; VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={0:0}, dev={0:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L6653-L6654] CALL, EXPR ldv__builtin_expect((unsigned long )dev == (unsigned long )((struct device *)0), 0L) VAL [\old(c)=0, \old(exp)=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L7678] return (exp); VAL [\old(c)=0, \old(exp)=1, \result=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, c=0, debug=0, exp=1, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L6653-L6654] RET, EXPR ldv__builtin_expect((unsigned long )dev == (unsigned long )((struct device *)0), 0L) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={0:0}, dev={0:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv__builtin_expect((unsigned long )dev == (unsigned long )((struct device *)0), 0L)=1, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0] [L6653-L6654] tmp = ldv__builtin_expect((unsigned long )dev == (unsigned long )((struct device *)0), 0L) [L6655] tmp != 0L || (unsigned long )dev->archdata.dma_ops == (unsigned long )((struct dma_map_ops *)0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={0:0}, dev={0:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=1, tmp != 0L || (unsigned long )dev->archdata.dma_ops == (unsigned long )((struct dma_map_ops *)0)=1, usb_counter=0] [L6655] COND TRUE tmp != 0L || (unsigned long )dev->archdata.dma_ops == (unsigned long )((struct dma_map_ops *)0) [L6656] return (dma_ops); VAL [\result={18446744073709551618:18446744073709551629}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={0:0}, dev={0:0}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=1, usb_counter=0] [L6703] RET, EXPR get_dma_ops(dev) VAL [\old(gfp)=32, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, attrs={0:0}, attrs={0:0}, debug=0, dev={0:0}, dev={0:0}, dma_handle={0:196}, dma_handle={0:196}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, get_dma_ops(dev)={18446744073709551618:18446744073709551629}, gfp=32, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, size=0, usb_counter=0] [L6703] tmp = get_dma_ops(dev) [L6704] ops = tmp [L6705] gfp = gfp & 4294967288U VAL [\old(gfp)=32, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, attrs={0:0}, attrs={0:0}, debug=0, dev={0:0}, dev={0:0}, dma_handle={0:196}, dma_handle={0:196}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ops={18446744073709551618:18446744073709551629}, ref_cnt=0, size=0, tmp={18446744073709551618:18446744073709551629}, usb_counter=0] [L6706] COND TRUE (unsigned long )dev == (unsigned long )((struct device *)0) [L6707] dev = & x86_dma_fallback_dev VAL [\old(gfp)=32, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, attrs={0:0}, attrs={0:0}, debug=0, dev={18446744073709551625:52}, dev={0:0}, dma_handle={0:196}, dma_handle={0:196}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ops={18446744073709551618:18446744073709551629}, ref_cnt=0, size=0, tmp={18446744073709551618:18446744073709551629}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6710] CALL, EXPR is_device_dma_capable(dev) [L6643] EXPR dev->dma_mask [L6643] EXPR (unsigned long )dev->dma_mask != (unsigned long )((u64 *)0) && *(dev->dma_mask) != 0ULL [L6643] EXPR dev->dma_mask [L6643] EXPR (unsigned long )dev->dma_mask != (unsigned long )((u64 *)0) && *(dev->dma_mask) != 0ULL VAL [(unsigned long )dev->dma_mask != (unsigned long )((u64 *)0) && *(dev->dma_mask) != 0ULL=1, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={18446744073709551625:52}, dev={18446744073709551625:52}, dev->dma_mask={45:-44}, dev->dma_mask={45:-44}, dev->dma_mask=18446744073709551617, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6643] return ((unsigned long )dev->dma_mask != (unsigned long )((u64 *)0) && *(dev->dma_mask) != 0ULL); [L6710] RET, EXPR is_device_dma_capable(dev) [L6710] tmp___0 = is_device_dma_capable(dev) [L6711] COND FALSE !(tmp___0 == 0) [L6715] EXPR ops->alloc VAL [\old(gfp)=32, \old(size)=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, attrs={0:0}, attrs={0:0}, debug=0, dev={0:0}, dev={18446744073709551625:52}, dma_handle={0:196}, dma_handle={0:196}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ops={18446744073709551618:18446744073709551629}, ops->alloc={-45:46}, ref_cnt=0, size=0, tmp={18446744073709551618:18446744073709551629}, tmp___0=1, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6715-L6717] COND FALSE !((unsigned long )ops->alloc == (unsigned long )((void *(*)(struct device * , size_t , dma_addr_t * , gfp_t , struct dma_attrs * ))0)) [L6721] CALL, EXPR dma_alloc_coherent_gfp_flags(dev, gfp) [L6679] unsigned long dma_mask ; [L6680] unsigned long tmp ; [L6682] CALL, EXPR dma_alloc_coherent_mask(dev, gfp) [L6663] unsigned long dma_mask ; [L6665] dma_mask = 0UL [L6666] EXPR dev->coherent_dma_mask [L6666] dma_mask = (unsigned long )dev->coherent_dma_mask [L6667] COND FALSE !(dma_mask == 0UL) VAL [\old(gfp)=10, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={18446744073709551625:52}, dev={18446744073709551625:52}, dma_mask=16777216, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6675] return (dma_mask); VAL [\old(gfp)=10, \result=-18446744073692774400, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={18446744073709551625:52}, dev={18446744073709551625:52}, dma_mask=16777216, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6682] RET, EXPR dma_alloc_coherent_mask(dev, gfp) [L6682] tmp = dma_alloc_coherent_mask(dev, gfp) [L6683] dma_mask = tmp VAL [\old(gfp)=10, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={18446744073709551625:52}, dev={18446744073709551625:52}, dma_mask=16777216, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=16777216, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6684] COND FALSE !((unsigned long long )dma_mask <= 16777215ULL) VAL [\old(gfp)=10, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={18446744073709551625:52}, dev={18446744073709551625:52}, dma_mask=16777216, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=16777216, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6688] COND TRUE (unsigned long long )dma_mask <= 4294967295ULL && (gfp & 1U) == 0U [L6689] gfp = gfp | 4U VAL [\old(gfp)=10, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={18446744073709551625:52}, dev={18446744073709551625:52}, dma_mask=16777216, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=4, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=16777216, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6692] return (gfp); VAL [\old(gfp)=10, \result=4, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={18446744073709551625:52}, dev={18446744073709551625:52}, dma_mask=16777216, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=4, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp=16777216, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6721] RET, EXPR dma_alloc_coherent_gfp_flags(dev, gfp) [L6721] tmp___1 = dma_alloc_coherent_gfp_flags(dev, gfp) [L6722] EXPR ops->alloc [L6722] EXPR, FCALL (*(ops->alloc))(dev, size, dma_handle, tmp___1, attrs) [L6722] memory = (*(ops->alloc))(dev, size, dma_handle, tmp___1, attrs) [L6723] EXPR \read(*dma_handle) [L6723] FCALL debug_dma_alloc_coherent(dev, size, *dma_handle, memory) [L6724] return (memory); VAL [\old(gfp)=32, \old(size)=0, \result={47:-46}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, attrs={0:0}, attrs={0:0}, debug=0, dev={0:0}, dev={18446744073709551625:52}, dma_handle={0:196}, dma_handle={0:196}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, gfp=10, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, memory={47:-46}, ops={18446744073709551618:18446744073709551629}, ref_cnt=0, size=0, tmp={18446744073709551618:18446744073709551629}, tmp___0=1, tmp___1=4, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6767] RET, EXPR dma_alloc_attrs(tmp, size, dma_handle, 32U, 0) [L6767] tmp___0 = dma_alloc_attrs(tmp, size, dma_handle, 32U, 0) [L6768] return (tmp___0); VAL [\old(size)=0, \result={47:-46}, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dma_handle={0:196}, dma_handle={0:196}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, hwdev={0:0}, hwdev={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, size=0, tmp={0:0}, tmp___0={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7268] RET, EXPR pci_alloc_consistent(0, (size_t )bufsize, & fc_usb->dma_addr) [L7268] tmp = pci_alloc_consistent(0, (size_t )bufsize, & fc_usb->dma_addr) [L7269] fc_usb->iso_buffer = (u8 *)tmp [L7270] EXPR fc_usb->iso_buffer VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, fc_usb->iso_buffer={47:-46}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7270] COND FALSE !((unsigned long )fc_usb->iso_buffer == (unsigned long )((u8 *)0)) [L7274] EXPR fc_usb->iso_buffer [L7274] FCALL memset((void *)fc_usb->iso_buffer, 0, (size_t )bufsize) [L7275] fc_usb->buffer_size = bufsize [L7276] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7287] COND TRUE i <= 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7279] CALL, EXPR usb_alloc_urb(4, 32U) [L8083] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=184, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8032] COND FALSE !(__VERIFIER_nondet_bool()) [L8033] return malloc(size); [L8083] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=4, \old(arg1)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, arg0=4, arg1=32, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_malloc(sizeof(struct urb))={-36893488147419103233:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8083] return ldv_malloc(sizeof(struct urb)); [L7279] RET, EXPR usb_alloc_urb(4, 32U) [L7279] fc_usb->iso_urb[i] = usb_alloc_urb(4, 32U) [L7280] EXPR fc_usb->iso_urb[i] VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, fc_usb->iso_urb[i]={-36893488147419103233:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7280] COND FALSE !((unsigned long )fc_usb->iso_urb[i] == (unsigned long )((struct urb *)0)) [L7285] EXPR i + 1 [L7285] i = i + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=1, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7287] COND TRUE i <= 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=1, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7279] CALL, EXPR usb_alloc_urb(4, 32U) [L8083] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=184, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8032] COND FALSE !(__VERIFIER_nondet_bool()) [L8033] return malloc(size); [L8083] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=4, \old(arg1)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, arg0=4, arg1=32, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_malloc(sizeof(struct urb))={-55340232221128654849:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8083] return ldv_malloc(sizeof(struct urb)); [L7279] RET, EXPR usb_alloc_urb(4, 32U) [L7279] fc_usb->iso_urb[i] = usb_alloc_urb(4, 32U) [L7280] EXPR fc_usb->iso_urb[i] VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, fc_usb->iso_urb[i]={-55340232221128654849:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=1, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7280] COND FALSE !((unsigned long )fc_usb->iso_urb[i] == (unsigned long )((struct urb *)0)) [L7285] EXPR i + 1 [L7285] i = i + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=2, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7287] COND TRUE i <= 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=2, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7279] CALL, EXPR usb_alloc_urb(4, 32U) [L8083] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=184, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8032] COND FALSE !(__VERIFIER_nondet_bool()) [L8033] return malloc(size); [L8083] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=4, \old(arg1)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, arg0=4, arg1=32, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_malloc(sizeof(struct urb))={-73786976294838206465:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8083] return ldv_malloc(sizeof(struct urb)); [L7279] RET, EXPR usb_alloc_urb(4, 32U) [L7279] fc_usb->iso_urb[i] = usb_alloc_urb(4, 32U) [L7280] EXPR fc_usb->iso_urb[i] VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, fc_usb->iso_urb[i]={-73786976294838206465:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=2, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7280] COND FALSE !((unsigned long )fc_usb->iso_urb[i] == (unsigned long )((struct urb *)0)) [L7285] EXPR i + 1 [L7285] i = i + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=3, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7287] COND TRUE i <= 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=3, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7279] CALL, EXPR usb_alloc_urb(4, 32U) [L8083] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(size)=184, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8032] COND FALSE !(__VERIFIER_nondet_bool()) [L8033] return malloc(size); [L8083] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=4, \old(arg1)=32, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, arg0=4, arg1=32, debug=0, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_malloc(sizeof(struct urb))={-92233720368547758081:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L8083] return ldv_malloc(sizeof(struct urb)); [L7279] RET, EXPR usb_alloc_urb(4, 32U) [L7279] fc_usb->iso_urb[i] = usb_alloc_urb(4, 32U) [L7280] EXPR fc_usb->iso_urb[i] VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, fc_usb->iso_urb[i]={-92233720368547758081:0}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=3, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7280] COND FALSE !((unsigned long )fc_usb->iso_urb[i] == (unsigned long )((struct urb *)0)) [L7285] EXPR i + 1 [L7285] i = i + 1 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=4, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7287] COND FALSE !(i <= 3) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=4, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7293] i = 0 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7343] COND TRUE i <= 3 VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_size=0, i=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7296] frame_offset = 0 [L7297] EXPR fc_usb->iso_urb[i] [L7297] urb = fc_usb->iso_urb[i] [L7298] COND FALSE !((debug & 2) != 0) VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_offset=0, frame_size=0, i=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, urb={-36893488147419103233:0}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7302] EXPR fc_usb->udev [L7302] urb->dev = fc_usb->udev [L7303] urb->context = (void *)fc_usb [L7304] urb->complete = & flexcop_usb_urb_complete [L7305] EXPR fc_usb->udev VAL [__mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, buffer_offset=0, bufsize=0, debug=0, dma_ops={18446744073709551618:18446744073709551629}, fc_usb={0:168}, fc_usb={0:168}, fc_usb->udev={-36893488147419103233:168}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, frame_offset=0, frame_size=0, i=0, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, tmp={47:-46}, urb={-36893488147419103233:0}, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L7305] CALL __create_pipe(fc_usb->udev, 129U) VAL [\old(endpoint)=129, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={-36893488147419103233:168}, dma_ops={18446744073709551618:18446744073709551629}, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6637] EXPR dev->devnum VAL [\old(endpoint)=129, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={-36893488147419103233:168}, dev={-36893488147419103233:168}, dev->devnum=8388608, dma_ops={18446744073709551618:18446744073709551629}, endpoint=129, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] [L6637] dev->devnum << 8 VAL [\old(endpoint)=129, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __mod_usb_device_table=0, __this_module={18446744073709551630:18446744073709551649}, debug=0, dev={-36893488147419103233:168}, dev={-36893488147419103233:168}, dev->devnum=8388608, dma_ops={18446744073709551618:18446744073709551629}, endpoint=129, flexcop_usb_driver={39:0}, flexcop_usb_driver_group1={0:0}, flexcop_usb_table={38:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_lock=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_retval_1=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldvarg0={0:0}, ref_cnt=0, usb_counter=0, x86_dma_fallback_dev={18446744073709551625:52}] - UnprovableResult [Line: 7232]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7232]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 6637]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7261]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7261]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7285]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7285]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7310]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7310]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7312]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7312]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7312]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7312]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7322]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7322]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7323]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7323]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7341]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7341]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7522]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7532]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 7532]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 256 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 37.8s, OverallIterations: 21, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 18.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 7697 SdHoareTripleChecker+Valid, 15.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7385 mSDsluCounter, 19703 SdHoareTripleChecker+Invalid, 14.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13301 mSDsCounter, 852 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4558 IncrementalHoareTripleChecker+Invalid, 5412 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 852 mSolverCounterUnsat, 6402 mSDtfsCounter, 4558 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1356 GetRequests, 1248 SyntacticMatches, 3 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1504occurred in iteration=15, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 20 MinimizatonAttempts, 4324 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 2626 NumberOfCodeBlocks, 2525 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2662 ConstructedInterpolants, 0 QuantifiedInterpolants, 4258 SizeOfPredicates, 14 NumberOfNonLiveVariables, 9209 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 30 InterpolantComputations, 18 PerfectInterpolantSequences, 891/967 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 11:27:35,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.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_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:27:37,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:27:37,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:27:37,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:27:37,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:27:37,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:27:37,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:27:37,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:27:37,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:27:37,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:27:37,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:27:37,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:27:37,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:27:37,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:27:37,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:27:37,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:27:37,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:27:37,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:27:37,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:27:37,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:27:37,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:27:37,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:27:37,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:27:37,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:27:37,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:27:37,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:27:37,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:27:37,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:27:37,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:27:37,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:27:37,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:27:37,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:27:37,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:27:37,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:27:37,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:27:37,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:27:37,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:27:37,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:27:37,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:27:37,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:27:37,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:27:37,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2022-11-20 11:27:38,018 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:27:38,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:27:38,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:27:38,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:27:38,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:27:38,023 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:27:38,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:27:38,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:27:38,024 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:27:38,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:27:38,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:27:38,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:27:38,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:27:38,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:27:38,027 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:27:38,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:27:38,027 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:27:38,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:27:38,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:27:38,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:27:38,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:27:38,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:27:38,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:27:38,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:27:38,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:27:38,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:27:38,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:27:38,030 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:27:38,030 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:27:38,031 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:27:38,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:27:38,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:27:38,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:27:38,032 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 637058e9c434875c2a607ff053c6fcb810c5a78083685ed0943116abd98a4161 [2022-11-20 11:27:38,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:27:38,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:27:38,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:27:38,437 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:27:38,437 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:27:38,439 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-20 11:27:41,535 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:27:42,095 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:27:42,095 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-20 11:27:42,137 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data/40404bf3f/d319eced811a477087a4d4d99a64db82/FLAGc97103872 [2022-11-20 11:27:42,168 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/data/40404bf3f/d319eced811a477087a4d4d99a64db82 [2022-11-20 11:27:42,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:27:42,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:27:42,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:27:42,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:27:42,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:27:42,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:27:42" (1/1) ... [2022-11-20 11:27:42,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ee7ee8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:42, skipping insertion in model container [2022-11-20 11:27:42,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:27:42" (1/1) ... [2022-11-20 11:27:42,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:27:42,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:27:43,515 WARN L237 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_0bd78b59-82c7-4807-99f8-c8e1191b9699/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] [2022-11-20 11:27:43,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:27:43,674 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:27:43,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:27:43,971 WARN L237 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_0bd78b59-82c7-4807-99f8-c8e1191b9699/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] [2022-11-20 11:27:43,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:27:44,008 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:27:44,487 WARN L237 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_0bd78b59-82c7-4807-99f8-c8e1191b9699/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] [2022-11-20 11:27:44,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:27:44,544 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:27:44,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44 WrapperNode [2022-11-20 11:27:44,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:27:44,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:27:44,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:27:44,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:27:44,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,725 INFO L138 Inliner]: procedures = 142, calls = 982, calls flagged for inlining = 54, calls inlined = 42, statements flattened = 840 [2022-11-20 11:27:44,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:27:44,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:27:44,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:27:44,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:27:44,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,856 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:27:44,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:27:44,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:27:44,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:27:44,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (1/1) ... [2022-11-20 11:27:44,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:27:44,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:27:44,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:27:44,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:27:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:27:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:27:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_exit [2022-11-20 11:27:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_exit [2022-11-20 11:27:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-20 11:27:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-20 11:27:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:27:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:27:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:27:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 11:27:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 11:27:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:27:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:27:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_exit [2022-11-20 11:27:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_exit [2022-11-20 11:27:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:27:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:27:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:27:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:27:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_device_kfree [2022-11-20 11:27:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_device_kfree [2022-11-20 11:27:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:27:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:27:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:27:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:27:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure flexcop_usb_transfer_exit [2022-11-20 11:27:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure flexcop_usb_transfer_exit [2022-11-20 11:27:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:27:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:27:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:27:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:27:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:27:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:27:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 11:27:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 11:27:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:27:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:27:45,521 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:27:45,524 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:27:51,163 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:27:51,171 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:27:51,172 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 11:27:51,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:51 BoogieIcfgContainer [2022-11-20 11:27:51,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:27:51,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:27:51,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:27:51,180 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:27:51,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:27:42" (1/3) ... [2022-11-20 11:27:51,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6f773c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:27:51, skipping insertion in model container [2022-11-20 11:27:51,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:44" (2/3) ... [2022-11-20 11:27:51,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6f773c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:27:51, skipping insertion in model container [2022-11-20 11:27:51,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:51" (3/3) ... [2022-11-20 11:27:51,183 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--usb--b2c2--b2c2-flexcop-usb.ko-main.cil.out.i [2022-11-20 11:27:51,201 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:27:51,201 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:27:51,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:27:51,278 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7105aba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:27:51,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:27:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-20 11:27:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 11:27:51,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:51,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:51,292 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:51,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:51,297 INFO L85 PathProgramCache]: Analyzing trace with hash -909872192, now seen corresponding path program 1 times [2022-11-20 11:27:51,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:51,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017939920] [2022-11-20 11:27:51,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:51,313 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:51,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:51,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:51,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:27:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:51,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:51,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:51,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:27:51,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:51,784 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:51,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017939920] [2022-11-20 11:27:51,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017939920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:51,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:51,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:51,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286076203] [2022-11-20 11:27:51,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:51,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:51,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:51,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:51,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:51,838 INFO L87 Difference]: Start difference. First operand has 211 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 180 states have internal predecessors, (236), 24 states have call successors, (24), 11 states have call predecessors, (24), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:52,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:52,089 INFO L93 Difference]: Finished difference Result 603 states and 818 transitions. [2022-11-20 11:27:52,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:52,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-20 11:27:52,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:52,113 INFO L225 Difference]: With dead ends: 603 [2022-11-20 11:27:52,113 INFO L226 Difference]: Without dead ends: 389 [2022-11-20 11:27:52,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:52,125 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 249 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:52,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 563 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:27:52,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-11-20 11:27:52,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2022-11-20 11:27:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 323 states have (on average 1.346749226006192) internal successors, (435), 329 states have internal predecessors, (435), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-20 11:27:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 522 transitions. [2022-11-20 11:27:52,252 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 522 transitions. Word has length 16 [2022-11-20 11:27:52,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:52,252 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 522 transitions. [2022-11-20 11:27:52,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:52,253 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2022-11-20 11:27:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 11:27:52,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:52,257 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:52,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:52,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:52,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:52,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:52,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1535428780, now seen corresponding path program 1 times [2022-11-20 11:27:52,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:52,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120209324] [2022-11-20 11:27:52,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:52,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:52,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:52,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:52,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:27:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:52,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:52,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:27:52,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:52,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:52,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120209324] [2022-11-20 11:27:52,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120209324] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:52,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:52,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:52,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739654387] [2022-11-20 11:27:52,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:52,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:52,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:52,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:52,865 INFO L87 Difference]: Start difference. First operand 389 states and 522 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:52,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:52,970 INFO L93 Difference]: Finished difference Result 407 states and 542 transitions. [2022-11-20 11:27:52,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:52,971 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 11:27:52,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:52,977 INFO L225 Difference]: With dead ends: 407 [2022-11-20 11:27:52,977 INFO L226 Difference]: Without dead ends: 398 [2022-11-20 11:27:52,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:52,979 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 268 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:52,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 292 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 11:27:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-20 11:27:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 389. [2022-11-20 11:27:53,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 323 states have (on average 1.3436532507739938) internal successors, (434), 329 states have internal predecessors, (434), 45 states have call successors, (45), 21 states have call predecessors, (45), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-20 11:27:53,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 521 transitions. [2022-11-20 11:27:53,060 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 521 transitions. Word has length 19 [2022-11-20 11:27:53,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:53,061 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 521 transitions. [2022-11-20 11:27:53,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:53,061 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 521 transitions. [2022-11-20 11:27:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 11:27:53,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:53,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:53,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:53,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:53,285 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:53,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:53,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1478170478, now seen corresponding path program 1 times [2022-11-20 11:27:53,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:53,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999353260] [2022-11-20 11:27:53,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:53,289 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:53,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:27:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:53,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:53,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:27:53,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:53,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:53,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999353260] [2022-11-20 11:27:53,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999353260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:53,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:53,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:53,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206814657] [2022-11-20 11:27:53,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:53,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:53,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:53,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:53,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:53,856 INFO L87 Difference]: Start difference. First operand 389 states and 521 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:53,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:53,960 INFO L93 Difference]: Finished difference Result 391 states and 522 transitions. [2022-11-20 11:27:53,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:53,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-20 11:27:53,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:53,963 INFO L225 Difference]: With dead ends: 391 [2022-11-20 11:27:53,963 INFO L226 Difference]: Without dead ends: 388 [2022-11-20 11:27:53,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:53,966 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 255 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:53,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 270 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:27:53,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-11-20 11:27:54,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2022-11-20 11:27:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 323 states have (on average 1.3405572755417956) internal successors, (433), 328 states have internal predecessors, (433), 44 states have call successors, (44), 21 states have call predecessors, (44), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-20 11:27:54,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 519 transitions. [2022-11-20 11:27:54,016 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 519 transitions. Word has length 19 [2022-11-20 11:27:54,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:54,016 INFO L495 AbstractCegarLoop]: Abstraction has 388 states and 519 transitions. [2022-11-20 11:27:54,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2022-11-20 11:27:54,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 11:27:54,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:54,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:54,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:54,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:54,225 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:54,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:54,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1421258643, now seen corresponding path program 1 times [2022-11-20 11:27:54,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:54,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1064059893] [2022-11-20 11:27:54,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:54,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:54,229 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:54,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:27:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:54,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:54,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:27:54,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:54,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:54,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1064059893] [2022-11-20 11:27:54,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1064059893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:54,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:54,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:54,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158432500] [2022-11-20 11:27:54,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:54,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:54,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:54,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:54,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:54,665 INFO L87 Difference]: Start difference. First operand 388 states and 519 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:54,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:54,751 INFO L93 Difference]: Finished difference Result 390 states and 520 transitions. [2022-11-20 11:27:54,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:54,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-20 11:27:54,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:54,754 INFO L225 Difference]: With dead ends: 390 [2022-11-20 11:27:54,754 INFO L226 Difference]: Without dead ends: 387 [2022-11-20 11:27:54,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:54,756 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 252 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:54,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 268 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:27:54,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-11-20 11:27:54,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2022-11-20 11:27:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 323 states have (on average 1.3374613003095974) internal successors, (432), 327 states have internal predecessors, (432), 43 states have call successors, (43), 21 states have call predecessors, (43), 20 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2022-11-20 11:27:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 517 transitions. [2022-11-20 11:27:54,799 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 517 transitions. Word has length 20 [2022-11-20 11:27:54,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:54,799 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 517 transitions. [2022-11-20 11:27:54,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 517 transitions. [2022-11-20 11:27:54,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 11:27:54,800 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:27:54,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:27:54,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:55,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:55,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:27:55,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:27:55,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1109253045, now seen corresponding path program 1 times [2022-11-20 11:27:55,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:27:55,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [566735902] [2022-11-20 11:27:55,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:27:55,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:55,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:27:55,019 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:27:55,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:27:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:27:55,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:27:55,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:27:55,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:27:55,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:27:55,444 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:27:55,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [566735902] [2022-11-20 11:27:55,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [566735902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:27:55,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:27:55,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:27:55,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108648928] [2022-11-20 11:27:55,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:27:55,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:27:55,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:27:55,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:27:55,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:55,446 INFO L87 Difference]: Start difference. First operand 387 states and 517 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:55,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:27:55,525 INFO L93 Difference]: Finished difference Result 387 states and 517 transitions. [2022-11-20 11:27:55,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:27:55,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-20 11:27:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:27:55,531 INFO L225 Difference]: With dead ends: 387 [2022-11-20 11:27:55,531 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:27:55,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:27:55,533 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 248 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 11:27:55,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 266 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 11:27:55,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:27:55,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:27:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:55,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:27:55,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-20 11:27:55,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:27:55,536 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:27:55,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:27:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:27:55,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:27:55,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:27:55,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:27:55,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:27:55,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 11:27:59,072 INFO L899 garLoopResultBuilder]: For program point L6655(line 6655) no Hoare annotation was computed. [2022-11-20 11:27:59,073 INFO L899 garLoopResultBuilder]: For program point L6653-1(lines 6653 6654) no Hoare annotation was computed. [2022-11-20 11:27:59,073 INFO L902 garLoopResultBuilder]: At program point L6653(lines 6653 6654) the Hoare annotation is: true [2022-11-20 11:27:59,073 INFO L899 garLoopResultBuilder]: For program point L6655-2(lines 6655 6659) no Hoare annotation was computed. [2022-11-20 11:27:59,073 INFO L899 garLoopResultBuilder]: For program point get_dma_opsEXIT(lines 6650 6661) no Hoare annotation was computed. [2022-11-20 11:27:59,073 INFO L902 garLoopResultBuilder]: At program point get_dma_opsENTRY(lines 6650 6661) the Hoare annotation is: true [2022-11-20 11:27:59,073 INFO L899 garLoopResultBuilder]: For program point get_dma_opsFINAL(lines 6650 6661) no Hoare annotation was computed. [2022-11-20 11:27:59,074 INFO L902 garLoopResultBuilder]: At program point flexcop_device_exitENTRY(lines 8042 8044) the Hoare annotation is: true [2022-11-20 11:27:59,074 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitFINAL(lines 8042 8044) no Hoare annotation was computed. [2022-11-20 11:27:59,074 INFO L899 garLoopResultBuilder]: For program point flexcop_device_exitEXIT(lines 8042 8044) no Hoare annotation was computed. [2022-11-20 11:27:59,074 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbFINAL(lines 8107 8109) no Hoare annotation was computed. [2022-11-20 11:27:59,074 INFO L899 garLoopResultBuilder]: For program point usb_submit_urbEXIT(lines 8107 8109) no Hoare annotation was computed. [2022-11-20 11:27:59,075 INFO L902 garLoopResultBuilder]: At program point usb_submit_urbENTRY(lines 8107 8109) the Hoare annotation is: true [2022-11-20 11:27:59,075 INFO L899 garLoopResultBuilder]: For program point ldv_errorFINAL(lines 7668 7673) no Hoare annotation was computed. [2022-11-20 11:27:59,075 INFO L902 garLoopResultBuilder]: At program point ldv_errorENTRY(lines 7668 7673) the Hoare annotation is: true [2022-11-20 11:27:59,075 INFO L899 garLoopResultBuilder]: For program point ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7671) no Hoare annotation was computed. [2022-11-20 11:27:59,075 INFO L899 garLoopResultBuilder]: For program point ldv_errorEXIT(lines 7668 7673) no Hoare annotation was computed. [2022-11-20 11:27:59,075 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectFINAL(lines 7675 7680) no Hoare annotation was computed. [2022-11-20 11:27:59,076 INFO L902 garLoopResultBuilder]: At program point ldv__builtin_expectENTRY(lines 7675 7680) the Hoare annotation is: true [2022-11-20 11:27:59,076 INFO L899 garLoopResultBuilder]: For program point ldv__builtin_expectEXIT(lines 7675 7680) no Hoare annotation was computed. [2022-11-20 11:27:59,076 INFO L902 garLoopResultBuilder]: At program point flexcop_device_kfreeENTRY(lines 8049 8051) the Hoare annotation is: true [2022-11-20 11:27:59,076 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeFINAL(lines 8049 8051) no Hoare annotation was computed. [2022-11-20 11:27:59,076 INFO L899 garLoopResultBuilder]: For program point flexcop_device_kfreeEXIT(lines 8049 8051) no Hoare annotation was computed. [2022-11-20 11:27:59,077 INFO L902 garLoopResultBuilder]: At program point usb_set_intfdataENTRY(lines 6608 6614) the Hoare annotation is: true [2022-11-20 11:27:59,077 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataFINAL(lines 6608 6614) no Hoare annotation was computed. [2022-11-20 11:27:59,077 INFO L902 garLoopResultBuilder]: At program point L8040(lines 8039 8041) the Hoare annotation is: true [2022-11-20 11:27:59,077 INFO L899 garLoopResultBuilder]: For program point usb_set_intfdataEXIT(lines 6608 6614) no Hoare annotation was computed. [2022-11-20 11:27:59,077 INFO L899 garLoopResultBuilder]: For program point L6555-1(lines 6555 6556) no Hoare annotation was computed. [2022-11-20 11:27:59,077 INFO L902 garLoopResultBuilder]: At program point L6555(lines 6555 6556) the Hoare annotation is: true [2022-11-20 11:27:59,078 INFO L902 garLoopResultBuilder]: At program point L6749-2(lines 6727 6757) the Hoare annotation is: true [2022-11-20 11:27:59,078 INFO L899 garLoopResultBuilder]: For program point L6749(lines 6749 6754) no Hoare annotation was computed. [2022-11-20 11:27:59,078 INFO L899 garLoopResultBuilder]: For program point L7224-2(lines 7224 7227) no Hoare annotation was computed. [2022-11-20 11:27:59,078 INFO L899 garLoopResultBuilder]: For program point L7224(lines 7224 7227) no Hoare annotation was computed. [2022-11-20 11:27:59,078 INFO L899 garLoopResultBuilder]: For program point L6741-1(line 6741) no Hoare annotation was computed. [2022-11-20 11:27:59,078 INFO L902 garLoopResultBuilder]: At program point L6741(line 6741) the Hoare annotation is: true [2022-11-20 11:27:59,079 INFO L902 garLoopResultBuilder]: At program point L6568(lines 6541 6570) the Hoare annotation is: true [2022-11-20 11:27:59,079 INFO L902 garLoopResultBuilder]: At program point L7237(lines 7219 7246) the Hoare annotation is: true [2022-11-20 11:27:59,079 INFO L902 garLoopResultBuilder]: At program point L8096(lines 8095 8097) the Hoare annotation is: true [2022-11-20 11:27:59,079 INFO L902 garLoopResultBuilder]: At program point L6560(lines 6557 6562) the Hoare annotation is: true [2022-11-20 11:27:59,079 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:27:59,079 INFO L902 garLoopResultBuilder]: At program point L7233(lines 7219 7246) the Hoare annotation is: true [2022-11-20 11:27:59,080 INFO L902 garLoopResultBuilder]: At program point L8026(lines 8025 8027) the Hoare annotation is: true [2022-11-20 11:27:59,080 INFO L899 garLoopResultBuilder]: For program point L6742(lines 6742 6746) no Hoare annotation was computed. [2022-11-20 11:27:59,080 INFO L899 garLoopResultBuilder]: For program point L6775(lines 6775 6779) no Hoare annotation was computed. [2022-11-20 11:27:59,080 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_transfer_exitEXIT(lines 7217 7247) no Hoare annotation was computed. [2022-11-20 11:27:59,080 INFO L902 garLoopResultBuilder]: At program point L6742-2(lines 6742 6746) the Hoare annotation is: true [2022-11-20 11:27:59,080 INFO L899 garLoopResultBuilder]: For program point L6775-2(lines 6775 6779) no Hoare annotation was computed. [2022-11-20 11:27:59,081 INFO L899 garLoopResultBuilder]: For program point L6747(line 6747) no Hoare annotation was computed. [2022-11-20 11:27:59,081 INFO L902 garLoopResultBuilder]: At program point L8093(lines 8092 8094) the Hoare annotation is: true [2022-11-20 11:27:59,081 INFO L899 garLoopResultBuilder]: For program point L6557(lines 6557 6563) no Hoare annotation was computed. [2022-11-20 11:27:59,081 INFO L902 garLoopResultBuilder]: At program point L6574(lines 6571 6576) the Hoare annotation is: true [2022-11-20 11:27:59,081 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_transfer_exitENTRY(lines 7217 7247) the Hoare annotation is: true [2022-11-20 11:27:59,082 INFO L902 garLoopResultBuilder]: At program point L7235(lines 7219 7246) the Hoare annotation is: true [2022-11-20 11:27:59,082 INFO L902 garLoopResultBuilder]: At program point L6781(lines 6771 6783) the Hoare annotation is: true [2022-11-20 11:27:59,082 INFO L899 garLoopResultBuilder]: For program point L7223(lines 7223 7231) no Hoare annotation was computed. [2022-11-20 11:27:59,082 INFO L899 garLoopResultBuilder]: For program point L7223-2(lines 7223 7231) no Hoare annotation was computed. [2022-11-20 11:27:59,082 INFO L899 garLoopResultBuilder]: For program point L6736-1(line 6736) no Hoare annotation was computed. [2022-11-20 11:27:59,082 INFO L902 garLoopResultBuilder]: At program point L8111(lines 8110 8112) the Hoare annotation is: true [2022-11-20 11:27:59,083 INFO L902 garLoopResultBuilder]: At program point L6736(line 6736) the Hoare annotation is: true [2022-11-20 11:27:59,083 INFO L899 garLoopResultBuilder]: For program point L7240-2(lines 7217 7247) no Hoare annotation was computed. [2022-11-20 11:27:59,083 INFO L899 garLoopResultBuilder]: For program point L7240(lines 7240 7244) no Hoare annotation was computed. [2022-11-20 11:27:59,083 INFO L902 garLoopResultBuilder]: At program point __create_pipeENTRY(lines 6634 6639) the Hoare annotation is: true [2022-11-20 11:27:59,083 INFO L899 garLoopResultBuilder]: For program point __create_pipeFINAL(lines 6634 6639) no Hoare annotation was computed. [2022-11-20 11:27:59,084 INFO L899 garLoopResultBuilder]: For program point __create_pipeEXIT(lines 6634 6639) no Hoare annotation was computed. [2022-11-20 11:27:59,084 INFO L899 garLoopResultBuilder]: For program point L8032(line 8032) no Hoare annotation was computed. [2022-11-20 11:27:59,084 INFO L902 garLoopResultBuilder]: At program point ldv_mallocENTRY(lines 8030 8034) the Hoare annotation is: true [2022-11-20 11:27:59,084 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 8030 8034) no Hoare annotation was computed. [2022-11-20 11:27:59,084 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 8030 8034) no Hoare annotation was computed. [2022-11-20 11:27:59,084 INFO L902 garLoopResultBuilder]: At program point flexcop_usb_exitENTRY(lines 7382 7388) the Hoare annotation is: true [2022-11-20 11:27:59,085 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitEXIT(lines 7382 7388) no Hoare annotation was computed. [2022-11-20 11:27:59,085 INFO L899 garLoopResultBuilder]: For program point flexcop_usb_exitFINAL(lines 7382 7388) no Hoare annotation was computed. [2022-11-20 11:27:59,085 INFO L899 garLoopResultBuilder]: For program point L7385-1(line 7385) no Hoare annotation was computed. [2022-11-20 11:27:59,085 INFO L902 garLoopResultBuilder]: At program point L7385(line 7385) the Hoare annotation is: true [2022-11-20 11:27:59,085 INFO L899 garLoopResultBuilder]: For program point L7451-1(line 7451) no Hoare annotation was computed. [2022-11-20 11:27:59,086 INFO L895 garLoopResultBuilder]: At program point L7451(line 7451) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,086 INFO L899 garLoopResultBuilder]: For program point L7517(line 7517) no Hoare annotation was computed. [2022-11-20 11:27:59,086 INFO L895 garLoopResultBuilder]: At program point L7286(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,086 INFO L895 garLoopResultBuilder]: At program point L6675(lines 6662 6677) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,086 INFO L899 garLoopResultBuilder]: For program point L8013-1(lines 8006 8020) no Hoare annotation was computed. [2022-11-20 11:27:59,087 INFO L895 garLoopResultBuilder]: At program point L8013(line 8013) the Hoare annotation is: false [2022-11-20 11:27:59,087 INFO L899 garLoopResultBuilder]: For program point L7270(lines 7270 7273) no Hoare annotation was computed. [2022-11-20 11:27:59,087 INFO L899 garLoopResultBuilder]: For program point L7369(line 7369) no Hoare annotation was computed. [2022-11-20 11:27:59,087 INFO L895 garLoopResultBuilder]: At program point L6692(lines 6678 6694) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,087 INFO L899 garLoopResultBuilder]: For program point L7518(lines 7518 7526) no Hoare annotation was computed. [2022-11-20 11:27:59,087 INFO L895 garLoopResultBuilder]: At program point L8063(lines 8062 8064) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,088 INFO L902 garLoopResultBuilder]: At program point L7584(lines 7501 7586) the Hoare annotation is: true [2022-11-20 11:27:59,088 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 11:27:59,088 INFO L899 garLoopResultBuilder]: For program point L7452-1(line 7452) no Hoare annotation was computed. [2022-11-20 11:27:59,088 INFO L895 garLoopResultBuilder]: At program point L7452(line 7452) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,088 INFO L895 garLoopResultBuilder]: At program point L7485(lines 7481 7487) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,089 INFO L899 garLoopResultBuilder]: For program point L6643(line 6643) no Hoare annotation was computed. [2022-11-20 11:27:59,089 INFO L895 garLoopResultBuilder]: At program point L8047(lines 8046 8048) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,089 INFO L895 garLoopResultBuilder]: At program point L6643-3(lines 6640 6645) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,089 INFO L899 garLoopResultBuilder]: For program point L6643-2(line 6643) no Hoare annotation was computed. [2022-11-20 11:27:59,089 INFO L899 garLoopResultBuilder]: For program point L7337-2(lines 7337 7340) no Hoare annotation was computed. [2022-11-20 11:27:59,090 INFO L899 garLoopResultBuilder]: For program point L7337(lines 7337 7340) no Hoare annotation was computed. [2022-11-20 11:27:59,090 INFO L899 garLoopResultBuilder]: For program point L7354(line 7354) no Hoare annotation was computed. [2022-11-20 11:27:59,090 INFO L899 garLoopResultBuilder]: For program point L7420(lines 7420 7423) no Hoare annotation was computed. [2022-11-20 11:27:59,090 INFO L899 garLoopResultBuilder]: For program point L7453-1(line 7453) no Hoare annotation was computed. [2022-11-20 11:27:59,090 INFO L895 garLoopResultBuilder]: At program point L7453(line 7453) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,090 INFO L895 garLoopResultBuilder]: At program point L7288(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,091 INFO L899 garLoopResultBuilder]: For program point L7536(line 7536) no Hoare annotation was computed. [2022-11-20 11:27:59,091 INFO L895 garLoopResultBuilder]: At program point L7437(lines 7395 7443) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,091 INFO L899 garLoopResultBuilder]: For program point L7305-1(line 7305) no Hoare annotation was computed. [2022-11-20 11:27:59,091 INFO L895 garLoopResultBuilder]: At program point L7305(line 7305) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,091 INFO L895 garLoopResultBuilder]: At program point L7454(line 7454) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,092 INFO L899 garLoopResultBuilder]: For program point L7520(lines 7520 7524) no Hoare annotation was computed. [2022-11-20 11:27:59,092 INFO L895 garLoopResultBuilder]: At program point L7355(lines 7248 7357) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,092 INFO L899 garLoopResultBuilder]: For program point L7454-1(line 7454) no Hoare annotation was computed. [2022-11-20 11:27:59,092 INFO L899 garLoopResultBuilder]: For program point L6711(lines 6711 6714) no Hoare annotation was computed. [2022-11-20 11:27:59,092 INFO L899 garLoopResultBuilder]: For program point L7570(line 7570) no Hoare annotation was computed. [2022-11-20 11:27:59,092 INFO L899 garLoopResultBuilder]: For program point L7372-2(line 7372) no Hoare annotation was computed. [2022-11-20 11:27:59,093 INFO L899 garLoopResultBuilder]: For program point L7372(line 7372) no Hoare annotation was computed. [2022-11-20 11:27:59,093 INFO L895 garLoopResultBuilder]: At program point L8066(lines 8065 8067) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,093 INFO L895 garLoopResultBuilder]: At program point L7290(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,093 INFO L899 garLoopResultBuilder]: For program point L8083-1(line 8083) no Hoare annotation was computed. [2022-11-20 11:27:59,093 INFO L895 garLoopResultBuilder]: At program point L8083(line 8083) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,094 INFO L895 garLoopResultBuilder]: At program point L7439(lines 7395 7443) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,094 INFO L902 garLoopResultBuilder]: At program point L8017-1(lines 8004 8021) the Hoare annotation is: true [2022-11-20 11:27:59,094 INFO L895 garLoopResultBuilder]: At program point L8083-2(lines 8082 8084) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,094 INFO L895 garLoopResultBuilder]: At program point L8017(line 8017) the Hoare annotation is: false [2022-11-20 11:27:59,095 INFO L899 garLoopResultBuilder]: For program point L6762(lines 6762 6766) no Hoare annotation was computed. [2022-11-20 11:27:59,095 INFO L899 garLoopResultBuilder]: For program point L7373(line 7373) no Hoare annotation was computed. [2022-11-20 11:27:59,095 INFO L899 garLoopResultBuilder]: For program point L6762-2(lines 6762 6766) no Hoare annotation was computed. [2022-11-20 11:27:59,095 INFO L899 garLoopResultBuilder]: For program point L7555(line 7555) no Hoare annotation was computed. [2022-11-20 11:27:59,095 INFO L895 garLoopResultBuilder]: At program point L8100(lines 8099 8101) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,096 INFO L895 garLoopResultBuilder]: At program point L7456(lines 7445 7458) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,096 INFO L895 garLoopResultBuilder]: At program point L8001(lines 7995 8003) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,096 INFO L895 garLoopResultBuilder]: At program point L7324(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,096 INFO L899 garLoopResultBuilder]: For program point L7556(lines 7556 7568) no Hoare annotation was computed. [2022-11-20 11:27:59,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 11:27:59,097 INFO L895 garLoopResultBuilder]: At program point L7342(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,097 INFO L899 garLoopResultBuilder]: For program point L7441(line 7441) no Hoare annotation was computed. [2022-11-20 11:27:59,097 INFO L895 garLoopResultBuilder]: At program point L7656(lines 7647 7658) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= (_ bv1 32) ~ldv_state_variable_0~0) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,097 INFO L895 garLoopResultBuilder]: At program point L8036-2(lines 8035 8037) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,097 INFO L899 garLoopResultBuilder]: For program point L8036-1(line 8036) no Hoare annotation was computed. [2022-11-20 11:27:59,098 INFO L895 garLoopResultBuilder]: At program point L8036(line 8036) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,098 INFO L895 garLoopResultBuilder]: At program point L7326(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,098 INFO L899 garLoopResultBuilder]: For program point L7425(lines 7425 7428) no Hoare annotation was computed. [2022-11-20 11:27:59,098 INFO L899 garLoopResultBuilder]: For program point L6715(lines 6715 6720) no Hoare annotation was computed. [2022-11-20 11:27:59,098 INFO L895 garLoopResultBuilder]: At program point L7442(lines 7389 7444) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,099 INFO L895 garLoopResultBuilder]: At program point L8053-2(lines 8052 8054) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,099 INFO L899 garLoopResultBuilder]: For program point L8053-1(line 8053) no Hoare annotation was computed. [2022-11-20 11:27:59,099 INFO L895 garLoopResultBuilder]: At program point L8053(line 8053) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,099 INFO L899 garLoopResultBuilder]: For program point L7558(lines 7558 7561) no Hoare annotation was computed. [2022-11-20 11:27:59,099 INFO L895 garLoopResultBuilder]: At program point L7492(lines 7488 7494) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,100 INFO L899 garLoopResultBuilder]: For program point L7558-2(lines 7556 7567) no Hoare annotation was computed. [2022-11-20 11:27:59,100 INFO L895 garLoopResultBuilder]: At program point L7344(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,100 INFO L895 garLoopResultBuilder]: At program point L7377(lines 7360 7380) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,100 INFO L899 garLoopResultBuilder]: For program point L6667-1(lines 6667 6674) no Hoare annotation was computed. [2022-11-20 11:27:59,100 INFO L899 garLoopResultBuilder]: For program point L6667(lines 6667 6674) no Hoare annotation was computed. [2022-11-20 11:27:59,100 INFO L895 garLoopResultBuilder]: At program point L8104(lines 8103 8105) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,101 INFO L895 garLoopResultBuilder]: At program point L7328(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,101 INFO L899 garLoopResultBuilder]: For program point L6684-2(lines 6681 6693) no Hoare annotation was computed. [2022-11-20 11:27:59,101 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 11:27:59,101 INFO L899 garLoopResultBuilder]: For program point L6684(lines 6684 6687) no Hoare annotation was computed. [2022-11-20 11:27:59,101 INFO L899 garLoopResultBuilder]: For program point L7543(line 7543) no Hoare annotation was computed. [2022-11-20 11:27:59,102 INFO L895 garLoopResultBuilder]: At program point L7378(line 7378) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,102 INFO L899 garLoopResultBuilder]: For program point L7378-1(line 7378) no Hoare annotation was computed. [2022-11-20 11:27:59,102 INFO L899 garLoopResultBuilder]: For program point L6668(lines 6668 6672) no Hoare annotation was computed. [2022-11-20 11:27:59,102 INFO L899 garLoopResultBuilder]: For program point L7362(lines 7362 7376) no Hoare annotation was computed. [2022-11-20 11:27:59,102 INFO L899 garLoopResultBuilder]: For program point L7263(lines 7263 7267) no Hoare annotation was computed. [2022-11-20 11:27:59,102 INFO L895 garLoopResultBuilder]: At program point L6619(lines 6615 6621) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,103 INFO L899 garLoopResultBuilder]: For program point L7263-2(lines 7263 7267) no Hoare annotation was computed. [2022-11-20 11:27:59,103 INFO L895 garLoopResultBuilder]: At program point L8023(lines 8022 8024) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,103 INFO L899 garLoopResultBuilder]: For program point L7544(lines 7544 7575) no Hoare annotation was computed. [2022-11-20 11:27:59,103 INFO L899 garLoopResultBuilder]: For program point L7577(line 7577) no Hoare annotation was computed. [2022-11-20 11:27:59,103 INFO L895 garLoopResultBuilder]: At program point L7346(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,104 INFO L895 garLoopResultBuilder]: At program point L7379(lines 7358 7381) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,104 INFO L895 garLoopResultBuilder]: At program point L6768(lines 6758 6770) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,104 INFO L899 garLoopResultBuilder]: For program point L7280(lines 7280 7284) no Hoare annotation was computed. [2022-11-20 11:27:59,104 INFO L899 garLoopResultBuilder]: For program point L8007(lines 8007 8010) no Hoare annotation was computed. [2022-11-20 11:27:59,104 INFO L899 garLoopResultBuilder]: For program point L7528(line 7528) no Hoare annotation was computed. [2022-11-20 11:27:59,104 INFO L899 garLoopResultBuilder]: For program point L7363(line 7363) no Hoare annotation was computed. [2022-11-20 11:27:59,105 INFO L895 garLoopResultBuilder]: At program point L8090(lines 8089 8091) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,105 INFO L899 garLoopResultBuilder]: For program point L7512(lines 7512 7579) no Hoare annotation was computed. [2022-11-20 11:27:59,105 INFO L899 garLoopResultBuilder]: For program point L6703-1(line 6703) no Hoare annotation was computed. [2022-11-20 11:27:59,105 INFO L895 garLoopResultBuilder]: At program point L6703(line 6703) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,105 INFO L899 garLoopResultBuilder]: For program point L7430(lines 7430 7433) no Hoare annotation was computed. [2022-11-20 11:27:59,105 INFO L899 garLoopResultBuilder]: For program point L7529(lines 7529 7534) no Hoare annotation was computed. [2022-11-20 11:27:59,106 INFO L899 garLoopResultBuilder]: For program point L7298(lines 7298 7301) no Hoare annotation was computed. [2022-11-20 11:27:59,106 INFO L899 garLoopResultBuilder]: For program point L7331-1(line 7331) no Hoare annotation was computed. [2022-11-20 11:27:59,106 INFO L895 garLoopResultBuilder]: At program point L7331(line 7331) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,106 INFO L899 garLoopResultBuilder]: For program point L7298-2(lines 7298 7301) no Hoare annotation was computed. [2022-11-20 11:27:59,106 INFO L899 garLoopResultBuilder]: For program point L7546(lines 7546 7572) no Hoare annotation was computed. [2022-11-20 11:27:59,107 INFO L899 garLoopResultBuilder]: For program point L7513(line 7513) no Hoare annotation was computed. [2022-11-20 11:27:59,107 INFO L895 garLoopResultBuilder]: At program point L6605(lines 6601 6607) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,107 INFO L895 garLoopResultBuilder]: At program point L7431(lines 7395 7443) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,107 INFO L899 garLoopResultBuilder]: For program point L8009-1(lines 8006 8020) no Hoare annotation was computed. [2022-11-20 11:27:59,107 INFO L895 garLoopResultBuilder]: At program point L8009(line 8009) the Hoare annotation is: false [2022-11-20 11:27:59,107 INFO L899 garLoopResultBuilder]: For program point L7332(lines 7332 7336) no Hoare annotation was computed. [2022-11-20 11:27:59,108 INFO L899 garLoopResultBuilder]: For program point L6688-1(lines 6688 6691) no Hoare annotation was computed. [2022-11-20 11:27:59,108 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 11:27:59,108 INFO L899 garLoopResultBuilder]: For program point L-1-1(line -1) no Hoare annotation was computed. [2022-11-20 11:27:59,108 INFO L899 garLoopResultBuilder]: For program point L7514(lines 7514 7541) no Hoare annotation was computed. [2022-11-20 11:27:59,108 INFO L895 garLoopResultBuilder]: At program point L-1-3(line -1) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,108 INFO L895 garLoopResultBuilder]: At program point L8059(lines 8058 8060) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,109 INFO L899 garLoopResultBuilder]: For program point L7547(line 7547) no Hoare annotation was computed. [2022-11-20 11:27:59,109 INFO L899 garLoopResultBuilder]: For program point L-1-4(line -1) no Hoare annotation was computed. [2022-11-20 11:27:59,109 INFO L895 garLoopResultBuilder]: At program point L7580(lines 7505 7585) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,109 INFO L899 garLoopResultBuilder]: For program point L7316-1(lines 7316 7319) no Hoare annotation was computed. [2022-11-20 11:27:59,109 INFO L895 garLoopResultBuilder]: At program point L7564(lines 7505 7585) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32))) [2022-11-20 11:27:59,110 INFO L899 garLoopResultBuilder]: For program point L7366(line 7366) no Hoare annotation was computed. [2022-11-20 11:27:59,110 INFO L899 garLoopResultBuilder]: For program point L7548(lines 7548 7553) no Hoare annotation was computed. [2022-11-20 11:27:59,110 INFO L899 garLoopResultBuilder]: For program point L6706(lines 6706 6709) no Hoare annotation was computed. [2022-11-20 11:27:59,110 INFO L899 garLoopResultBuilder]: For program point L6706-2(lines 6706 6709) no Hoare annotation was computed. [2022-11-20 11:27:59,110 INFO L895 garLoopResultBuilder]: At program point L7664(lines 7659 7666) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,110 INFO L895 garLoopResultBuilder]: At program point L7334(lines 7259 7356) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,111 INFO L899 garLoopResultBuilder]: For program point L7516(lines 7516 7538) no Hoare annotation was computed. [2022-11-20 11:27:59,111 INFO L899 garLoopResultBuilder]: For program point L7401(lines 7401 7405) no Hoare annotation was computed. [2022-11-20 11:27:59,111 INFO L895 garLoopResultBuilder]: At program point L6724(lines 6695 6726) the Hoare annotation is: (and (= ~ldv_mutex_mutex_of_device~0 (_ bv1 32)) (= ~ldv_mutex_cred_guard_mutex_of_signal_struct~0 (_ bv1 32)) (= ~ldv_mutex_lock~0 (_ bv1 32)) (= (_ bv0 32) ~ldv_retval_1~0)) [2022-11-20 11:27:59,114 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-20 11:27:59,117 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:27:59,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:27:59 BoogieIcfgContainer [2022-11-20 11:27:59,140 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:27:59,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:27:59,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:27:59,141 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:27:59,141 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:51" (3/4) ... [2022-11-20 11:27:59,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 11:27:59,150 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dma_ops [2022-11-20 11:27:59,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_kfree [2022-11-20 11:27:59,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2022-11-20 11:27:59,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2022-11-20 11:27:59,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_exit [2022-11-20 11:27:59,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_set_intfdata [2022-11-20 11:27:59,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_device_exit [2022-11-20 11:27:59,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure usb_submit_urb [2022-11-20 11:27:59,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure flexcop_usb_transfer_exit [2022-11-20 11:27:59,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __create_pipe [2022-11-20 11:27:59,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2022-11-20 11:27:59,167 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 132 nodes and edges [2022-11-20 11:27:59,169 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-20 11:27:59,170 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 11:27:59,172 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 11:27:59,173 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 11:27:59,174 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:27:59,175 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 11:27:59,307 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 11:27:59,307 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:27:59,308 INFO L158 Benchmark]: Toolchain (without parser) took 17136.36ms. Allocated memory was 88.1MB in the beginning and 243.3MB in the end (delta: 155.2MB). Free memory was 38.0MB in the beginning and 61.5MB in the end (delta: -23.5MB). Peak memory consumption was 133.8MB. Max. memory is 16.1GB. [2022-11-20 11:27:59,308 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:27:59,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2352.94ms. Allocated memory was 88.1MB in the beginning and 201.3MB in the end (delta: 113.2MB). Free memory was 66.2MB in the beginning and 131.6MB in the end (delta: -65.4MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. [2022-11-20 11:27:59,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.00ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 123.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 11:27:59,310 INFO L158 Benchmark]: Boogie Preprocessor took 164.15ms. Allocated memory is still 201.3MB. Free memory was 123.2MB in the beginning and 113.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:27:59,310 INFO L158 Benchmark]: RCFGBuilder took 6282.41ms. Allocated memory is still 201.3MB. Free memory was 113.8MB in the beginning and 113.4MB in the end (delta: 363.0kB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2022-11-20 11:27:59,310 INFO L158 Benchmark]: TraceAbstraction took 7963.45ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 112.4MB in the beginning and 76.1MB in the end (delta: 36.2MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2022-11-20 11:27:59,311 INFO L158 Benchmark]: Witness Printer took 167.45ms. Allocated memory is still 243.3MB. Free memory was 76.1MB in the beginning and 61.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 11:27:59,314 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 88.1MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2352.94ms. Allocated memory was 88.1MB in the beginning and 201.3MB in the end (delta: 113.2MB). Free memory was 66.2MB in the beginning and 131.6MB in the end (delta: -65.4MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.00ms. Allocated memory is still 201.3MB. Free memory was 131.6MB in the beginning and 123.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.15ms. Allocated memory is still 201.3MB. Free memory was 123.2MB in the beginning and 113.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6282.41ms. Allocated memory is still 201.3MB. Free memory was 113.8MB in the beginning and 113.4MB in the end (delta: 363.0kB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7963.45ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 112.4MB in the beginning and 76.1MB in the end (delta: 36.2MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * Witness Printer took 167.45ms. Allocated memory is still 243.3MB. Free memory was 76.1MB in the beginning and 61.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7671]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1272 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1272 mSDsluCounter, 1659 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22 IncrementalHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1385 mSDtfsCounter, 22 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=1, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 90 LocationsWithAnnotation, 246 PreInvPairs, 349 NumberOfFragments, 756 HoareAnnotationTreeSize, 246 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 90 FomulaSimplificationsInter, 2675 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1724 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 8052]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8062]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6615]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8103]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8039]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8099]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7647]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7659]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6695]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8089]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8065]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7995]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6640]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8035]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6758]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7395]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8092]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8025]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6678]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7360]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7488]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8022]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7358]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7445]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: (ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32 - InvariantResult [Line: 8095]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8058]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8082]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6662]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 8046]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6771]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7505]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7248]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7481]: Loop Invariant Derived loop invariant: (((ldv_mutex_mutex_of_device == 1bv32 && 1bv32 == ldv_state_variable_0) && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 6601]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7389]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 - InvariantResult [Line: 7259]: Loop Invariant Derived loop invariant: ((ldv_mutex_mutex_of_device == 1bv32 && ldv_mutex_cred_guard_mutex_of_signal_struct == 1bv32) && ldv_mutex_lock == 1bv32) && 0bv32 == ldv_retval_1 RESULT: Ultimate proved your program to be correct! [2022-11-20 11:27:59,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd78b59-82c7-4807-99f8-c8e1191b9699/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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