./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- 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-b5237d8 [2022-11-21 17:06:59,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:06:59,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:06:59,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:06:59,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:06:59,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:06:59,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:06:59,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:06:59,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:06:59,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:06:59,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:06:59,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:06:59,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:06:59,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:06:59,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:06:59,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:06:59,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:06:59,603 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:06:59,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:06:59,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:06:59,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:06:59,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:06:59,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:06:59,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:06:59,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:06:59,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:06:59,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:06:59,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:06:59,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:06:59,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:06:59,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:06:59,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:06:59,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:06:59,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:06:59,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:06:59,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:06:59,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:06:59,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:06:59,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:06:59,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:06:59,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:06:59,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:06:59,661 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:06:59,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:06:59,662 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:06:59,663 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:06:59,664 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:06:59,664 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:06:59,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:06:59,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:06:59,666 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:06:59,666 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:06:59,667 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:06:59,667 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:06:59,668 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:06:59,668 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:06:59,668 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:06:59,669 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:06:59,669 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:06:59,669 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:06:59,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:06:59,670 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:06:59,670 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:06:59,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:06:59,670 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:06:59,671 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:06:59,671 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:06:59,671 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:06:59,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:06:59,672 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:06:59,672 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:06:59,672 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:06:59,672 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_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2022-11-21 17:07:00,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:07:00,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:07:00,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:07:00,080 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:07:00,081 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:07:00,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-21 17:07:03,371 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:07:04,069 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:07:04,070 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-21 17:07:04,117 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data/cf20d798a/6d1bc54764c14c4e8d8145032b59ed74/FLAG5106c7766 [2022-11-21 17:07:04,135 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data/cf20d798a/6d1bc54764c14c4e8d8145032b59ed74 [2022-11-21 17:07:04,142 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:07:04,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:07:04,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:07:04,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:07:04,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:07:04,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:07:04" (1/1) ... [2022-11-21 17:07:04,153 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bd2e63d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:04, skipping insertion in model container [2022-11-21 17:07:04,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:07:04" (1/1) ... [2022-11-21 17:07:04,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:07:04,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:07:05,980 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_91df0542-8eed-4258-9d3c-8b96b90d39ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-21 17:07:06,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:07:06,140 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:07:06,640 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_91df0542-8eed-4258-9d3c-8b96b90d39ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-21 17:07:06,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:07:06,916 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:07:06,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06 WrapperNode [2022-11-21 17:07:06,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:07:06,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:07:06,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:07:06,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:07:06,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,149 INFO L138 Inliner]: procedures = 200, calls = 1513, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3353 [2022-11-21 17:07:07,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:07:07,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:07:07,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:07:07,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:07:07,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,345 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:07:07,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:07:07,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:07:07,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:07:07,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (1/1) ... [2022-11-21 17:07:07,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:07:07,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:07,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:07:07,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:07:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:07:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:07:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 17:07:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 17:07:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 17:07:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 17:07:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 17:07:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 17:07:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:07:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:07:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 17:07:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 17:07:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 17:07:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 17:07:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-21 17:07:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-21 17:07:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-21 17:07:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-21 17:07:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 17:07:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 17:07:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-21 17:07:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-21 17:07:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 17:07:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 17:07:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-21 17:07:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-21 17:07:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:07:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:07:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:07:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:07:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-21 17:07:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-21 17:07:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-21 17:07:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-21 17:07:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 17:07:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 17:07:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-21 17:07:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-21 17:07:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:07:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-21 17:07:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-21 17:07:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:07:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-21 17:07:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-21 17:07:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 17:07:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 17:07:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-21 17:07:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-21 17:07:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-21 17:07:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-21 17:07:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-11-21 17:07:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-11-21 17:07:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 17:07:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 17:07:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-21 17:07:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-21 17:07:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-11-21 17:07:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-11-21 17:07:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:07:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 17:07:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 17:07:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 17:07:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 17:07:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 17:07:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 17:07:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:07:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:07:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 17:07:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 17:07:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-21 17:07:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-21 17:07:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:07:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:07:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-11-21 17:07:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-11-21 17:07:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:07:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:07:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:07:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 17:07:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 17:07:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 17:07:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 17:07:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-11-21 17:07:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-11-21 17:07:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:07:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 17:07:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 17:07:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:07:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-11-21 17:07:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-11-21 17:07:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:07:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-21 17:07:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-21 17:07:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-11-21 17:07:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-11-21 17:07:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-11-21 17:07:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-11-21 17:07:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 17:07:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 17:07:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-21 17:07:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-21 17:07:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-21 17:07:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-21 17:07:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-21 17:07:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-21 17:07:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-21 17:07:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-21 17:07:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-21 17:07:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-21 17:07:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 17:07:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 17:07:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-21 17:07:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-21 17:07:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-11-21 17:07:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-11-21 17:07:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:07:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-21 17:07:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-21 17:07:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-21 17:07:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-21 17:07:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-21 17:07:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-21 17:07:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-21 17:07:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-21 17:07:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:07:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:07:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 17:07:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 17:07:08,232 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:07:08,239 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:07:09,287 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:07:09,293 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:07:09,303 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:07:09,305 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:07:09,308 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:07:09,309 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:07:09,322 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:07:11,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##415: assume !false; [2022-11-21 17:07:11,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##414: assume false; [2022-11-21 17:07:11,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##271: assume !false; [2022-11-21 17:07:11,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##270: assume false; [2022-11-21 17:07:11,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-21 17:07:11,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-21 17:07:11,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##225: assume false; [2022-11-21 17:07:11,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##226: assume !false; [2022-11-21 17:07:11,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##239: assume false; [2022-11-21 17:07:11,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume !false; [2022-11-21 17:07:11,387 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-11-21 17:07:11,387 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-11-21 17:07:11,387 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##104: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2022-11-21 17:07:11,387 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume false; [2022-11-21 17:07:11,516 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:07:11,539 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:07:11,539 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:07:11,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:11 BoogieIcfgContainer [2022-11-21 17:07:11,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:07:11,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:07:11,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:07:11,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:07:11,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:07:04" (1/3) ... [2022-11-21 17:07:11,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b2b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:07:11, skipping insertion in model container [2022-11-21 17:07:11,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:07:06" (2/3) ... [2022-11-21 17:07:11,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0b2b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:07:11, skipping insertion in model container [2022-11-21 17:07:11,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:11" (3/3) ... [2022-11-21 17:07:11,556 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-21 17:07:11,576 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:07:11,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:07:11,690 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:07:11,699 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;@6ea2fe05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:07:11,699 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:07:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 1076 states, 758 states have (on average 1.2968337730870712) internal successors, (983), 766 states have internal predecessors, (983), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-21 17:07:11,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 17:07:11,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:11,722 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] [2022-11-21 17:07:11,723 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:11,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:11,732 INFO L85 PathProgramCache]: Analyzing trace with hash 351665178, now seen corresponding path program 1 times [2022-11-21 17:07:11,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:11,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252692333] [2022-11-21 17:07:11,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:11,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-21 17:07:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-21 17:07:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:12,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:12,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252692333] [2022-11-21 17:07:12,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252692333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:12,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:12,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:07:12,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749705162] [2022-11-21 17:07:12,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:12,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:07:12,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:12,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:07:12,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:07:12,395 INFO L87 Difference]: Start difference. First operand has 1076 states, 758 states have (on average 1.2968337730870712) internal successors, (983), 766 states have internal predecessors, (983), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:07:12,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:12,639 INFO L93 Difference]: Finished difference Result 2147 states and 3011 transitions. [2022-11-21 17:07:12,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:07:12,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-21 17:07:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:12,668 INFO L225 Difference]: With dead ends: 2147 [2022-11-21 17:07:12,668 INFO L226 Difference]: Without dead ends: 1072 [2022-11-21 17:07:12,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:07:12,686 INFO L413 NwaCegarLoop]: 1495 mSDtfsCounter, 1 mSDsluCounter, 1493 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2988 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:12,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2988 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:07:12,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2022-11-21 17:07:12,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 1071. [2022-11-21 17:07:12,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 755 states have (on average 1.2927152317880795) internal successors, (976), 761 states have internal predecessors, (976), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-21 17:07:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1494 transitions. [2022-11-21 17:07:12,833 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1494 transitions. Word has length 21 [2022-11-21 17:07:12,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:12,833 INFO L495 AbstractCegarLoop]: Abstraction has 1071 states and 1494 transitions. [2022-11-21 17:07:12,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:07:12,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1494 transitions. [2022-11-21 17:07:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 17:07:12,836 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:12,836 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, 1, 1] [2022-11-21 17:07:12,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:07:12,836 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:12,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:12,837 INFO L85 PathProgramCache]: Analyzing trace with hash -429051210, now seen corresponding path program 1 times [2022-11-21 17:07:12,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:12,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959645987] [2022-11-21 17:07:12,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:12,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:13,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:13,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:13,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:13,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959645987] [2022-11-21 17:07:13,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959645987] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:07:13,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996787129] [2022-11-21 17:07:13,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:13,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:13,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:13,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:13,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:07:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:13,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:07:13,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:13,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 17:07:13,872 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:07:13,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996787129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:13,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:07:13,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-21 17:07:13,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105180896] [2022-11-21 17:07:13,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:13,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:07:13,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:13,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:07:13,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:07:13,879 INFO L87 Difference]: Start difference. First operand 1071 states and 1494 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:07:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:14,132 INFO L93 Difference]: Finished difference Result 3185 states and 4448 transitions. [2022-11-21 17:07:14,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:07:14,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-21 17:07:14,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:14,154 INFO L225 Difference]: With dead ends: 3185 [2022-11-21 17:07:14,154 INFO L226 Difference]: Without dead ends: 2122 [2022-11-21 17:07:14,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:07:14,165 INFO L413 NwaCegarLoop]: 1998 mSDtfsCounter, 1468 mSDsluCounter, 1472 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:14,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 3470 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:07:14,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2122 states. [2022-11-21 17:07:14,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2122 to 2119. [2022-11-21 17:07:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2119 states, 1492 states have (on average 1.2908847184986596) internal successors, (1926), 1503 states have internal predecessors, (1926), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-21 17:07:14,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 2119 states and 2956 transitions. [2022-11-21 17:07:14,314 INFO L78 Accepts]: Start accepts. Automaton has 2119 states and 2956 transitions. Word has length 23 [2022-11-21 17:07:14,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:14,315 INFO L495 AbstractCegarLoop]: Abstraction has 2119 states and 2956 transitions. [2022-11-21 17:07:14,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:07:14,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 2956 transitions. [2022-11-21 17:07:14,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-21 17:07:14,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:14,324 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:14,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:07:14,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:14,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:14,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:14,537 INFO L85 PathProgramCache]: Analyzing trace with hash 682576135, now seen corresponding path program 1 times [2022-11-21 17:07:14,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:14,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906167133] [2022-11-21 17:07:14,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:14,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:14,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:07:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-21 17:07:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 17:07:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:14,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:14,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906167133] [2022-11-21 17:07:14,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906167133] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:07:14,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656908838] [2022-11-21 17:07:14,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:14,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:14,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:14,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:14,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:07:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:15,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:07:15,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:15,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:07:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:15,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [656908838] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:07:15,588 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:07:15,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-21 17:07:15,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137797397] [2022-11-21 17:07:15,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:07:15,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:07:15,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:15,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:07:15,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:07:15,590 INFO L87 Difference]: Start difference. First operand 2119 states and 2956 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:07:15,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:15,785 INFO L93 Difference]: Finished difference Result 4238 states and 5914 transitions. [2022-11-21 17:07:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:07:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2022-11-21 17:07:15,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:15,802 INFO L225 Difference]: With dead ends: 4238 [2022-11-21 17:07:15,802 INFO L226 Difference]: Without dead ends: 2125 [2022-11-21 17:07:15,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:07:15,816 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 4 mSDsluCounter, 2976 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4466 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:15,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4466 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:07:15,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2125 states. [2022-11-21 17:07:16,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2125 to 2125. [2022-11-21 17:07:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1498 states have (on average 1.2897196261682242) internal successors, (1932), 1509 states have internal predecessors, (1932), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-21 17:07:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2962 transitions. [2022-11-21 17:07:16,041 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2962 transitions. Word has length 43 [2022-11-21 17:07:16,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:16,042 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 2962 transitions. [2022-11-21 17:07:16,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:07:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2962 transitions. [2022-11-21 17:07:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 17:07:16,051 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:16,051 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:16,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:07:16,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-11-21 17:07:16,261 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:16,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:16,262 INFO L85 PathProgramCache]: Analyzing trace with hash -549621541, now seen corresponding path program 2 times [2022-11-21 17:07:16,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:16,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124366934] [2022-11-21 17:07:16,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:16,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:07:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:07:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:07:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 17:07:16,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:16,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124366934] [2022-11-21 17:07:16,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124366934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:16,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:16,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:07:16,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406491542] [2022-11-21 17:07:16,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:16,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:07:16,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:07:16,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:07:16,613 INFO L87 Difference]: Start difference. First operand 2125 states and 2962 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:07:17,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:17,793 INFO L93 Difference]: Finished difference Result 6137 states and 8846 transitions. [2022-11-21 17:07:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:07:17,794 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-11-21 17:07:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:17,816 INFO L225 Difference]: With dead ends: 6137 [2022-11-21 17:07:17,817 INFO L226 Difference]: Without dead ends: 4031 [2022-11-21 17:07:17,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:07:17,828 INFO L413 NwaCegarLoop]: 2675 mSDtfsCounter, 2240 mSDsluCounter, 6468 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2433 SdHoareTripleChecker+Valid, 9143 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:17,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2433 Valid, 9143 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 17:07:17,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4031 states. [2022-11-21 17:07:17,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4031 to 2056. [2022-11-21 17:07:18,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2056 states, 1454 states have (on average 1.2895460797799174) internal successors, (1875), 1464 states have internal predecessors, (1875), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-21 17:07:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2855 transitions. [2022-11-21 17:07:18,023 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2855 transitions. Word has length 49 [2022-11-21 17:07:18,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:18,024 INFO L495 AbstractCegarLoop]: Abstraction has 2056 states and 2855 transitions. [2022-11-21 17:07:18,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:07:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2855 transitions. [2022-11-21 17:07:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-21 17:07:18,025 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:18,026 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:18,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:07:18,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:18,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:18,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1378918475, now seen corresponding path program 1 times [2022-11-21 17:07:18,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:18,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82743778] [2022-11-21 17:07:18,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:18,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:18,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 17:07:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-21 17:07:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 17:07:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:18,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:18,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82743778] [2022-11-21 17:07:18,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82743778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:07:18,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366844230] [2022-11-21 17:07:18,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:18,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:18,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:18,357 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:18,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:07:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:18,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 17:07:18,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:19,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:07:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:19,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366844230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:07:19,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:07:19,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-11-21 17:07:19,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202722251] [2022-11-21 17:07:19,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:07:19,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 17:07:19,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:19,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 17:07:19,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:07:19,108 INFO L87 Difference]: Start difference. First operand 2056 states and 2855 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:07:19,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:19,362 INFO L93 Difference]: Finished difference Result 4112 states and 5715 transitions. [2022-11-21 17:07:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:07:19,363 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 51 [2022-11-21 17:07:19,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:19,375 INFO L225 Difference]: With dead ends: 4112 [2022-11-21 17:07:19,375 INFO L226 Difference]: Without dead ends: 2068 [2022-11-21 17:07:19,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:07:19,384 INFO L413 NwaCegarLoop]: 1490 mSDtfsCounter, 10 mSDsluCounter, 5952 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7442 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:19,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7442 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:07:19,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2022-11-21 17:07:19,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2068. [2022-11-21 17:07:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2068 states, 1466 states have (on average 1.2871759890859482) internal successors, (1887), 1476 states have internal predecessors, (1887), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-21 17:07:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2867 transitions. [2022-11-21 17:07:19,509 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2867 transitions. Word has length 51 [2022-11-21 17:07:19,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:19,511 INFO L495 AbstractCegarLoop]: Abstraction has 2068 states and 2867 transitions. [2022-11-21 17:07:19,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:07:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2867 transitions. [2022-11-21 17:07:19,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 17:07:19,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:19,513 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:19,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:07:19,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:19,722 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:19,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:19,723 INFO L85 PathProgramCache]: Analyzing trace with hash 686053469, now seen corresponding path program 2 times [2022-11-21 17:07:19,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:19,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784616722] [2022-11-21 17:07:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 17:07:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:07:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:20,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:07:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:20,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784616722] [2022-11-21 17:07:20,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784616722] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:07:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166132007] [2022-11-21 17:07:20,382 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:07:20,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:20,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:20,383 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:20,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:07:20,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 17:07:20,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:07:20,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 1133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:07:20,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 17:07:21,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:07:21,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166132007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:21,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:07:21,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 15 [2022-11-21 17:07:21,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737212281] [2022-11-21 17:07:21,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:21,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:07:21,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:21,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:07:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:07:21,150 INFO L87 Difference]: Start difference. First operand 2068 states and 2867 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:07:23,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:23,152 INFO L93 Difference]: Finished difference Result 3055 states and 4236 transitions. [2022-11-21 17:07:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:07:23,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 63 [2022-11-21 17:07:23,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:23,173 INFO L225 Difference]: With dead ends: 3055 [2022-11-21 17:07:23,173 INFO L226 Difference]: Without dead ends: 3052 [2022-11-21 17:07:23,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2022-11-21 17:07:23,177 INFO L413 NwaCegarLoop]: 2632 mSDtfsCounter, 3050 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 3541 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:23,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 3541 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 478 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-21 17:07:23,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3052 states. [2022-11-21 17:07:23,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3052 to 3045. [2022-11-21 17:07:23,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 2157 states have (on average 1.2902178952248493) internal successors, (2783), 2170 states have internal predecessors, (2783), 722 states have call successors, (722), 166 states have call predecessors, (722), 165 states have return successors, (722), 721 states have call predecessors, (722), 720 states have call successors, (722) [2022-11-21 17:07:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 4227 transitions. [2022-11-21 17:07:23,368 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 4227 transitions. Word has length 63 [2022-11-21 17:07:23,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:23,369 INFO L495 AbstractCegarLoop]: Abstraction has 3045 states and 4227 transitions. [2022-11-21 17:07:23,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:07:23,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4227 transitions. [2022-11-21 17:07:23,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-21 17:07:23,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:23,373 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:23,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-21 17:07:23,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:23,582 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:23,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:23,585 INFO L85 PathProgramCache]: Analyzing trace with hash 33562226, now seen corresponding path program 1 times [2022-11-21 17:07:23,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:23,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728742402] [2022-11-21 17:07:23,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:23,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:23,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 17:07:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:23,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:07:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:07:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:23,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-21 17:07:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 17:07:23,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:23,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728742402] [2022-11-21 17:07:23,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728742402] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:23,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:23,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:07:23,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343306315] [2022-11-21 17:07:23,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:23,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:07:23,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:23,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:07:23,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:07:23,990 INFO L87 Difference]: Start difference. First operand 3045 states and 4227 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 17:07:25,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:25,082 INFO L93 Difference]: Finished difference Result 6401 states and 9106 transitions. [2022-11-21 17:07:25,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:07:25,083 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 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 67 [2022-11-21 17:07:25,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:25,110 INFO L225 Difference]: With dead ends: 6401 [2022-11-21 17:07:25,111 INFO L226 Difference]: Without dead ends: 4363 [2022-11-21 17:07:25,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:07:25,120 INFO L413 NwaCegarLoop]: 2216 mSDtfsCounter, 2078 mSDsluCounter, 4578 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 6794 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:25,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 6794 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 17:07:25,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4363 states. [2022-11-21 17:07:25,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4363 to 3045. [2022-11-21 17:07:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 2157 states have (on average 1.2897542883634678) internal successors, (2782), 2170 states have internal predecessors, (2782), 722 states have call successors, (722), 166 states have call predecessors, (722), 165 states have return successors, (722), 721 states have call predecessors, (722), 720 states have call successors, (722) [2022-11-21 17:07:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 4226 transitions. [2022-11-21 17:07:25,391 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 4226 transitions. Word has length 67 [2022-11-21 17:07:25,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:25,391 INFO L495 AbstractCegarLoop]: Abstraction has 3045 states and 4226 transitions. [2022-11-21 17:07:25,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 17:07:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 4226 transitions. [2022-11-21 17:07:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-21 17:07:25,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:25,395 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:25,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 17:07:25,395 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:25,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash 214205659, now seen corresponding path program 1 times [2022-11-21 17:07:25,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:25,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25521188] [2022-11-21 17:07:25,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:25,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:25,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 17:07:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 17:07:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 17:07:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-21 17:07:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:25,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 17:07:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:25,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:25,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25521188] [2022-11-21 17:07:25,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25521188] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:07:25,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540536039] [2022-11-21 17:07:25,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:25,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:25,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:25,919 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:25,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 17:07:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:26,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 17:07:26,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:26,714 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:26,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:07:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:27,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540536039] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:07:27,013 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:07:27,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 26 [2022-11-21 17:07:27,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474491165] [2022-11-21 17:07:27,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:07:27,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-21 17:07:27,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:27,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-21 17:07:27,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-11-21 17:07:27,015 INFO L87 Difference]: Start difference. First operand 3045 states and 4226 transitions. Second operand has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-21 17:07:29,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:29,235 INFO L93 Difference]: Finished difference Result 6092 states and 8465 transitions. [2022-11-21 17:07:29,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-21 17:07:29,236 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 76 [2022-11-21 17:07:29,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:29,251 INFO L225 Difference]: With dead ends: 6092 [2022-11-21 17:07:29,251 INFO L226 Difference]: Without dead ends: 3071 [2022-11-21 17:07:29,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-11-21 17:07:29,261 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 331 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 2803 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:29,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 2803 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-21 17:07:29,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3071 states. [2022-11-21 17:07:29,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3071 to 3071. [2022-11-21 17:07:29,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3071 states, 2182 states have (on average 1.2864344637946838) internal successors, (2807), 2196 states have internal predecessors, (2807), 722 states have call successors, (722), 166 states have call predecessors, (722), 166 states have return successors, (723), 721 states have call predecessors, (723), 720 states have call successors, (723) [2022-11-21 17:07:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 4252 transitions. [2022-11-21 17:07:29,454 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 4252 transitions. Word has length 76 [2022-11-21 17:07:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:29,454 INFO L495 AbstractCegarLoop]: Abstraction has 3071 states and 4252 transitions. [2022-11-21 17:07:29,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.9615384615384617) internal successors, (103), 25 states have internal predecessors, (103), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-21 17:07:29,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 4252 transitions. [2022-11-21 17:07:29,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-21 17:07:29,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:29,458 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:29,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:07:29,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:29,666 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:29,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:29,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1229854325, now seen corresponding path program 2 times [2022-11-21 17:07:29,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:29,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93814129] [2022-11-21 17:07:29,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:29,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:29,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 17:07:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:30,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 17:07:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:07:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:30,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:07:30,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:30,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 17:07:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:30,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:30,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93814129] [2022-11-21 17:07:30,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93814129] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:07:30,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987887806] [2022-11-21 17:07:30,789 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:07:30,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:30,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:30,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:30,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 17:07:31,389 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 17:07:31,389 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:07:31,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 34 conjunts are in the unsatisfiable core [2022-11-21 17:07:31,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-21 17:07:31,607 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:07:31,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987887806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:31,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:07:31,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [26] total 31 [2022-11-21 17:07:31,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320375555] [2022-11-21 17:07:31,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:31,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:07:31,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:31,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:07:31,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=618, Unknown=0, NotChecked=0, Total=930 [2022-11-21 17:07:31,609 INFO L87 Difference]: Start difference. First operand 3071 states and 4252 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 17:07:37,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:37,747 INFO L93 Difference]: Finished difference Result 9119 states and 12970 transitions. [2022-11-21 17:07:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 17:07:37,748 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 100 [2022-11-21 17:07:37,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:37,779 INFO L225 Difference]: With dead ends: 9119 [2022-11-21 17:07:37,779 INFO L226 Difference]: Without dead ends: 6103 [2022-11-21 17:07:37,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2022-11-21 17:07:37,791 INFO L413 NwaCegarLoop]: 3484 mSDtfsCounter, 3222 mSDsluCounter, 13002 mSDsCounter, 0 mSdLazyCounter, 2558 mSolverCounterSat, 917 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3416 SdHoareTripleChecker+Valid, 16486 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 917 IncrementalHoareTripleChecker+Valid, 2558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:37,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3416 Valid, 16486 Invalid, 3475 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [917 Valid, 2558 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-21 17:07:37,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6103 states. [2022-11-21 17:07:38,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6103 to 4043. [2022-11-21 17:07:38,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4043 states, 2868 states have (on average 1.286610878661088) internal successors, (3690), 2887 states have internal predecessors, (3690), 953 states have call successors, (953), 221 states have call predecessors, (953), 221 states have return successors, (953), 951 states have call predecessors, (953), 951 states have call successors, (953) [2022-11-21 17:07:38,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 4043 states and 5596 transitions. [2022-11-21 17:07:38,308 INFO L78 Accepts]: Start accepts. Automaton has 4043 states and 5596 transitions. Word has length 100 [2022-11-21 17:07:38,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:38,309 INFO L495 AbstractCegarLoop]: Abstraction has 4043 states and 5596 transitions. [2022-11-21 17:07:38,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 17:07:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 4043 states and 5596 transitions. [2022-11-21 17:07:38,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-21 17:07:38,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:38,313 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:38,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:07:38,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:38,521 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:38,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:38,522 INFO L85 PathProgramCache]: Analyzing trace with hash -465291325, now seen corresponding path program 1 times [2022-11-21 17:07:38,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:38,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477781147] [2022-11-21 17:07:38,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-21 17:07:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-21 17:07:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 17:07:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:07:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:39,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 17:07:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:39,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:39,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477781147] [2022-11-21 17:07:39,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477781147] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:07:39,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695545571] [2022-11-21 17:07:39,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:39,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:39,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:07:39,626 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:07:39,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 17:07:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:40,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1494 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-21 17:07:40,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:07:40,380 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:40,381 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:07:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:07:40,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695545571] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:07:40,990 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:07:40,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 25] total 36 [2022-11-21 17:07:40,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295232780] [2022-11-21 17:07:40,991 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:07:40,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-11-21 17:07:40,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:40,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-11-21 17:07:40,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2022-11-21 17:07:40,993 INFO L87 Difference]: Start difference. First operand 4043 states and 5596 transitions. Second operand has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 35 states have internal predecessors, (129), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-21 17:07:43,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:43,428 INFO L93 Difference]: Finished difference Result 8058 states and 11173 transitions. [2022-11-21 17:07:43,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-21 17:07:43,429 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 35 states have internal predecessors, (129), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 102 [2022-11-21 17:07:43,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:43,444 INFO L225 Difference]: With dead ends: 8058 [2022-11-21 17:07:43,451 INFO L226 Difference]: Without dead ends: 4063 [2022-11-21 17:07:43,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 189 SyntacticMatches, 14 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2022-11-21 17:07:43,468 INFO L413 NwaCegarLoop]: 1158 mSDtfsCounter, 330 mSDsluCounter, 2583 mSDsCounter, 0 mSdLazyCounter, 1729 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 3741 SdHoareTripleChecker+Invalid, 1957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 1729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:43,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 3741 Invalid, 1957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 1729 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-21 17:07:43,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4063 states. [2022-11-21 17:07:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4063 to 4063. [2022-11-21 17:07:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4063 states, 2888 states have (on average 1.2846260387811634) internal successors, (3710), 2907 states have internal predecessors, (3710), 953 states have call successors, (953), 221 states have call predecessors, (953), 221 states have return successors, (953), 951 states have call predecessors, (953), 951 states have call successors, (953) [2022-11-21 17:07:43,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4063 states to 4063 states and 5616 transitions. [2022-11-21 17:07:43,938 INFO L78 Accepts]: Start accepts. Automaton has 4063 states and 5616 transitions. Word has length 102 [2022-11-21 17:07:43,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:43,939 INFO L495 AbstractCegarLoop]: Abstraction has 4063 states and 5616 transitions. [2022-11-21 17:07:43,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 35 states have internal predecessors, (129), 1 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-21 17:07:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 4063 states and 5616 transitions. [2022-11-21 17:07:43,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-21 17:07:43,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:43,943 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:43,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:07:44,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:07:44,161 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:44,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:44,161 INFO L85 PathProgramCache]: Analyzing trace with hash -889089109, now seen corresponding path program 2 times [2022-11-21 17:07:44,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:44,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933261381] [2022-11-21 17:07:44,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:44,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:44,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 17:07:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:07:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:07:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:44,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 17:07:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:44,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 17:07:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:07:44,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:44,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933261381] [2022-11-21 17:07:44,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933261381] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:44,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:44,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:07:44,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391053257] [2022-11-21 17:07:44,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:44,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:07:44,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:44,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:07:44,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:07:44,894 INFO L87 Difference]: Start difference. First operand 4063 states and 5616 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 17:07:51,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:51,830 INFO L93 Difference]: Finished difference Result 8148 states and 11296 transitions. [2022-11-21 17:07:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 17:07:51,830 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 122 [2022-11-21 17:07:51,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:51,851 INFO L225 Difference]: With dead ends: 8148 [2022-11-21 17:07:51,851 INFO L226 Difference]: Without dead ends: 6104 [2022-11-21 17:07:51,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:07:51,862 INFO L413 NwaCegarLoop]: 1256 mSDtfsCounter, 3690 mSDsluCounter, 3347 mSDsCounter, 0 mSdLazyCounter, 4832 mSolverCounterSat, 1240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 4603 SdHoareTripleChecker+Invalid, 6072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 4832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:51,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 4603 Invalid, 6072 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1240 Valid, 4832 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-11-21 17:07:51,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6104 states. [2022-11-21 17:07:52,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6104 to 5117. [2022-11-21 17:07:52,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5117 states, 3630 states have (on average 1.2859504132231405) internal successors, (4668), 3655 states have internal predecessors, (4668), 1209 states have call successors, (1209), 276 states have call predecessors, (1209), 277 states have return successors, (1210), 1207 states have call predecessors, (1210), 1207 states have call successors, (1210) [2022-11-21 17:07:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 5117 states and 7087 transitions. [2022-11-21 17:07:52,493 INFO L78 Accepts]: Start accepts. Automaton has 5117 states and 7087 transitions. Word has length 122 [2022-11-21 17:07:52,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:52,494 INFO L495 AbstractCegarLoop]: Abstraction has 5117 states and 7087 transitions. [2022-11-21 17:07:52,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 17:07:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 5117 states and 7087 transitions. [2022-11-21 17:07:52,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-21 17:07:52,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:52,500 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-21 17:07:52,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 17:07:52,500 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:52,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:52,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1439707361, now seen corresponding path program 1 times [2022-11-21 17:07:52,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:52,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199549953] [2022-11-21 17:07:52,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:52,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 17:07:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:07:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 17:07:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 17:07:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 17:07:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-21 17:07:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 17:07:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:52,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-21 17:07:52,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:52,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199549953] [2022-11-21 17:07:52,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199549953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:52,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:52,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:07:52,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237125411] [2022-11-21 17:07:52,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:52,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:07:52,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:52,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:07:52,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:07:52,987 INFO L87 Difference]: Start difference. First operand 5117 states and 7087 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-21 17:07:55,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:07:55,847 INFO L93 Difference]: Finished difference Result 16412 states and 23748 transitions. [2022-11-21 17:07:55,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:07:55,848 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 132 [2022-11-21 17:07:55,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:07:55,892 INFO L225 Difference]: With dead ends: 16412 [2022-11-21 17:07:55,893 INFO L226 Difference]: Without dead ends: 11370 [2022-11-21 17:07:55,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:07:55,911 INFO L413 NwaCegarLoop]: 2221 mSDtfsCounter, 1876 mSDsluCounter, 5417 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2084 SdHoareTripleChecker+Valid, 7638 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 372 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:07:55,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2084 Valid, 7638 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [372 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 17:07:55,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11370 states. [2022-11-21 17:07:57,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11370 to 11307. [2022-11-21 17:07:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11307 states, 8010 states have (on average 1.3225967540574282) internal successors, (10594), 8045 states have internal predecessors, (10594), 3019 states have call successors, (3019), 276 states have call predecessors, (3019), 277 states have return successors, (3020), 3017 states have call predecessors, (3020), 3017 states have call successors, (3020) [2022-11-21 17:07:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11307 states to 11307 states and 16633 transitions. [2022-11-21 17:07:57,472 INFO L78 Accepts]: Start accepts. Automaton has 11307 states and 16633 transitions. Word has length 132 [2022-11-21 17:07:57,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:07:57,472 INFO L495 AbstractCegarLoop]: Abstraction has 11307 states and 16633 transitions. [2022-11-21 17:07:57,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-21 17:07:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 11307 states and 16633 transitions. [2022-11-21 17:07:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-21 17:07:57,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:07:57,480 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:07:57,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 17:07:57,480 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:07:57,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:07:57,481 INFO L85 PathProgramCache]: Analyzing trace with hash -153669824, now seen corresponding path program 1 times [2022-11-21 17:07:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:07:57,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805925484] [2022-11-21 17:07:57,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:07:57,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:07:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:57,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 17:07:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:57,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:07:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:07:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:07:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:07:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 17:07:57,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:07:57,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:07:57,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:07:57,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805925484] [2022-11-21 17:07:57,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805925484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:07:57,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:07:57,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:07:57,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534346729] [2022-11-21 17:07:57,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:07:57,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:07:57,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:07:57,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:07:57,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:07:57,843 INFO L87 Difference]: Start difference. First operand 11307 states and 16633 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 17:08:00,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:00,899 INFO L93 Difference]: Finished difference Result 16541 states and 24685 transitions. [2022-11-21 17:08:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:08:00,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2022-11-21 17:08:00,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:00,960 INFO L225 Difference]: With dead ends: 16541 [2022-11-21 17:08:00,960 INFO L226 Difference]: Without dead ends: 16533 [2022-11-21 17:08:00,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:08:00,969 INFO L413 NwaCegarLoop]: 2595 mSDtfsCounter, 1328 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1354 SdHoareTripleChecker+Valid, 6080 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:00,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1354 Valid, 6080 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-21 17:08:00,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16533 states. [2022-11-21 17:08:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16533 to 11313. [2022-11-21 17:08:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11313 states, 8014 states have (on average 1.322435737459446) internal successors, (10598), 8049 states have internal predecessors, (10598), 3021 states have call successors, (3021), 276 states have call predecessors, (3021), 277 states have return successors, (3022), 3019 states have call predecessors, (3022), 3019 states have call successors, (3022) [2022-11-21 17:08:02,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11313 states to 11313 states and 16641 transitions. [2022-11-21 17:08:02,375 INFO L78 Accepts]: Start accepts. Automaton has 11313 states and 16641 transitions. Word has length 130 [2022-11-21 17:08:02,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:02,376 INFO L495 AbstractCegarLoop]: Abstraction has 11313 states and 16641 transitions. [2022-11-21 17:08:02,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 17:08:02,376 INFO L276 IsEmpty]: Start isEmpty. Operand 11313 states and 16641 transitions. [2022-11-21 17:08:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-21 17:08:02,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:02,384 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-21 17:08:02,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 17:08:02,384 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:02,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:02,385 INFO L85 PathProgramCache]: Analyzing trace with hash 2022350004, now seen corresponding path program 1 times [2022-11-21 17:08:02,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:02,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36694442] [2022-11-21 17:08:02,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:02,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 17:08:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:02,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:08:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:02,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:08:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:02,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:08:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:02,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:02,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 17:08:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:08:02,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:02,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36694442] [2022-11-21 17:08:02,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36694442] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:08:02,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150627587] [2022-11-21 17:08:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:02,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:08:02,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:08:02,811 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:08:02,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-21 17:08:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:03,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 1709 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:08:03,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:08:03,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:08:03,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:08:03,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150627587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:03,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:08:03,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2022-11-21 17:08:03,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563524400] [2022-11-21 17:08:03,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:03,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:08:03,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:03,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:08:03,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:08:03,736 INFO L87 Difference]: Start difference. First operand 11313 states and 16641 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 17:08:06,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:06,404 INFO L93 Difference]: Finished difference Result 22557 states and 33210 transitions. [2022-11-21 17:08:06,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:08:06,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 134 [2022-11-21 17:08:06,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:06,446 INFO L225 Difference]: With dead ends: 22557 [2022-11-21 17:08:06,446 INFO L226 Difference]: Without dead ends: 10081 [2022-11-21 17:08:06,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:08:06,476 INFO L413 NwaCegarLoop]: 1937 mSDtfsCounter, 1684 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2081 SdHoareTripleChecker+Valid, 3231 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:06,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2081 Valid, 3231 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 17:08:06,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2022-11-21 17:08:07,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 10075. [2022-11-21 17:08:07,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10075 states, 7138 states have (on average 1.3160549173437939) internal successors, (9394), 7171 states have internal predecessors, (9394), 2659 states have call successors, (2659), 276 states have call predecessors, (2659), 277 states have return successors, (2660), 2657 states have call predecessors, (2660), 2657 states have call successors, (2660) [2022-11-21 17:08:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10075 states to 10075 states and 14713 transitions. [2022-11-21 17:08:08,005 INFO L78 Accepts]: Start accepts. Automaton has 10075 states and 14713 transitions. Word has length 134 [2022-11-21 17:08:08,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:08,005 INFO L495 AbstractCegarLoop]: Abstraction has 10075 states and 14713 transitions. [2022-11-21 17:08:08,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 17:08:08,006 INFO L276 IsEmpty]: Start isEmpty. Operand 10075 states and 14713 transitions. [2022-11-21 17:08:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-21 17:08:08,014 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:08,014 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:08:08,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:08:08,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-21 17:08:08,224 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:08,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:08,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1321851828, now seen corresponding path program 1 times [2022-11-21 17:08:08,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:08,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615813379] [2022-11-21 17:08:08,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:08,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 17:08:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:08:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:08:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 17:08:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 17:08:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:08:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 17:08:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-21 17:08:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-21 17:08:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-11-21 17:08:08,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:08,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615813379] [2022-11-21 17:08:08,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615813379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:08,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:08:08,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:08:08,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409512119] [2022-11-21 17:08:08,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:08,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:08:08,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:08,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:08:08,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:08:08,552 INFO L87 Difference]: Start difference. First operand 10075 states and 14713 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-21 17:08:09,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:09,938 INFO L93 Difference]: Finished difference Result 19416 states and 28340 transitions. [2022-11-21 17:08:09,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:08:09,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 153 [2022-11-21 17:08:09,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:09,973 INFO L225 Difference]: With dead ends: 19416 [2022-11-21 17:08:09,973 INFO L226 Difference]: Without dead ends: 9404 [2022-11-21 17:08:10,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:08:10,001 INFO L413 NwaCegarLoop]: 1498 mSDtfsCounter, 13 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4473 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:10,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4473 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:08:10,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9404 states. [2022-11-21 17:08:11,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9404 to 9394. [2022-11-21 17:08:11,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9394 states, 6655 states have (on average 1.3140495867768596) internal successors, (8745), 6687 states have internal predecessors, (8745), 2465 states have call successors, (2465), 272 states have call predecessors, (2465), 273 states have return successors, (2466), 2460 states have call predecessors, (2466), 2463 states have call successors, (2466) [2022-11-21 17:08:11,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9394 states to 9394 states and 13676 transitions. [2022-11-21 17:08:11,502 INFO L78 Accepts]: Start accepts. Automaton has 9394 states and 13676 transitions. Word has length 153 [2022-11-21 17:08:11,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:11,502 INFO L495 AbstractCegarLoop]: Abstraction has 9394 states and 13676 transitions. [2022-11-21 17:08:11,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-21 17:08:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 9394 states and 13676 transitions. [2022-11-21 17:08:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-21 17:08:11,510 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:11,510 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-21 17:08:11,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 17:08:11,511 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:11,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:11,511 INFO L85 PathProgramCache]: Analyzing trace with hash 178807449, now seen corresponding path program 1 times [2022-11-21 17:08:11,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:11,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564098564] [2022-11-21 17:08:11,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:11,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-21 17:08:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:08:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-21 17:08:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:08:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:08:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 17:08:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 17:08:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-21 17:08:11,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:08:11,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564098564] [2022-11-21 17:08:11,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564098564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:11,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:08:11,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:08:11,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766495600] [2022-11-21 17:08:11,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:11,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:08:11,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:08:11,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:08:11,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:08:11,934 INFO L87 Difference]: Start difference. First operand 9394 states and 13676 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-21 17:08:13,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:13,343 INFO L93 Difference]: Finished difference Result 18677 states and 27214 transitions. [2022-11-21 17:08:13,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:08:13,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 150 [2022-11-21 17:08:13,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:13,384 INFO L225 Difference]: With dead ends: 18677 [2022-11-21 17:08:13,384 INFO L226 Difference]: Without dead ends: 9358 [2022-11-21 17:08:13,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:08:13,413 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 1443 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1443 SdHoareTripleChecker+Valid, 1484 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 [2022-11-21 17:08:13,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1443 Valid, 1484 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:08:13,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9358 states. [2022-11-21 17:08:14,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9358 to 9358. [2022-11-21 17:08:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9358 states, 6619 states have (on average 1.3103187792717934) internal successors, (8673), 6651 states have internal predecessors, (8673), 2465 states have call successors, (2465), 272 states have call predecessors, (2465), 273 states have return successors, (2466), 2460 states have call predecessors, (2466), 2463 states have call successors, (2466) [2022-11-21 17:08:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9358 states to 9358 states and 13604 transitions. [2022-11-21 17:08:14,691 INFO L78 Accepts]: Start accepts. Automaton has 9358 states and 13604 transitions. Word has length 150 [2022-11-21 17:08:14,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:14,691 INFO L495 AbstractCegarLoop]: Abstraction has 9358 states and 13604 transitions. [2022-11-21 17:08:14,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-21 17:08:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 9358 states and 13604 transitions. [2022-11-21 17:08:14,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-21 17:08:14,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:14,699 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:08:14,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-21 17:08:14,699 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:14,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:14,700 INFO L85 PathProgramCache]: Analyzing trace with hash 524416282, now seen corresponding path program 1 times [2022-11-21 17:08:14,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:08:14,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223333240] [2022-11-21 17:08:14,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:14,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:08:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:08:15,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:08:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:08:15,454 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:08:15,455 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:08:15,457 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:08:15,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-21 17:08:15,462 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:08:15,467 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:08:15,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:08:15 BoogieIcfgContainer [2022-11-21 17:08:15,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:08:15,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:08:15,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:08:15,707 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:08:15,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:07:11" (3/4) ... [2022-11-21 17:08:15,711 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:08:15,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:08:15,711 INFO L158 Benchmark]: Toolchain (without parser) took 71567.53ms. Allocated memory was 161.5MB in the beginning and 3.3GB in the end (delta: 3.1GB). Free memory was 129.5MB in the beginning and 1.2GB in the end (delta: -1.0GB). Peak memory consumption was 2.1GB. Max. memory is 16.1GB. [2022-11-21 17:08:15,712 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:08:15,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2772.03ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 129.5MB in the beginning and 111.6MB in the end (delta: 17.9MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. [2022-11-21 17:08:15,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.63ms. Allocated memory is still 201.3MB. Free memory was 111.6MB in the beginning and 89.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 17:08:15,714 INFO L158 Benchmark]: Boogie Preprocessor took 228.09ms. Allocated memory is still 201.3MB. Free memory was 89.6MB in the beginning and 125.0MB in the end (delta: -35.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 17:08:15,715 INFO L158 Benchmark]: RCFGBuilder took 4164.79ms. Allocated memory was 201.3MB in the beginning and 337.6MB in the end (delta: 136.3MB). Free memory was 125.0MB in the beginning and 241.5MB in the end (delta: -116.5MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. [2022-11-21 17:08:15,715 INFO L158 Benchmark]: TraceAbstraction took 64159.63ms. Allocated memory was 337.6MB in the beginning and 3.3GB in the end (delta: 3.0GB). Free memory was 240.4MB in the beginning and 1.2GB in the end (delta: -915.4MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2022-11-21 17:08:15,717 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 3.3GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:08:15,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2772.03ms. Allocated memory was 161.5MB in the beginning and 201.3MB in the end (delta: 39.8MB). Free memory was 129.5MB in the beginning and 111.6MB in the end (delta: 17.9MB). Peak memory consumption was 119.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.63ms. Allocated memory is still 201.3MB. Free memory was 111.6MB in the beginning and 89.6MB in the end (delta: 22.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.09ms. Allocated memory is still 201.3MB. Free memory was 89.6MB in the beginning and 125.0MB in the end (delta: -35.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4164.79ms. Allocated memory was 201.3MB in the beginning and 337.6MB in the end (delta: 136.3MB). Free memory was 125.0MB in the beginning and 241.5MB in the end (delta: -116.5MB). Peak memory consumption was 123.2MB. Max. memory is 16.1GB. * TraceAbstraction took 64159.63ms. Allocated memory was 337.6MB in the beginning and 3.3GB in the end (delta: 3.0GB). Free memory was 240.4MB in the beginning and 1.2GB in the end (delta: -915.4MB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Witness Printer took 4.06ms. Allocated memory is still 3.3GB. Free memory is still 1.2GB. There was no memory consumed. Max. memory is 16.1GB. * 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: 7949]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 7341, overapproximation of bitwiseOr at line 4779. Possible FailurePath: [L5238] static int fst_txq_low = 8; [L5239] static int fst_txq_high = 12; [L5240] static int fst_max_reads = 7; [L5241] static int fst_excluded_cards = 0; [L5242] static int fst_excluded_list[32U] ; [L5243-L5251] static struct pci_device_id const fst_pci_dev_id[8U] = { {5657U, 1024U, 4294967295U, 4294967295U, 0U, 0U, 1UL}, {5657U, 1088U, 4294967295U, 4294967295U, 0U, 0U, 2UL}, {5657U, 1552U, 4294967295U, 4294967295U, 0U, 0U, 3UL}, {5657U, 1568U, 4294967295U, 4294967295U, 0U, 0U, 4UL}, {5657U, 1600U, 4294967295U, 4294967295U, 0U, 0U, 5UL}, {5657U, 5648U, 4294967295U, 4294967295U, 0U, 0U, 6UL}, {5657U, 5650U, 4294967295U, 4294967295U, 0U, 0U, 6UL}, {0U, 0U, 0U, 0U, 0U, 0U, 0UL}}; [L5252] struct pci_device_id const __mod_pci_device_table ; [L5257] static struct tasklet_struct fst_tx_task = {(struct tasklet_struct *)0, 0UL, {0}, & fst_process_tx_work_q, 0UL}; [L5258] static struct tasklet_struct fst_int_task = {(struct tasklet_struct *)0, 0UL, {0}, & fst_process_int_work_q, 0UL}; [L5259] static struct fst_card_info *fst_card_array[32U] ; [L5260] static spinlock_t fst_work_q_lock ; [L5261] static u64 fst_work_txq ; [L5262] static u64 fst_work_intq ; [L7341-L7342] static char *type_strings[7U] = { (char *)"no hardware", (char *)"FarSync T2P", (char *)"FarSync T4P", (char *)"FarSync T1U", (char *)"FarSync T2U", (char *)"FarSync T4U", (char *)"FarSync TE1"}; [L7394-L7427] static struct net_device_ops const fst_ops = {(int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, & fst_open, & fst_close, & hdlc_start_xmit, (u16 (*)(struct net_device * , struct sk_buff * ))0, (void (*)(struct net_device * , int ))0, (void (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , void * ))0, (int (*)(struct net_device * ))0, & fst_ioctl, (int (*)(struct net_device * , struct ifmap * ))0, & hdlc_change_mtu, (int (*)(struct net_device * , struct neigh_parms * ))0, & fst_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device * , struct rtnl_link_stats64 * ))0, (struct net_device_stats *(*)(struct net_device * ))0, (void (*)(struct net_device * , struct vlan_group * ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * , unsigned short ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , struct netpoll_info * ))0, (void (*)(struct net_device * ))0, (int (*)(struct net_device * , int , u8 * ))0, (int (*)(struct net_device * , int , u16 , u8 ))0, (int (*)(struct net_device * , int , int ))0, (int (*)(struct net_device * , int , struct ifla_vf_info * ))0, (int (*)(struct net_device * , int , struct nlattr ** ))0, (int (*)(struct net_device * , int , struct sk_buff * ))0, (int (*)(struct net_device * , u8 ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u16 ))0, (int (*)(struct net_device * , u16 , struct scatterlist * , unsigned int ))0, (int (*)(struct net_device * , u64 * , int ))0, (int (*)(struct net_device * , struct sk_buff const * , u16 , u32 ))0, (int (*)(struct net_device * , struct net_device * ))0, (int (*)(struct net_device * , struct net_device * ))0, (u32 (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , u32 ))0}; [L7745-L7759] static struct pci_driver fst_driver = {{(struct list_head *)0, (struct list_head *)0}, "fst", (struct pci_device_id const *)(& fst_pci_dev_id), & fst_add_one, & fst_remove_one, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * , pm_message_t ))0, (int (*)(struct pci_dev * ))0, (int (*)(struct pci_dev * ))0, (void (*)(struct pci_dev * ))0, (struct pci_error_handlers *)0, {(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device * ))0, (int (*)(struct device * ))0, (void (*)(struct device * ))0, (int (*)(struct device * , pm_message_t ))0, (int (*)(struct device * ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}}; [L7800] int LDV_IN_INTERRUPT ; [L7953] int ldv_module_refcounter = 1; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=0, ldv_module_refcounter=1, type_strings={53:0}] [L7802] struct net_device *var_group1 ; [L7803] int res_fst_open_36 ; [L7804] int res_fst_close_37 ; [L7805] struct ifreq *var_group2 ; [L7806] int var_fst_ioctl_33_p2 ; [L7807] struct pci_dev *var_group3 ; [L7808] struct pci_device_id const *var_fst_add_one_42_p1 ; [L7809] int res_fst_add_one_42 ; [L7810] int var_fst_intr_27_p0 ; [L7811] void *var_fst_intr_27_p1 ; [L7812] int ldv_s_fst_ops_net_device_ops ; [L7813] int ldv_s_fst_driver_pci_driver ; [L7814] int tmp ; [L7815] int tmp___0 ; [L7816] int tmp___1 ; [L7819] ldv_s_fst_ops_net_device_ops = 0 [L7820] ldv_s_fst_driver_pci_driver = 0 [L7821] LDV_IN_INTERRUPT = 1 [L7822] FCALL ldv_initialize() [L7823] CALL, EXPR fst_init() [L7761] int i ; [L7762] struct lock_class_key __key ; [L7763] int tmp ; [L7765] i = 0 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=0, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=2, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=2, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=3, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=3, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=4, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=4, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=5, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=5, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=6, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=6, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=7, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=7, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=8, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=8, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=9, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=9, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=10, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=10, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=11, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=11, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=12, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=12, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=13, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=13, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=14, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=14, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=15, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=15, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=16, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=16, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=17, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=17, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=18, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=18, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=19, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=19, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=20, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=21, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=21, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=22, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=22, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=23, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=23, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=24, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=24, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=25, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=25, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=26, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=26, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=27, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=27, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=28, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=28, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=29, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=29, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=30, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=30, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=31, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND TRUE i <= 31 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=31, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7768] fst_card_array[i] = (struct fst_card_info *)0 [L7769] i = i + 1 VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7771] COND FALSE !(i <= 31) VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7778] CALL spinlock_check(& fst_work_q_lock) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, lock={50:0}, type_strings={53:0}] [L4600] return (& lock->ldv_6060.rlock); VAL [\result={50:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, lock={50:0}, lock={50:0}, type_strings={53:0}] [L7778] RET spinlock_check(& fst_work_q_lock) VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, spinlock_check(& fst_work_q_lock)={50:0}, type_strings={53:0}] [L7779-L7780] FCALL __raw_spin_lock_init(& fst_work_q_lock.ldv_6060.rlock, "&(&fst_work_q_lock)->rlock", & __key) VAL [__key={60:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7781] CALL, EXPR __pci_register_driver(& fst_driver, & __this_module, "farsync") [L8074] return __VERIFIER_nondet_int(); [L7781] RET, EXPR __pci_register_driver(& fst_driver, & __this_module, "farsync") [L7781] tmp = __pci_register_driver(& fst_driver, & __this_module, "farsync") [L7783] return (tmp); [L7783] return (tmp); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, i=32, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, tmp=0, type_strings={53:0}] [L7823] RET, EXPR fst_init() [L7823] tmp = fst_init() [L7825] COND FALSE !(tmp != 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, tmp=0, type_strings={53:0}] [L7921] tmp___1 = __VERIFIER_nondet_int() [L7923] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, tmp=0, tmp___1=-2, type_strings={53:0}] [L7832] tmp___0 = __VERIFIER_nondet_int() [L7834] COND TRUE tmp___0 == 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, tmp=0, tmp___0=0, tmp___1=-2, type_strings={53:0}] [L7855] COND TRUE ldv_s_fst_ops_net_device_ops == 0 [L7857] CALL, EXPR fst_open(var_group1) [L7167] int err ; [L7168] struct fst_port_info *port ; [L7169] struct hdlc_device *tmp ; [L7170] int tmp___0 ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7173] CALL, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L5204] void *tmp ; [L5207] CALL, EXPR netdev_priv((struct net_device const *)dev) [L5064] return ((void *)dev + 2560U); VAL [\result={4294967308:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L5207] RET, EXPR netdev_priv((struct net_device const *)dev) [L5207] tmp = netdev_priv((struct net_device const *)dev) [L5209] return ((struct hdlc_device *)tmp); VAL [\result={4294967308:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, tmp={4294967308:0}, type_strings={53:0}] [L7173] RET, EXPR dev_to_hdlc(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, dev_to_hdlc(dev)={4294967308:0}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, type_strings={53:0}] [L7173] tmp = dev_to_hdlc(dev) [L7174] EXPR tmp->priv [L7174] port = (struct fst_port_info *)tmp->priv [L7175] CALL, EXPR ldv_try_module_get_1(& __this_module) [L8027] int tmp ; [L8030] CALL, EXPR ldv_try_module_get(module) [L7965] int module_get_succeeded ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, module={-60:61}, module={-60:61}, type_strings={53:0}] [L7967] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L7969] CALL, EXPR ldv_undefined_int() [L8154] return __VERIFIER_nondet_int(); [L7969] RET, EXPR ldv_undefined_int() [L7969] module_get_succeeded = ldv_undefined_int() [L7971] COND TRUE module_get_succeeded == 1 [L7972] ldv_module_refcounter = ldv_module_refcounter + 1 [L7973] return (1); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, module={-60:61}, module={-60:61}, module_get_succeeded=1, type_strings={53:0}] [L8030] RET, EXPR ldv_try_module_get(module) [L8030] tmp = ldv_try_module_get(module) [L8032] return (tmp); VAL [\result=1, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, module={-60:61}, module={-60:61}, tmp=1, type_strings={53:0}] [L7175] RET, EXPR ldv_try_module_get_1(& __this_module) [L7175] tmp___0 = ldv_try_module_get_1(& __this_module) [L7177] COND FALSE !(tmp___0 == 0) [L7181] EXPR port->mode VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, port->mode=4, tmp={4294967308:0}, tmp___0=1, type_strings={53:0}] [L7181] COND FALSE !(port->mode != 4) [L7195] CALL fst_openport(port) [L7102] int signals ; [L7103] int txq_length ; [L7104] unsigned int tmp ; [L7105] int tmp___0 ; [L7107] EXPR port->card [L7107] EXPR (port->card)->state VAL [(port->card)->state=62, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, port={4294967299:0}, port->card={4294967314:-39}, type_strings={53:0}] [L7107] COND FALSE !((port->card)->state == 4U) [L7195] RET fst_openport(port) [L7196] CALL netif_wake_queue(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L5137] struct netdev_queue *tmp ; VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L5140] CALL, EXPR netdev_get_tx_queue((struct net_device const *)dev, 0U) VAL [\old(index)=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L5058] EXPR dev->_tx [L5058] return ((struct netdev_queue *)dev->_tx + (unsigned long )index); [L5140] RET, EXPR netdev_get_tx_queue((struct net_device const *)dev, 0U) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, netdev_get_tx_queue((struct net_device const *)dev, 0U)={4294967331:0}, type_strings={53:0}] [L5140] tmp = netdev_get_tx_queue((struct net_device const *)dev, 0U) [L5141] CALL netif_tx_wake_queue(tmp) [L5111] int tmp ; [L5112] int tmp___0 ; [L5115] CALL, EXPR netpoll_trap() [L8174] return __VERIFIER_nondet_int(); [L5115] RET, EXPR netpoll_trap() [L5115] tmp = netpoll_trap() [L5117] COND TRUE tmp != 0 [L5119] CALL netif_tx_start_queue(dev_queue) [L5105] FCALL clear_bit(0, (unsigned long volatile *)(& dev_queue->state)) [L5119] RET netif_tx_start_queue(dev_queue) [L5141] RET netif_tx_wake_queue(tmp) [L7196] RET netif_wake_queue(dev) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, tmp={4294967308:0}, tmp___0=1, type_strings={53:0}] [L7198] return (0); VAL [\result=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, dev={4294967308:-2560}, dev={4294967308:-2560}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, port={4294967299:0}, tmp={4294967308:0}, tmp___0=1, type_strings={53:0}] [L7857] RET, EXPR fst_open(var_group1) [L7857] res_fst_open_36 = fst_open(var_group1) [L7858] FCALL ldv_check_return_value(res_fst_open_36) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=0, res_fst_open_36=0, tmp=0, tmp___0=0, tmp___1=-2, type_strings={53:0}, var_group1={4294967308:-2560}] [L7860] COND FALSE !(res_fst_open_36 < 0) [L7864] ldv_s_fst_ops_net_device_ops = ldv_s_fst_ops_net_device_ops + 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=0, tmp___1=-2, type_strings={53:0}, var_group1={4294967308:-2560}] [L7921] tmp___1 = __VERIFIER_nondet_int() [L7923] COND TRUE tmp___1 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=0, tmp___1=-4, type_strings={53:0}, var_group1={4294967308:-2560}] [L7832] tmp___0 = __VERIFIER_nondet_int() [L7834] COND FALSE !(tmp___0 == 0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967308:-2560}] [L7837] COND FALSE !(tmp___0 == 1) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967308:-2560}] [L7840] COND FALSE !(tmp___0 == 2) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967308:-2560}] [L7843] COND FALSE !(tmp___0 == 3) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967308:-2560}] [L7846] COND TRUE tmp___0 == 4 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_group1={4294967308:-2560}] [L7893] COND TRUE ldv_s_fst_driver_pci_driver == 0 [L7895] CALL, EXPR fst_add_one(var_group3, var_fst_add_one_42_p1) [L7429] int no_of_cards_added ; [L7430] struct fst_card_info *card ; [L7431] int err ; [L7432] int i ; [L7433] bool __print_once ; [L7434] void *tmp ; [L7435] char *tmp___0 ; [L7436] void *tmp___1 ; [L7437] char *tmp___2 ; [L7438] void *tmp___3 ; [L7439] int tmp___4 ; [L7440] int tmp___5 ; [L7441] struct lock_class_key __key ; [L7442] struct net_device *dev ; [L7443] struct net_device *tmp___6 ; [L7444] hdlc_device *hdlc ; [L7445] int tmp___7 ; [L7446] struct hdlc_device *tmp___8 ; [L7447] int tmp___9 ; [L7449] no_of_cards_added = 0 [L7450] err = 0 VAL [__key={58:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, ent={4294967303:4294967335}, ent={4294967303:4294967335}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967328:4294967320}, pdev={4294967328:4294967320}, type_strings={53:0}] [L7451] COND TRUE ! __print_once [L7453] __print_once = (bool )1 [L7458] COND FALSE !(fst_excluded_cards != 0) VAL [__key={58:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __print_once=1, __this_module={-60:61}, ent={4294967303:4294967335}, ent={4294967303:4294967335}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967328:4294967320}, pdev={4294967328:4294967320}, type_strings={53:0}] [L7480] CALL, EXPR kzalloc(1000UL, 208U) [L4776] void *tmp ; [L4779] CALL, EXPR kmalloc(size, flags | 32768U) [L4766] void *tmp___2 ; [L4769] CALL, EXPR __kmalloc(size, flags) [L8067] CALL, EXPR ldv_malloc(arg0) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L8061] COND TRUE __VERIFIER_nondet_bool() [L8061] return 0; VAL [\old(size)=1000, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, size=1000, type_strings={53:0}] [L8067] RET, EXPR ldv_malloc(arg0) VAL [\old(arg0)=1000, \old(arg1)=32768, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, arg0=1000, arg1=32768, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_malloc(arg0)={0:0}, ldv_module_refcounter=2, type_strings={53:0}] [L8067] return ldv_malloc(arg0); [L4769] RET, EXPR __kmalloc(size, flags) [L4769] tmp___2 = __kmalloc(size, flags) [L4771] return (tmp___2); VAL [\old(flags)=32768, \old(size)=1000, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, flags=32768, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, size=1000, tmp___2={0:0}, type_strings={53:0}] [L4779] RET, EXPR kmalloc(size, flags | 32768U) [L4779] tmp = kmalloc(size, flags | 32768U) [L4781] return (tmp); VAL [\old(flags)=208, \old(size)=1000, \result={0:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, flags=208, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, size=1000, tmp={0:0}, type_strings={53:0}] [L7480] RET, EXPR kzalloc(1000UL, 208U) [L7480] tmp = kzalloc(1000UL, 208U) [L7481] card = (struct fst_card_info *)tmp VAL [__key={58:0}, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __print_once=1, __this_module={-60:61}, card={0:0}, ent={4294967303:4294967335}, ent={4294967303:4294967335}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967328:4294967320}, pdev={4294967328:4294967320}, tmp={0:0}, type_strings={53:0}] [L7483] COND TRUE (unsigned long )card == (unsigned long )((struct fst_card_info *)0) [L7487] return (-12); [L7487] return (-12); VAL [\result=-12, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __print_once=1, __this_module={-60:61}, card={0:0}, ent={4294967303:4294967335}, ent={4294967303:4294967335}, err=0, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, no_of_cards_added=0, pdev={4294967328:4294967320}, pdev={4294967328:4294967320}, tmp={0:0}, type_strings={53:0}] [L7895] RET, EXPR fst_add_one(var_group3, var_fst_add_one_42_p1) [L7895] res_fst_add_one_42 = fst_add_one(var_group3, var_fst_add_one_42_p1) [L7896] FCALL ldv_check_return_value(res_fst_add_one_42) VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_add_one_42=-12, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_fst_add_one_42_p1={4294967303:4294967335}, var_group1={4294967308:-2560}, var_group3={4294967328:4294967320}] [L7898] COND TRUE res_fst_add_one_42 != 0 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_s_fst_driver_pci_driver=0, ldv_s_fst_ops_net_device_ops=1, res_fst_add_one_42=-12, res_fst_open_36=0, tmp=0, tmp___0=4, tmp___1=-4, type_strings={53:0}, var_fst_add_one_42_p1={4294967303:4294967335}, var_group1={4294967308:-2560}, var_group3={4294967328:4294967320}] [L7937] CALL fst_cleanup_module() [L7791] FCALL pci_unregister_driver(& fst_driver) [L7937] RET fst_cleanup_module() [L7941] CALL ldv_check_final_state() [L8017] COND TRUE ldv_module_refcounter != 1 VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L8019] CALL ldv_blast_assert() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] [L7949] reach_error() VAL [__mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __mod_pci_device_table=0, __this_module={-60:61}, fst_card_array={49:0}, fst_driver={55:0}, fst_excluded_cards=0, fst_excluded_list={45:0}, fst_int_task={48:0}, fst_max_reads=7, fst_ops={54:0}, fst_pci_dev_id={46:0}, fst_tx_task={47:0}, fst_txq_high=12, fst_txq_low=8, fst_work_intq={52:0}, fst_work_q_lock={50:0}, fst_work_txq={51:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, type_strings={53:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 57 procedures, 1076 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.8s, OverallIterations: 17, TraceHistogramMax: 32, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 35.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24305 SdHoareTripleChecker+Valid, 20.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22768 mSDsluCounter, 88383 SdHoareTripleChecker+Invalid, 17.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57596 mSDsCounter, 5153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11550 IncrementalHoareTripleChecker+Invalid, 16703 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5153 mSolverCounterUnsat, 30787 mSDtfsCounter, 11550 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1160 GetRequests, 987 SyntacticMatches, 15 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 565 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11313occurred in iteration=13, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 11650 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 2166 NumberOfCodeBlocks, 2102 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2252 ConstructedInterpolants, 0 QuantifiedInterpolants, 4145 SizeOfPredicates, 17 NumberOfNonLiveVariables, 10147 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 28 InterpolantComputations, 12 PerfectInterpolantSequences, 7904/10294 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 [2022-11-21 17:08:15,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- 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-b5237d8 [2022-11-21 17:08:18,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:08:18,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:08:18,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:08:18,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:08:18,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:08:18,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:08:18,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:08:18,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:08:18,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:08:18,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:08:18,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:08:18,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:08:18,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:08:18,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:08:18,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:08:18,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:08:18,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:08:18,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:08:18,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:08:18,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:08:18,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:08:18,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:08:18,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:08:18,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:08:18,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:08:18,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:08:18,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:08:18,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:08:18,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:08:18,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:08:18,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:08:18,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:08:18,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:08:18,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:08:18,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:08:18,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:08:18,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:08:18,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:08:18,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:08:18,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:08:18,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 17:08:18,587 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:08:18,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:08:18,589 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:08:18,589 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:08:18,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:08:18,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:08:18,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:08:18,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:08:18,591 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:08:18,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:08:18,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:08:18,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:08:18,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:08:18,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:08:18,594 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:08:18,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:08:18,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:08:18,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:08:18,594 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:08:18,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:08:18,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:08:18,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:08:18,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:08:18,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:08:18,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:08:18,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:08:18,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:08:18,596 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:08:18,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:08:18,597 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:08:18,597 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:08:18,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:08:18,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:08:18,598 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_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2022-11-21 17:08:18,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:08:19,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:08:19,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:08:19,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:08:19,021 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:08:19,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-21 17:08:22,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:08:22,687 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:08:22,688 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-21 17:08:22,739 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data/a454ee16a/d5d3552d35cb4774b3d982884fb88302/FLAG838ea1fe8 [2022-11-21 17:08:22,762 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/data/a454ee16a/d5d3552d35cb4774b3d982884fb88302 [2022-11-21 17:08:22,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:08:22,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:08:22,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:08:22,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:08:22,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:08:22,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:08:22" (1/1) ... [2022-11-21 17:08:22,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211c6415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:22, skipping insertion in model container [2022-11-21 17:08:22,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:08:22" (1/1) ... [2022-11-21 17:08:22,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:08:22,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:08:24,603 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_91df0542-8eed-4258-9d3c-8b96b90d39ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-21 17:08:24,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:08:24,707 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 17:08:24,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:08:25,127 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_91df0542-8eed-4258-9d3c-8b96b90d39ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-21 17:08:25,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:08:25,197 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:08:25,658 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_91df0542-8eed-4258-9d3c-8b96b90d39ae/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2022-11-21 17:08:25,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:08:25,996 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:08:25,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25 WrapperNode [2022-11-21 17:08:25,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:08:25,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:08:25,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:08:25,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:08:26,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,311 INFO L138 Inliner]: procedures = 214, calls = 1513, calls flagged for inlining = 98, calls inlined = 84, statements flattened = 3260 [2022-11-21 17:08:26,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:08:26,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:08:26,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:08:26,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:08:26,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,538 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:08:26,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:08:26,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:08:26,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:08:26,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (1/1) ... [2022-11-21 17:08:26,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:08:26,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:08:26,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:08:26,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:08:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 17:08:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 17:08:26,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 17:08:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:08:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-21 17:08:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:08:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-21 17:08:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-21 17:08:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-21 17:08:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-21 17:08:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 17:08:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 17:08:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:08:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:08:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 17:08:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 17:08:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-21 17:08:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-21 17:08:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-21 17:08:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-21 17:08:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-21 17:08:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-21 17:08:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 17:08:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 17:08:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-11-21 17:08:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-11-21 17:08:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-21 17:08:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-21 17:08:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-21 17:08:26,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-21 17:08:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 17:08:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 17:08:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:08:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:08:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-21 17:08:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-21 17:08:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-21 17:08:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-21 17:08:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 17:08:26,686 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 17:08:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-21 17:08:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 17:08:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-21 17:08:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-21 17:08:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-21 17:08:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:08:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 17:08:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-21 17:08:26,688 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-21 17:08:26,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:08:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-21 17:08:26,689 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-21 17:08:26,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 17:08:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 17:08:26,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-21 17:08:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 17:08:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 17:08:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-21 17:08:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-21 17:08:26,691 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-21 17:08:26,691 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-21 17:08:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2022-11-21 17:08:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2022-11-21 17:08:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-21 17:08:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-21 17:08:26,692 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-21 17:08:26,692 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-21 17:08:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2022-11-21 17:08:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2022-11-21 17:08:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-21 17:08:26,693 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-21 17:08:26,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-21 17:08:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-21 17:08:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 17:08:26,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 17:08:26,694 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-21 17:08:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-21 17:08:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-21 17:08:26,695 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-21 17:08:26,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:08:26,696 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:08:26,696 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2022-11-21 17:08:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2022-11-21 17:08:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:08:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:08:26,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 17:08:26,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 17:08:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-21 17:08:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-21 17:08:26,698 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2022-11-21 17:08:26,698 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2022-11-21 17:08:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-21 17:08:26,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-21 17:08:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 17:08:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-21 17:08:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:08:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-21 17:08:26,700 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-21 17:08:26,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:08:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2022-11-21 17:08:26,701 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2022-11-21 17:08:26,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:08:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-21 17:08:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-21 17:08:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-21 17:08:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-21 17:08:26,702 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-21 17:08:26,702 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2022-11-21 17:08:26,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2022-11-21 17:08:26,703 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2022-11-21 17:08:26,703 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2022-11-21 17:08:26,704 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 17:08:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 17:08:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-21 17:08:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-21 17:08:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-21 17:08:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-21 17:08:26,709 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-21 17:08:26,710 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-21 17:08:26,711 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-21 17:08:26,711 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-21 17:08:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-21 17:08:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-21 17:08:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 17:08:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 17:08:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-21 17:08:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-21 17:08:26,718 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2022-11-21 17:08:26,719 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2022-11-21 17:08:26,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-21 17:08:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-21 17:08:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-21 17:08:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-21 17:08:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-21 17:08:26,720 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-21 17:08:26,720 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-21 17:08:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-21 17:08:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-21 17:08:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:08:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:08:26,721 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 17:08:26,721 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 17:08:27,369 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:08:27,375 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:08:32,536 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:08:32,541 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:08:32,558 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:08:32,559 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:08:32,561 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:08:32,562 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:08:32,569 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-21 17:08:52,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##258: assume false; [2022-11-21 17:08:52,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##259: assume !false; [2022-11-21 17:08:52,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-21 17:08:52,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-21 17:08:52,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##214: assume !false; [2022-11-21 17:08:52,224 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##213: assume false; [2022-11-21 17:08:52,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##228: assume !false; [2022-11-21 17:08:52,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##227: assume false; [2022-11-21 17:08:52,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2022-11-21 17:08:52,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume false; [2022-11-21 17:08:52,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume !false; [2022-11-21 17:08:52,225 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume false; [2022-11-21 17:08:52,226 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##391: assume !false; [2022-11-21 17:08:52,226 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume false; [2022-11-21 17:08:52,328 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:08:52,344 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:08:52,344 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 17:08:52,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:08:52 BoogieIcfgContainer [2022-11-21 17:08:52,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:08:52,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:08:52,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:08:52,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:08:52,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:08:22" (1/3) ... [2022-11-21 17:08:52,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663ab95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:08:52, skipping insertion in model container [2022-11-21 17:08:52,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:08:25" (2/3) ... [2022-11-21 17:08:52,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@663ab95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:08:52, skipping insertion in model container [2022-11-21 17:08:52,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:08:52" (3/3) ... [2022-11-21 17:08:52,357 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2022-11-21 17:08:52,378 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:08:52,378 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:08:52,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:08:52,472 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;@2ece6c84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:08:52,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:08:52,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2022-11-21 17:08:52,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 17:08:52,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:52,491 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] [2022-11-21 17:08:52,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:52,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:52,498 INFO L85 PathProgramCache]: Analyzing trace with hash 953068106, now seen corresponding path program 1 times [2022-11-21 17:08:52,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:08:52,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496107453] [2022-11-21 17:08:52,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:52,519 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 [2022-11-21 17:08:52,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:08:52,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:08:52,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:53,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:08:53,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:08:53,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:08:53,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:08:53,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:08:53,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496107453] [2022-11-21 17:08:53,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496107453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:53,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:08:53,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:08:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811436114] [2022-11-21 17:08:53,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:53,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:08:53,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:08:53,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:08:53,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:08:53,791 INFO L87 Difference]: Start difference. First operand has 1064 states, 746 states have (on average 1.2908847184986596) internal successors, (963), 754 states have internal predecessors, (963), 260 states have call successors, (260), 56 states have call predecessors, (260), 56 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:08:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:54,176 INFO L93 Difference]: Finished difference Result 2123 states and 2971 transitions. [2022-11-21 17:08:54,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:08:54,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-21 17:08:54,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:54,209 INFO L225 Difference]: With dead ends: 2123 [2022-11-21 17:08:54,209 INFO L226 Difference]: Without dead ends: 1060 [2022-11-21 17:08:54,222 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 [2022-11-21 17:08:54,233 INFO L413 NwaCegarLoop]: 1475 mSDtfsCounter, 1 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2948 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:54,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2948 Invalid, 5 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:08:54,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-21 17:08:54,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1059. [2022-11-21 17:08:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 743 states have (on average 1.2866756393001346) internal successors, (956), 749 states have internal predecessors, (956), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-21 17:08:54,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1474 transitions. [2022-11-21 17:08:54,403 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1474 transitions. Word has length 21 [2022-11-21 17:08:54,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:54,404 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1474 transitions. [2022-11-21 17:08:54,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:08:54,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1474 transitions. [2022-11-21 17:08:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 17:08:54,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:54,406 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, 1, 1] [2022-11-21 17:08:54,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:54,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:54,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:54,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:54,623 INFO L85 PathProgramCache]: Analyzing trace with hash 172351718, now seen corresponding path program 1 times [2022-11-21 17:08:54,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:08:54,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012941383] [2022-11-21 17:08:54,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:54,626 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 [2022-11-21 17:08:54,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:08:54,627 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:08:54,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:55,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:08:55,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:08:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:08:55,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:08:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:08:55,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:08:55,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012941383] [2022-11-21 17:08:55,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012941383] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:08:55,782 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:08:55,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-21 17:08:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270378086] [2022-11-21 17:08:55,782 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:08:55,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:08:55,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:08:55,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:08:55,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:08:55,784 INFO L87 Difference]: Start difference. First operand 1059 states and 1474 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-21 17:08:55,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:55,996 INFO L93 Difference]: Finished difference Result 2118 states and 2950 transitions. [2022-11-21 17:08:55,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:08:55,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 23 [2022-11-21 17:08:55,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:56,003 INFO L225 Difference]: With dead ends: 2118 [2022-11-21 17:08:56,003 INFO L226 Difference]: Without dead ends: 1065 [2022-11-21 17:08:56,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:08:56,007 INFO L413 NwaCegarLoop]: 1471 mSDtfsCounter, 4 mSDsluCounter, 5876 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 7347 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:56,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 7347 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:08:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2022-11-21 17:08:56,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1065. [2022-11-21 17:08:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1065 states, 749 states have (on average 1.2843791722296396) internal successors, (962), 755 states have internal predecessors, (962), 260 states have call successors, (260), 56 states have call predecessors, (260), 55 states have return successors, (258), 258 states have call predecessors, (258), 258 states have call successors, (258) [2022-11-21 17:08:56,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 1065 states and 1480 transitions. [2022-11-21 17:08:56,052 INFO L78 Accepts]: Start accepts. Automaton has 1065 states and 1480 transitions. Word has length 23 [2022-11-21 17:08:56,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:56,053 INFO L495 AbstractCegarLoop]: Abstraction has 1065 states and 1480 transitions. [2022-11-21 17:08:56,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-21 17:08:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 1480 transitions. [2022-11-21 17:08:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-21 17:08:56,054 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:56,054 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:08:56,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:56,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:56,277 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:56,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:56,278 INFO L85 PathProgramCache]: Analyzing trace with hash 55524026, now seen corresponding path program 2 times [2022-11-21 17:08:56,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:08:56,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083630496] [2022-11-21 17:08:56,279 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:08:56,279 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 [2022-11-21 17:08:56,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:08:56,281 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:08:56,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:57,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 17:08:57,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:08:57,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:08:57,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:08:57,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-21 17:08:57,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:08:57,366 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:08:57,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083630496] [2022-11-21 17:08:57,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083630496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:08:57,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:08:57,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:08:57,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419213545] [2022-11-21 17:08:57,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:08:57,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:08:57,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:08:57,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:08:57,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:08:57,368 INFO L87 Difference]: Start difference. First operand 1065 states and 1480 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:08:57,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:08:57,536 INFO L93 Difference]: Finished difference Result 3155 states and 4394 transitions. [2022-11-21 17:08:57,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:08:57,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2022-11-21 17:08:57,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:08:57,550 INFO L225 Difference]: With dead ends: 3155 [2022-11-21 17:08:57,550 INFO L226 Difference]: Without dead ends: 2104 [2022-11-21 17:08:57,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:08:57,567 INFO L413 NwaCegarLoop]: 1973 mSDtfsCounter, 1448 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3425 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:08:57,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 3425 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:08:57,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2104 states. [2022-11-21 17:08:57,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2104 to 2101. [2022-11-21 17:08:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2101 states, 1474 states have (on average 1.2835820895522387) internal successors, (1892), 1485 states have internal predecessors, (1892), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-21 17:08:57,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 2101 states and 2922 transitions. [2022-11-21 17:08:57,689 INFO L78 Accepts]: Start accepts. Automaton has 2101 states and 2922 transitions. Word has length 29 [2022-11-21 17:08:57,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:08:57,690 INFO L495 AbstractCegarLoop]: Abstraction has 2101 states and 2922 transitions. [2022-11-21 17:08:57,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 17:08:57,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2922 transitions. [2022-11-21 17:08:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-21 17:08:57,700 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:08:57,700 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:08:57,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:57,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:57,918 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:08:57,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:08:57,919 INFO L85 PathProgramCache]: Analyzing trace with hash 2025144539, now seen corresponding path program 1 times [2022-11-21 17:08:57,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:08:57,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415308315] [2022-11-21 17:08:57,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:08:57,921 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 [2022-11-21 17:08:57,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:08:57,923 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:08:57,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:08:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:08:58,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-21 17:08:58,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:08:58,999 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:08:59,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:08:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:08:59,266 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:08:59,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [415308315] [2022-11-21 17:08:59,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [415308315] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:08:59,267 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:08:59,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-21 17:08:59,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110656860] [2022-11-21 17:08:59,267 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:08:59,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 17:08:59,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:08:59,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 17:08:59,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:08:59,269 INFO L87 Difference]: Start difference. First operand 2101 states and 2922 transitions. Second operand has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:09:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:00,032 INFO L93 Difference]: Finished difference Result 4202 states and 5849 transitions. [2022-11-21 17:09:00,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-21 17:09:00,035 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 49 [2022-11-21 17:09:00,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:00,045 INFO L225 Difference]: With dead ends: 4202 [2022-11-21 17:09:00,045 INFO L226 Difference]: Without dead ends: 2113 [2022-11-21 17:09:00,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2022-11-21 17:09:00,054 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 10 mSDsluCounter, 7340 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 8810 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:00,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 8810 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 17:09:00,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2022-11-21 17:09:00,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2113. [2022-11-21 17:09:00,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1486 states have (on average 1.2812920592193808) internal successors, (1904), 1497 states have internal predecessors, (1904), 516 states have call successors, (516), 111 states have call predecessors, (516), 110 states have return successors, (514), 514 states have call predecessors, (514), 514 states have call successors, (514) [2022-11-21 17:09:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2934 transitions. [2022-11-21 17:09:00,170 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2934 transitions. Word has length 49 [2022-11-21 17:09:00,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:00,171 INFO L495 AbstractCegarLoop]: Abstraction has 2113 states and 2934 transitions. [2022-11-21 17:09:00,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.833333333333333) internal successors, (58), 12 states have internal predecessors, (58), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:09:00,171 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2934 transitions. [2022-11-21 17:09:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-21 17:09:00,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:00,176 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:00,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:00,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:00,400 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:00,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:00,400 INFO L85 PathProgramCache]: Analyzing trace with hash 981484419, now seen corresponding path program 2 times [2022-11-21 17:09:00,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:00,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [281876057] [2022-11-21 17:09:00,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:09:00,401 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 [2022-11-21 17:09:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:00,402 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:00,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:01,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 17:09:01,342 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:09:01,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:09:01,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:01,449 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-11-21 17:09:01,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:01,450 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:01,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [281876057] [2022-11-21 17:09:01,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [281876057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:01,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:01,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:09:01,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653637201] [2022-11-21 17:09:01,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:01,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:09:01,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:01,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:09:01,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:09:01,452 INFO L87 Difference]: Start difference. First operand 2113 states and 2934 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:09:02,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:02,866 INFO L93 Difference]: Finished difference Result 6077 states and 8738 transitions. [2022-11-21 17:09:02,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:09:02,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 61 [2022-11-21 17:09:02,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:02,890 INFO L225 Difference]: With dead ends: 6077 [2022-11-21 17:09:02,891 INFO L226 Difference]: Without dead ends: 3995 [2022-11-21 17:09:02,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:09:02,900 INFO L413 NwaCegarLoop]: 2746 mSDtfsCounter, 2190 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 9169 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:02,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 9169 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 17:09:02,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3995 states. [2022-11-21 17:09:03,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3995 to 2047. [2022-11-21 17:09:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2047 states, 1445 states have (on average 1.2816608996539793) internal successors, (1852), 1455 states have internal predecessors, (1852), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-21 17:09:03,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 2047 states and 2832 transitions. [2022-11-21 17:09:03,114 INFO L78 Accepts]: Start accepts. Automaton has 2047 states and 2832 transitions. Word has length 61 [2022-11-21 17:09:03,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:03,116 INFO L495 AbstractCegarLoop]: Abstraction has 2047 states and 2832 transitions. [2022-11-21 17:09:03,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:09:03,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 2832 transitions. [2022-11-21 17:09:03,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-21 17:09:03,118 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:03,118 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:03,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:03,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:03,332 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:03,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:03,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1812840541, now seen corresponding path program 1 times [2022-11-21 17:09:03,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:03,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44004707] [2022-11-21 17:09:03,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:03,334 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 [2022-11-21 17:09:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:03,336 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:03,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (7)] Waiting until timeout for monitored process [2022-11-21 17:09:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:04,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-21 17:09:04,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:09:04,659 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:09:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:09:05,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:05,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44004707] [2022-11-21 17:09:05,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44004707] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:09:05,562 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:09:05,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2022-11-21 17:09:05,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019706596] [2022-11-21 17:09:05,563 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:09:05,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-21 17:09:05,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:05,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-21 17:09:05,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2022-11-21 17:09:05,567 INFO L87 Difference]: Start difference. First operand 2047 states and 2832 transitions. Second operand has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:09:08,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:08,174 INFO L93 Difference]: Finished difference Result 4094 states and 5675 transitions. [2022-11-21 17:09:08,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-21 17:09:08,175 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 63 [2022-11-21 17:09:08,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:08,185 INFO L225 Difference]: With dead ends: 4094 [2022-11-21 17:09:08,185 INFO L226 Difference]: Without dead ends: 2071 [2022-11-21 17:09:08,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 17:09:08,192 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 23 mSDsluCounter, 19084 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 20554 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:08,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 20554 Invalid, 309 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 17:09:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2022-11-21 17:09:08,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2071. [2022-11-21 17:09:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1469 states have (on average 1.2770592239618788) internal successors, (1876), 1479 states have internal predecessors, (1876), 491 states have call successors, (491), 111 states have call predecessors, (491), 110 states have return successors, (489), 489 states have call predecessors, (489), 489 states have call successors, (489) [2022-11-21 17:09:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2856 transitions. [2022-11-21 17:09:08,310 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2856 transitions. Word has length 63 [2022-11-21 17:09:08,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:08,311 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2856 transitions. [2022-11-21 17:09:08,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.5) internal successors, (84), 24 states have internal predecessors, (84), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-21 17:09:08,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2856 transitions. [2022-11-21 17:09:08,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-21 17:09:08,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:08,314 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:08,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:08,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:08,531 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:08,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:08,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1724546477, now seen corresponding path program 2 times [2022-11-21 17:09:08,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:08,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083102332] [2022-11-21 17:09:08,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:09:08,533 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 [2022-11-21 17:09:08,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:08,534 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:08,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (8)] Waiting until timeout for monitored process [2022-11-21 17:09:09,480 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 17:09:09,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:09:09,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 860 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:09:09,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:10,005 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2022-11-21 17:09:10,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:10,005 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:10,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083102332] [2022-11-21 17:09:10,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083102332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:10,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:10,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:09:10,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109073043] [2022-11-21 17:09:10,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:10,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:09:10,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:10,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:09:10,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:09:10,007 INFO L87 Difference]: Start difference. First operand 2071 states and 2856 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:09:15,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:15,687 INFO L93 Difference]: Finished difference Result 5144 states and 7129 transitions. [2022-11-21 17:09:15,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:09:15,691 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 87 [2022-11-21 17:09:15,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:15,712 INFO L225 Difference]: With dead ends: 5144 [2022-11-21 17:09:15,712 INFO L226 Difference]: Without dead ends: 4090 [2022-11-21 17:09:15,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:09:15,717 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 2777 mSDsluCounter, 2633 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 5706 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:15,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 5706 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-21 17:09:15,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2022-11-21 17:09:15,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 4078. [2022-11-21 17:09:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2879 states have (on average 1.2820423758249393) internal successors, (3691), 2897 states have internal predecessors, (3691), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-21 17:09:15,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 5647 transitions. [2022-11-21 17:09:15,975 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 5647 transitions. Word has length 87 [2022-11-21 17:09:15,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:15,975 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 5647 transitions. [2022-11-21 17:09:15,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-21 17:09:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 5647 transitions. [2022-11-21 17:09:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-21 17:09:15,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:15,978 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:16,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:16,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:16,195 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:16,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:16,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2143028962, now seen corresponding path program 1 times [2022-11-21 17:09:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:16,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884659900] [2022-11-21 17:09:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:16,196 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 [2022-11-21 17:09:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:16,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:16,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (9)] Waiting until timeout for monitored process [2022-11-21 17:09:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:17,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-21 17:09:17,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:09:18,497 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:09:21,236 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:09:21,237 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:21,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884659900] [2022-11-21 17:09:21,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884659900] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:09:21,237 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:09:21,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 48 [2022-11-21 17:09:21,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324432095] [2022-11-21 17:09:21,237 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:09:21,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-21 17:09:21,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:21,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-21 17:09:21,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=1725, Unknown=0, NotChecked=0, Total=2256 [2022-11-21 17:09:21,239 INFO L87 Difference]: Start difference. First operand 4078 states and 5647 transitions. Second operand has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-21 17:09:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:26,462 INFO L93 Difference]: Finished difference Result 8128 states and 11275 transitions. [2022-11-21 17:09:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-21 17:09:26,463 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 91 [2022-11-21 17:09:26,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:26,521 INFO L225 Difference]: With dead ends: 8128 [2022-11-21 17:09:26,522 INFO L226 Difference]: Without dead ends: 4098 [2022-11-21 17:09:26,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=803, Invalid=2277, Unknown=0, NotChecked=0, Total=3080 [2022-11-21 17:09:26,532 INFO L413 NwaCegarLoop]: 1470 mSDtfsCounter, 33 mSDsluCounter, 35232 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 36702 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:26,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 36702 Invalid, 978 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [32 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-21 17:09:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2022-11-21 17:09:26,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2022-11-21 17:09:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 2899 states have (on average 1.2800965850293204) internal successors, (3711), 2917 states have internal predecessors, (3711), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-21 17:09:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5667 transitions. [2022-11-21 17:09:26,781 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5667 transitions. Word has length 91 [2022-11-21 17:09:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:26,782 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 5667 transitions. [2022-11-21 17:09:26,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 2.8541666666666665) internal successors, (137), 48 states have internal predecessors, (137), 1 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-21 17:09:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5667 transitions. [2022-11-21 17:09:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-21 17:09:26,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:26,792 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:26,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:27,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:27,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:27,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:27,007 INFO L85 PathProgramCache]: Analyzing trace with hash -457110534, now seen corresponding path program 2 times [2022-11-21 17:09:27,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:27,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181943436] [2022-11-21 17:09:27,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:09:27,008 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 [2022-11-21 17:09:27,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:27,009 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:27,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (10)] Waiting until timeout for monitored process [2022-11-21 17:09:27,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 17:09:27,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:09:27,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 17:09:27,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:09:28,018 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:28,018 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:28,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181943436] [2022-11-21 17:09:28,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181943436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:28,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:28,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:09:28,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295379070] [2022-11-21 17:09:28,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:28,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:09:28,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:28,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:09:28,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:09:28,021 INFO L87 Difference]: Start difference. First operand 4098 states and 5667 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 17:09:29,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:29,486 INFO L93 Difference]: Finished difference Result 9102 states and 12925 transitions. [2022-11-21 17:09:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:09:29,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 111 [2022-11-21 17:09:29,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:29,539 INFO L225 Difference]: With dead ends: 9102 [2022-11-21 17:09:29,539 INFO L226 Difference]: Without dead ends: 6045 [2022-11-21 17:09:29,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:09:29,552 INFO L413 NwaCegarLoop]: 2196 mSDtfsCounter, 2018 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2018 SdHoareTripleChecker+Valid, 6729 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:29,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2018 Valid, 6729 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 17:09:29,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6045 states. [2022-11-21 17:09:29,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6045 to 4098. [2022-11-21 17:09:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4098 states, 2899 states have (on average 1.2794066919627458) internal successors, (3709), 2917 states have internal predecessors, (3709), 978 states have call successors, (978), 221 states have call predecessors, (978), 220 states have return successors, (978), 977 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-21 17:09:29,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 5665 transitions. [2022-11-21 17:09:29,907 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 5665 transitions. Word has length 111 [2022-11-21 17:09:29,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:29,908 INFO L495 AbstractCegarLoop]: Abstraction has 4098 states and 5665 transitions. [2022-11-21 17:09:29,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 17:09:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 5665 transitions. [2022-11-21 17:09:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-21 17:09:29,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:29,911 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:29,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:30,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:30,136 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:30,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:30,137 INFO L85 PathProgramCache]: Analyzing trace with hash -199241997, now seen corresponding path program 1 times [2022-11-21 17:09:30,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:30,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [671285146] [2022-11-21 17:09:30,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:30,138 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 [2022-11-21 17:09:30,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:30,140 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:30,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (11)] Waiting until timeout for monitored process [2022-11-21 17:09:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:31,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-21 17:09:31,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:09:31,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:31,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:31,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [671285146] [2022-11-21 17:09:31,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [671285146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:31,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:31,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:09:31,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218840587] [2022-11-21 17:09:31,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:31,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:09:31,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:31,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:09:31,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:09:31,694 INFO L87 Difference]: Start difference. First operand 4098 states and 5665 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 17:09:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:48,851 INFO L93 Difference]: Finished difference Result 11841 states and 16824 transitions. [2022-11-21 17:09:48,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 17:09:48,853 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 120 [2022-11-21 17:09:48,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:48,884 INFO L225 Difference]: With dead ends: 11841 [2022-11-21 17:09:48,885 INFO L226 Difference]: Without dead ends: 7818 [2022-11-21 17:09:48,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:09:48,899 INFO L413 NwaCegarLoop]: 3309 mSDtfsCounter, 3164 mSDsluCounter, 12380 mSDsCounter, 0 mSdLazyCounter, 2543 mSolverCounterSat, 925 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 15689 SdHoareTripleChecker+Invalid, 3468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 2543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:48,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3358 Valid, 15689 Invalid, 3468 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [925 Valid, 2543 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2022-11-21 17:09:48,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7818 states. [2022-11-21 17:09:49,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7818 to 4099. [2022-11-21 17:09:49,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4099 states, 2898 states have (on average 1.2781228433402347) internal successors, (3704), 2919 states have internal predecessors, (3704), 978 states have call successors, (978), 221 states have call predecessors, (978), 222 states have return successors, (978), 976 states have call predecessors, (978), 976 states have call successors, (978) [2022-11-21 17:09:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 4099 states and 5660 transitions. [2022-11-21 17:09:49,564 INFO L78 Accepts]: Start accepts. Automaton has 4099 states and 5660 transitions. Word has length 120 [2022-11-21 17:09:49,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:49,565 INFO L495 AbstractCegarLoop]: Abstraction has 4099 states and 5660 transitions. [2022-11-21 17:09:49,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-21 17:09:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 4099 states and 5660 transitions. [2022-11-21 17:09:49,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-21 17:09:49,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:49,570 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-21 17:09:49,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (11)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:49,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:49,795 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:49,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:49,795 INFO L85 PathProgramCache]: Analyzing trace with hash -226816085, now seen corresponding path program 1 times [2022-11-21 17:09:49,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:49,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137718526] [2022-11-21 17:09:49,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:49,797 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 [2022-11-21 17:09:49,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:49,799 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:49,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (12)] Waiting until timeout for monitored process [2022-11-21 17:09:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:50,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:09:50,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:51,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-21 17:09:51,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:51,250 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:51,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137718526] [2022-11-21 17:09:51,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137718526] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:51,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:51,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 17:09:51,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465663057] [2022-11-21 17:09:51,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:51,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:09:51,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:51,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:09:51,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:09:51,252 INFO L87 Difference]: Start difference. First operand 4099 states and 5660 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 17:09:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:52,120 INFO L93 Difference]: Finished difference Result 10581 states and 15034 transitions. [2022-11-21 17:09:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:09:52,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 132 [2022-11-21 17:09:52,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:52,144 INFO L225 Difference]: With dead ends: 10581 [2022-11-21 17:09:52,144 INFO L226 Difference]: Without dead ends: 6557 [2022-11-21 17:09:52,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:09:52,157 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 650 mSDsluCounter, 1461 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 3620 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:52,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 3620 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:09:52,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6557 states. [2022-11-21 17:09:53,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6557 to 6551. [2022-11-21 17:09:53,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6551 states, 4626 states have (on average 1.3035019455252919) internal successors, (6030), 4651 states have internal predecessors, (6030), 1702 states have call successors, (1702), 221 states have call predecessors, (1702), 222 states have return successors, (1702), 1700 states have call predecessors, (1702), 1700 states have call successors, (1702) [2022-11-21 17:09:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6551 states to 6551 states and 9434 transitions. [2022-11-21 17:09:53,204 INFO L78 Accepts]: Start accepts. Automaton has 6551 states and 9434 transitions. Word has length 132 [2022-11-21 17:09:53,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:53,205 INFO L495 AbstractCegarLoop]: Abstraction has 6551 states and 9434 transitions. [2022-11-21 17:09:53,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-21 17:09:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 6551 states and 9434 transitions. [2022-11-21 17:09:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-21 17:09:53,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:53,212 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:09:53,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (12)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:53,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:53,435 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:53,436 INFO L85 PathProgramCache]: Analyzing trace with hash 73355820, now seen corresponding path program 1 times [2022-11-21 17:09:53,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:53,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682173747] [2022-11-21 17:09:53,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:53,437 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 [2022-11-21 17:09:53,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:53,438 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:53,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (13)] Waiting until timeout for monitored process [2022-11-21 17:09:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:54,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:09:54,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:54,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:09:54,596 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:09:54,596 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:09:54,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682173747] [2022-11-21 17:09:54,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682173747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:09:54,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:09:54,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:09:54,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847303039] [2022-11-21 17:09:54,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:09:54,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:09:54,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:09:54,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:09:54,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:09:54,599 INFO L87 Difference]: Start difference. First operand 6551 states and 9434 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 17:09:56,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:09:56,467 INFO L93 Difference]: Finished difference Result 9872 states and 14531 transitions. [2022-11-21 17:09:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:09:56,469 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2022-11-21 17:09:56,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:09:56,506 INFO L225 Difference]: With dead ends: 9872 [2022-11-21 17:09:56,507 INFO L226 Difference]: Without dead ends: 9864 [2022-11-21 17:09:56,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:09:56,512 INFO L413 NwaCegarLoop]: 2554 mSDtfsCounter, 1293 mSDsluCounter, 3440 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:09:56,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 5994 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-21 17:09:56,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9864 states. [2022-11-21 17:09:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9864 to 6557. [2022-11-21 17:09:57,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6557 states, 4630 states have (on average 1.3032397408207343) internal successors, (6034), 4655 states have internal predecessors, (6034), 1704 states have call successors, (1704), 221 states have call predecessors, (1704), 222 states have return successors, (1704), 1702 states have call predecessors, (1704), 1702 states have call successors, (1704) [2022-11-21 17:09:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6557 states to 6557 states and 9442 transitions. [2022-11-21 17:09:57,676 INFO L78 Accepts]: Start accepts. Automaton has 6557 states and 9442 transitions. Word has length 130 [2022-11-21 17:09:57,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:09:57,676 INFO L495 AbstractCegarLoop]: Abstraction has 6557 states and 9442 transitions. [2022-11-21 17:09:57,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-21 17:09:57,677 INFO L276 IsEmpty]: Start isEmpty. Operand 6557 states and 9442 transitions. [2022-11-21 17:09:57,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-21 17:09:57,683 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:09:57,683 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-21 17:09:57,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (13)] Forceful destruction successful, exit code 0 [2022-11-21 17:09:57,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:09:57,907 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:09:57,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:09:57,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1802794400, now seen corresponding path program 1 times [2022-11-21 17:09:57,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:09:57,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916596981] [2022-11-21 17:09:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:09:57,909 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 [2022-11-21 17:09:57,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:09:57,911 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:09:57,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (14)] Waiting until timeout for monitored process [2022-11-21 17:09:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:09:59,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:09:59,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:09:59,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:09:59,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:10:00,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2022-11-21 17:10:00,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:10:00,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916596981] [2022-11-21 17:10:00,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916596981] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:10:00,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:10:00,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-21 17:10:00,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172504137] [2022-11-21 17:10:00,287 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:10:00,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:10:00,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:10:00,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:10:00,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:10:00,289 INFO L87 Difference]: Start difference. First operand 6557 states and 9442 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-21 17:10:03,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:10:03,707 INFO L93 Difference]: Finished difference Result 13045 states and 18812 transitions. [2022-11-21 17:10:03,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:10:03,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 134 [2022-11-21 17:10:03,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:10:03,735 INFO L225 Difference]: With dead ends: 13045 [2022-11-21 17:10:03,736 INFO L226 Difference]: Without dead ends: 6563 [2022-11-21 17:10:03,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:10:03,756 INFO L413 NwaCegarLoop]: 2412 mSDtfsCounter, 2484 mSDsluCounter, 3411 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 402 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2881 SdHoareTripleChecker+Valid, 5823 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 402 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:10:03,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2881 Valid, 5823 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [402 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-21 17:10:03,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6563 states. [2022-11-21 17:10:04,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6563 to 6557. [2022-11-21 17:10:04,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6557 states, 4630 states have (on average 1.3006479481641469) internal successors, (6022), 4655 states have internal predecessors, (6022), 1704 states have call successors, (1704), 221 states have call predecessors, (1704), 222 states have return successors, (1704), 1702 states have call predecessors, (1704), 1702 states have call successors, (1704) [2022-11-21 17:10:05,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6557 states to 6557 states and 9430 transitions. [2022-11-21 17:10:05,008 INFO L78 Accepts]: Start accepts. Automaton has 6557 states and 9430 transitions. Word has length 134 [2022-11-21 17:10:05,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:10:05,009 INFO L495 AbstractCegarLoop]: Abstraction has 6557 states and 9430 transitions. [2022-11-21 17:10:05,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-21 17:10:05,009 INFO L276 IsEmpty]: Start isEmpty. Operand 6557 states and 9430 transitions. [2022-11-21 17:10:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-21 17:10:05,018 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:10:05,019 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:10:05,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (14)] Forceful destruction successful, exit code 0 [2022-11-21 17:10:05,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:10:05,243 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:10:05,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:10:05,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1518481568, now seen corresponding path program 1 times [2022-11-21 17:10:05,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:10:05,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939588413] [2022-11-21 17:10:05,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:10:05,245 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 [2022-11-21 17:10:05,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:10:05,250 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:10:05,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (15)] Waiting until timeout for monitored process [2022-11-21 17:10:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:06,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-21 17:10:06,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:10:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1043 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2022-11-21 17:10:06,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:10:06,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:10:06,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939588413] [2022-11-21 17:10:06,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939588413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:10:06,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:10:06,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:10:06,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552694576] [2022-11-21 17:10:06,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:10:06,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:10:06,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:10:06,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:10:06,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:10:06,669 INFO L87 Difference]: Start difference. First operand 6557 states and 9430 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-21 17:10:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:10:07,379 INFO L93 Difference]: Finished difference Result 12389 states and 17789 transitions. [2022-11-21 17:10:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:10:07,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 153 [2022-11-21 17:10:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:10:07,398 INFO L225 Difference]: With dead ends: 12389 [2022-11-21 17:10:07,398 INFO L226 Difference]: Without dead ends: 5895 [2022-11-21 17:10:07,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:10:07,416 INFO L413 NwaCegarLoop]: 1478 mSDtfsCounter, 13 mSDsluCounter, 2935 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4413 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 17:10:07,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4413 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:10:07,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5895 states. [2022-11-21 17:10:08,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5895 to 5886. [2022-11-21 17:10:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5886 states, 4157 states have (on average 1.2966081308636035) internal successors, (5390), 4180 states have internal predecessors, (5390), 1510 states have call successors, (1510), 217 states have call predecessors, (1510), 218 states have return successors, (1510), 1506 states have call predecessors, (1510), 1508 states have call successors, (1510) [2022-11-21 17:10:08,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5886 states to 5886 states and 8410 transitions. [2022-11-21 17:10:08,173 INFO L78 Accepts]: Start accepts. Automaton has 5886 states and 8410 transitions. Word has length 153 [2022-11-21 17:10:08,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:10:08,173 INFO L495 AbstractCegarLoop]: Abstraction has 5886 states and 8410 transitions. [2022-11-21 17:10:08,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-21 17:10:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 5886 states and 8410 transitions. [2022-11-21 17:10:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-11-21 17:10:08,179 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:10:08,180 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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] [2022-11-21 17:10:08,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (15)] Forceful destruction successful, exit code 0 [2022-11-21 17:10:08,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:10:08,403 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:10:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:10:08,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2121096315, now seen corresponding path program 1 times [2022-11-21 17:10:08,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:10:08,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [237261989] [2022-11-21 17:10:08,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:10:08,405 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 [2022-11-21 17:10:08,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:10:08,407 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:10:08,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (16)] Waiting until timeout for monitored process [2022-11-21 17:10:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:10:09,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 1309 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 17:10:09,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:10:10,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-11-21 17:10:10,147 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:10:10,147 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:10:10,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [237261989] [2022-11-21 17:10:10,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [237261989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:10:10,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:10:10,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 17:10:10,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504506387] [2022-11-21 17:10:10,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:10:10,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 17:10:10,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:10:10,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 17:10:10,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:10:10,156 INFO L87 Difference]: Start difference. First operand 5886 states and 8410 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 17:10:10,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:10:10,740 INFO L93 Difference]: Finished difference Result 11676 states and 16707 transitions. [2022-11-21 17:10:10,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 17:10:10,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 150 [2022-11-21 17:10:10,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:10:10,766 INFO L225 Difference]: With dead ends: 11676 [2022-11-21 17:10:10,767 INFO L226 Difference]: Without dead ends: 5865 [2022-11-21 17:10:10,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 17:10:10,784 INFO L413 NwaCegarLoop]: 1464 mSDtfsCounter, 1397 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1397 SdHoareTripleChecker+Valid, 1464 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 [2022-11-21 17:10:10,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1397 Valid, 1464 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 17:10:10,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2022-11-21 17:10:12,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 5865. [2022-11-21 17:10:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5865 states, 4136 states have (on average 1.293036750483559) internal successors, (5348), 4159 states have internal predecessors, (5348), 1510 states have call successors, (1510), 217 states have call predecessors, (1510), 218 states have return successors, (1510), 1506 states have call predecessors, (1510), 1508 states have call successors, (1510) [2022-11-21 17:10:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5865 states to 5865 states and 8368 transitions. [2022-11-21 17:10:12,120 INFO L78 Accepts]: Start accepts. Automaton has 5865 states and 8368 transitions. Word has length 150 [2022-11-21 17:10:12,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:10:12,120 INFO L495 AbstractCegarLoop]: Abstraction has 5865 states and 8368 transitions. [2022-11-21 17:10:12,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 17:10:12,121 INFO L276 IsEmpty]: Start isEmpty. Operand 5865 states and 8368 transitions. [2022-11-21 17:10:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-21 17:10:12,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:10:12,129 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:10:12,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (16)] Forceful destruction successful, exit code 0 [2022-11-21 17:10:12,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:10:12,353 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:10:12,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:10:12,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1838241346, now seen corresponding path program 1 times [2022-11-21 17:10:12,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:10:12,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [797890281] [2022-11-21 17:10:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:10:12,354 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 [2022-11-21 17:10:12,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:10:12,355 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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) [2022-11-21 17:10:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (17)] Waiting until timeout for monitored process [2022-11-21 17:10:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:10:32,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:10:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:10:50,260 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-21 17:10:50,260 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:10:50,261 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:10:50,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 (17)] Forceful destruction successful, exit code 0 [2022-11-21 17:10:50,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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 [2022-11-21 17:10:50,487 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:10:50,490 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:10:50,662 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Expected only CPrimitive but got *CHAR at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBitvecLiteral(CACSL2BoogieBacktranslator.java:1212) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1021) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:658) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:633) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.handleCASTFunctionCallExpression(CACSL2BoogieBacktranslator.java:490) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:267) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:217) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 17:10:50,679 INFO L158 Benchmark]: Toolchain (without parser) took 147911.87ms. Allocated memory was 73.4MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 40.0MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-21 17:10:50,679 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:10:50,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3227.97ms. Allocated memory was 73.4MB in the beginning and 151.0MB in the end (delta: 77.6MB). Free memory was 39.7MB in the beginning and 53.4MB in the end (delta: -13.6MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2022-11-21 17:10:50,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 313.24ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 53.4MB in the beginning and 158.1MB in the end (delta: -104.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-11-21 17:10:50,680 INFO L158 Benchmark]: Boogie Preprocessor took 273.16ms. Allocated memory is still 226.5MB. Free memory was 158.1MB in the beginning and 137.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 17:10:50,680 INFO L158 Benchmark]: RCFGBuilder took 25760.13ms. Allocated memory was 226.5MB in the beginning and 354.4MB in the end (delta: 127.9MB). Free memory was 137.1MB in the beginning and 240.1MB in the end (delta: -102.9MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. [2022-11-21 17:10:50,681 INFO L158 Benchmark]: TraceAbstraction took 118327.45ms. Allocated memory was 354.4MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 239.0MB in the beginning and 1.1GB in the end (delta: -826.6MB). Peak memory consumption was 994.8MB. Max. memory is 16.1GB. [2022-11-21 17:10:50,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 73.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3227.97ms. Allocated memory was 73.4MB in the beginning and 151.0MB in the end (delta: 77.6MB). Free memory was 39.7MB in the beginning and 53.4MB in the end (delta: -13.6MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 313.24ms. Allocated memory was 151.0MB in the beginning and 226.5MB in the end (delta: 75.5MB). Free memory was 53.4MB in the beginning and 158.1MB in the end (delta: -104.7MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 273.16ms. Allocated memory is still 226.5MB. Free memory was 158.1MB in the beginning and 137.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 25760.13ms. Allocated memory was 226.5MB in the beginning and 354.4MB in the end (delta: 127.9MB). Free memory was 137.1MB in the beginning and 240.1MB in the end (delta: -102.9MB). Peak memory consumption was 112.0MB. Max. memory is 16.1GB. * TraceAbstraction took 118327.45ms. Allocated memory was 354.4MB in the beginning and 2.2GB in the end (delta: 1.8GB). Free memory was 239.0MB in the beginning and 1.1GB in the end (delta: -826.6MB). Peak memory consumption was 994.8MB. 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 - ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *CHAR de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Expected only CPrimitive but got *CHAR: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 17:10:50,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91df0542-8eed-4258-9d3c-8b96b90d39ae/bin/uautomizer-vX5HgA9Q3a/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: ERROR: ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *CHAR