./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/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_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/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_b64d2132-2526-4158-9b2b-2183595ee5c8/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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- 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 17:27:01,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:27:01,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:27:01,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:27:01,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:27:01,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:27:01,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:27:01,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:27:01,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:27:01,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:27:01,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:27:01,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:27:01,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:27:01,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:27:01,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:27:01,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:27:01,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:27:01,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:27:01,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:27:01,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:27:01,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:27:01,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:27:01,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:27:01,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:27:01,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:27:01,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:27:01,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:27:01,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:27:01,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:27:01,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:27:01,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:27:01,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:27:01,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:27:01,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:27:01,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:27:01,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:27:01,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:27:01,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:27:01,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:27:01,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:27:01,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:27:01,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:27:01,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:27:01,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:27:01,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:27:01,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:27:01,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:27:01,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:27:01,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:27:01,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:27:01,609 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:27:01,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:27:01,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:27:01,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:27:01,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:27:01,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:27:01,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:27:01,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:27:01,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:27:01,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:27:01,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:27:01,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:27:01,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:27:01,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:27:01,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:27:01,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:27:01,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:27:01,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:27:01,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:27:01,615 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:27:01,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:27:01,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:27:01,617 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_b64d2132-2526-4158-9b2b-2183595ee5c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2022-11-21 17:27:01,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:27:02,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:27:02,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:27:02,010 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:27:02,010 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:27:02,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-21 17:27:05,238 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:27:05,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:27:05,723 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-21 17:27:05,764 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data/381c58eea/f84cec4e901240dbb9b8fed621f90c9c/FLAG49d259826 [2022-11-21 17:27:05,786 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data/381c58eea/f84cec4e901240dbb9b8fed621f90c9c [2022-11-21 17:27:05,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:27:05,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:27:05,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:05,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:27:05,799 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:27:05,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:05" (1/1) ... [2022-11-21 17:27:05,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f354520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:05, skipping insertion in model container [2022-11-21 17:27:05,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:27:05" (1/1) ... [2022-11-21 17:27:05,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:27:05,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:27:07,166 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_b64d2132-2526-4158-9b2b-2183595ee5c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-21 17:27:07,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:07,219 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:27:07,820 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_b64d2132-2526-4158-9b2b-2183595ee5c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2022-11-21 17:27:07,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:27:07,962 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:27:07,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07 WrapperNode [2022-11-21 17:27:07,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:27:07,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:27:07,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:27:07,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:27:07,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,118 INFO L138 Inliner]: procedures = 151, calls = 793, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1744 [2022-11-21 17:27:08,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:27:08,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:27:08,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:27:08,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:27:08,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:27:08,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:27:08,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:27:08,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:27:08,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (1/1) ... [2022-11-21 17:27:08,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:27:08,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:08,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:27:08,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:27:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2022-11-21 17:27:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2022-11-21 17:27:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2022-11-21 17:27:08,435 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2022-11-21 17:27:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 17:27:08,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 17:27:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 17:27:08,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 17:27:08,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 17:27:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:27:08,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 17:27:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 17:27:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2022-11-21 17:27:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2022-11-21 17:27:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2022-11-21 17:27:08,438 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2022-11-21 17:27:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 17:27:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 17:27:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 17:27:08,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 17:27:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 17:27:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 17:27:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 17:27:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 17:27:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 17:27:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 17:27:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-11-21 17:27:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-11-21 17:27:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:27:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 17:27:08,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 17:27:08,441 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 17:27:08,442 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 17:27:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-11-21 17:27:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-11-21 17:27:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 17:27:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 17:27:08,444 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2022-11-21 17:27:08,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2022-11-21 17:27:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 17:27:08,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 17:27:08,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 17:27:08,445 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 17:27:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 17:27:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 17:27:08,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 17:27:08,446 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-21 17:27:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-21 17:27:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2022-11-21 17:27:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2022-11-21 17:27:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:27:08,447 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2022-11-21 17:27:08,447 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2022-11-21 17:27:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-21 17:27:08,448 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-21 17:27:08,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 17:27:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 17:27:08,449 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2022-11-21 17:27:08,450 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2022-11-21 17:27:08,450 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 17:27:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 17:27:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2022-11-21 17:27:08,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2022-11-21 17:27:08,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 17:27:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2022-11-21 17:27:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2022-11-21 17:27:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-21 17:27:08,452 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-21 17:27:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 17:27:08,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 17:27:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2022-11-21 17:27:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2022-11-21 17:27:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 17:27:08,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 17:27:08,453 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2022-11-21 17:27:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2022-11-21 17:27:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 17:27:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 17:27:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:27:08,454 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2022-11-21 17:27:08,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2022-11-21 17:27:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 17:27:08,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:27:08,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:27:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2022-11-21 17:27:08,456 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2022-11-21 17:27:08,456 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2022-11-21 17:27:08,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2022-11-21 17:27:09,084 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:27:09,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:27:09,337 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 17:27:10,800 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:27:10,823 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:27:10,823 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 17:27:10,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:27:10 BoogieIcfgContainer [2022-11-21 17:27:10,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:27:10,832 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:27:10,832 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:27:10,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:27:10,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:27:05" (1/3) ... [2022-11-21 17:27:10,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a51eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:27:10, skipping insertion in model container [2022-11-21 17:27:10,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:27:07" (2/3) ... [2022-11-21 17:27:10,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a51eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:27:10, skipping insertion in model container [2022-11-21 17:27:10,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:27:10" (3/3) ... [2022-11-21 17:27:10,843 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-21 17:27:10,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:27:10,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:27:10,943 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:27:10,951 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;@5eaf9d6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:27:10,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:27:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 566 states, 397 states have (on average 1.314861460957179) internal successors, (522), 408 states have internal predecessors, (522), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2022-11-21 17:27:10,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-21 17:27:10,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:10,995 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:10,996 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:11,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:11,006 INFO L85 PathProgramCache]: Analyzing trace with hash 838103873, now seen corresponding path program 1 times [2022-11-21 17:27:11,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:11,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744442184] [2022-11-21 17:27:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 17:27:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:27:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:11,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:27:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:27:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 17:27:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:27:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:27:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:27:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-21 17:27:12,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:12,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744442184] [2022-11-21 17:27:12,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744442184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:27:12,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:27:12,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 17:27:12,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322476819] [2022-11-21 17:27:12,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:27:12,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:27:12,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:12,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:27:12,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 17:27:12,311 INFO L87 Difference]: Start difference. First operand has 566 states, 397 states have (on average 1.314861460957179) internal successors, (522), 408 states have internal predecessors, (522), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 17:27:14,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:14,180 INFO L93 Difference]: Finished difference Result 1155 states and 1663 transitions. [2022-11-21 17:27:14,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:27:14,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 184 [2022-11-21 17:27:14,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:14,201 INFO L225 Difference]: With dead ends: 1155 [2022-11-21 17:27:14,201 INFO L226 Difference]: Without dead ends: 583 [2022-11-21 17:27:14,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:27:14,213 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 166 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:14,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 1890 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-21 17:27:14,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2022-11-21 17:27:14,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 555. [2022-11-21 17:27:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 392 states have (on average 1.3010204081632653) internal successors, (510), 397 states have internal predecessors, (510), 128 states have call successors, (128), 35 states have call predecessors, (128), 34 states have return successors, (126), 125 states have call predecessors, (126), 126 states have call successors, (126) [2022-11-21 17:27:14,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 764 transitions. [2022-11-21 17:27:14,333 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 764 transitions. Word has length 184 [2022-11-21 17:27:14,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:14,334 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 764 transitions. [2022-11-21 17:27:14,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-21 17:27:14,334 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 764 transitions. [2022-11-21 17:27:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-11-21 17:27:14,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:14,340 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:14,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:27:14,341 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:14,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:14,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1554345543, now seen corresponding path program 1 times [2022-11-21 17:27:14,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:14,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217425305] [2022-11-21 17:27:14,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:14,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 17:27:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:27:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:27:14,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:27:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 17:27:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:27:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:27:15,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:27:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:15,155 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-21 17:27:15,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:15,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217425305] [2022-11-21 17:27:15,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217425305] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:27:15,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:27:15,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:27:15,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425627315] [2022-11-21 17:27:15,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:27:15,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:27:15,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:15,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:27:15,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:27:15,161 INFO L87 Difference]: Start difference. First operand 555 states and 764 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-21 17:27:17,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:17,841 INFO L93 Difference]: Finished difference Result 1620 states and 2306 transitions. [2022-11-21 17:27:17,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:27:17,843 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 184 [2022-11-21 17:27:17,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:17,859 INFO L225 Difference]: With dead ends: 1620 [2022-11-21 17:27:17,859 INFO L226 Difference]: Without dead ends: 1101 [2022-11-21 17:27:17,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:27:17,864 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 956 mSDsluCounter, 1887 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 493 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 493 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:17,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 2672 Invalid, 1574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [493 Valid, 1081 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-21 17:27:17,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-11-21 17:27:17,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1045. [2022-11-21 17:27:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 745 states have (on average 1.3114093959731543) internal successors, (977), 754 states have internal predecessors, (977), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2022-11-21 17:27:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1443 transitions. [2022-11-21 17:27:17,974 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1443 transitions. Word has length 184 [2022-11-21 17:27:17,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:17,976 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1443 transitions. [2022-11-21 17:27:17,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-21 17:27:17,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1443 transitions. [2022-11-21 17:27:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-21 17:27:17,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:17,980 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:27:17,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 17:27:17,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:17,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:17,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1970427575, now seen corresponding path program 1 times [2022-11-21 17:27:17,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:17,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045465895] [2022-11-21 17:27:17,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:17,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 17:27:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:27:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:27:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:27:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 17:27:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:27:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:27:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:27:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-11-21 17:27:18,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:18,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045465895] [2022-11-21 17:27:18,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045465895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:27:18,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:27:18,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 17:27:18,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233230991] [2022-11-21 17:27:18,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:27:18,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 17:27:18,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:18,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 17:27:18,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:27:18,702 INFO L87 Difference]: Start difference. First operand 1045 states and 1443 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-21 17:27:20,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:20,707 INFO L93 Difference]: Finished difference Result 2106 states and 2978 transitions. [2022-11-21 17:27:20,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:27:20,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 187 [2022-11-21 17:27:20,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:20,716 INFO L225 Difference]: With dead ends: 2106 [2022-11-21 17:27:20,716 INFO L226 Difference]: Without dead ends: 1097 [2022-11-21 17:27:20,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:27:20,721 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 1354 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 2400 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 582 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:20,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 2400 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [582 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-21 17:27:20,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2022-11-21 17:27:20,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 1044. [2022-11-21 17:27:20,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 744 states have (on average 1.3077956989247312) internal successors, (973), 753 states have internal predecessors, (973), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2022-11-21 17:27:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1439 transitions. [2022-11-21 17:27:20,805 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1439 transitions. Word has length 187 [2022-11-21 17:27:20,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:20,806 INFO L495 AbstractCegarLoop]: Abstraction has 1044 states and 1439 transitions. [2022-11-21 17:27:20,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-21 17:27:20,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1439 transitions. [2022-11-21 17:27:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-21 17:27:20,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:20,812 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2022-11-21 17:27:20,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 17:27:20,813 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:20,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:20,813 INFO L85 PathProgramCache]: Analyzing trace with hash 473984031, now seen corresponding path program 1 times [2022-11-21 17:27:20,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:20,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218968356] [2022-11-21 17:27:20,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:20,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 17:27:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:27:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:27:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:27:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 17:27:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:27:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:27:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:27:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 17:27:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 17:27:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 17:27:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 710 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2022-11-21 17:27:21,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:21,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218968356] [2022-11-21 17:27:21,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218968356] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:27:21,512 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:27:21,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:27:21,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53736855] [2022-11-21 17:27:21,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:27:21,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:27:21,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:21,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:27:21,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:27:21,514 INFO L87 Difference]: Start difference. First operand 1044 states and 1439 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 17:27:24,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:24,056 INFO L93 Difference]: Finished difference Result 3160 states and 4490 transitions. [2022-11-21 17:27:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:27:24,058 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 245 [2022-11-21 17:27:24,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:24,074 INFO L225 Difference]: With dead ends: 3160 [2022-11-21 17:27:24,075 INFO L226 Difference]: Without dead ends: 2148 [2022-11-21 17:27:24,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 17:27:24,086 INFO L413 NwaCegarLoop]: 969 mSDtfsCounter, 949 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 1169 mSolverCounterSat, 414 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 3126 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 414 IncrementalHoareTripleChecker+Valid, 1169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:24,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 3126 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [414 Valid, 1169 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-21 17:27:24,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2148 states. [2022-11-21 17:27:24,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2148 to 2041. [2022-11-21 17:27:24,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2041 states, 1460 states have (on average 1.3116438356164384) internal successors, (1915), 1477 states have internal predecessors, (1915), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-21 17:27:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 2041 states and 2815 transitions. [2022-11-21 17:27:24,261 INFO L78 Accepts]: Start accepts. Automaton has 2041 states and 2815 transitions. Word has length 245 [2022-11-21 17:27:24,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:24,263 INFO L495 AbstractCegarLoop]: Abstraction has 2041 states and 2815 transitions. [2022-11-21 17:27:24,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 17:27:24,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 2815 transitions. [2022-11-21 17:27:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-21 17:27:24,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:24,274 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:24,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 17:27:24,277 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:24,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:24,278 INFO L85 PathProgramCache]: Analyzing trace with hash 383088536, now seen corresponding path program 1 times [2022-11-21 17:27:24,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:24,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685145579] [2022-11-21 17:27:24,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:24,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:24,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 17:27:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:27:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:27:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:27:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 17:27:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:27:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:27:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:27:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 17:27:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 17:27:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 17:27:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2022-11-21 17:27:24,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:24,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685145579] [2022-11-21 17:27:24,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685145579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:27:24,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:27:24,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 17:27:24,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111517123] [2022-11-21 17:27:24,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:27:24,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:27:24,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:24,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:27:24,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 17:27:24,991 INFO L87 Difference]: Start difference. First operand 2041 states and 2815 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 17:27:26,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:26,361 INFO L93 Difference]: Finished difference Result 4878 states and 7030 transitions. [2022-11-21 17:27:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:27:26,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 267 [2022-11-21 17:27:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:26,384 INFO L225 Difference]: With dead ends: 4878 [2022-11-21 17:27:26,384 INFO L226 Difference]: Without dead ends: 2873 [2022-11-21 17:27:26,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-21 17:27:26,394 INFO L413 NwaCegarLoop]: 967 mSDtfsCounter, 571 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 382 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 2121 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 382 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:26,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 2121 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [382 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-21 17:27:26,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2873 states. [2022-11-21 17:27:26,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2873 to 2045. [2022-11-21 17:27:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2045 states, 1464 states have (on average 1.310792349726776) internal successors, (1919), 1481 states have internal predecessors, (1919), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-21 17:27:26,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2819 transitions. [2022-11-21 17:27:26,559 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2819 transitions. Word has length 267 [2022-11-21 17:27:26,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:26,563 INFO L495 AbstractCegarLoop]: Abstraction has 2045 states and 2819 transitions. [2022-11-21 17:27:26,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 17:27:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2819 transitions. [2022-11-21 17:27:26,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-21 17:27:26,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:26,573 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:26,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 17:27:26,573 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:26,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:26,574 INFO L85 PathProgramCache]: Analyzing trace with hash -896775142, now seen corresponding path program 1 times [2022-11-21 17:27:26,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:26,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977948315] [2022-11-21 17:27:26,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:26,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 17:27:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:27:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:27:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:27:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 17:27:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:27:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:27:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:27:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 17:27:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:27,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 17:27:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:28,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 17:27:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:28,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-11-21 17:27:28,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:28,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977948315] [2022-11-21 17:27:28,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977948315] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:27:28,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196667063] [2022-11-21 17:27:28,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:28,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:27:28,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:28,047 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:27:28,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 17:27:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:28,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 2093 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 17:27:28,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:27:29,082 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2022-11-21 17:27:29,082 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:27:29,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196667063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:27:29,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:27:29,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2022-11-21 17:27:29,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211182438] [2022-11-21 17:27:29,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:27:29,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 17:27:29,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:29,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 17:27:29,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-21 17:27:29,085 INFO L87 Difference]: Start difference. First operand 2045 states and 2819 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 17:27:29,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:29,675 INFO L93 Difference]: Finished difference Result 3652 states and 5137 transitions. [2022-11-21 17:27:29,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:27:29,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 267 [2022-11-21 17:27:29,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:29,698 INFO L225 Difference]: With dead ends: 3652 [2022-11-21 17:27:29,699 INFO L226 Difference]: Without dead ends: 2642 [2022-11-21 17:27:29,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 344 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-11-21 17:27:29,706 INFO L413 NwaCegarLoop]: 1079 mSDtfsCounter, 945 mSDsluCounter, 2391 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 945 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:29,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [945 Valid, 3470 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 17:27:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2022-11-21 17:27:29,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2051. [2022-11-21 17:27:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2051 states, 1470 states have (on average 1.3095238095238095) internal successors, (1925), 1487 states have internal predecessors, (1925), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-21 17:27:29,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 2051 states and 2825 transitions. [2022-11-21 17:27:29,980 INFO L78 Accepts]: Start accepts. Automaton has 2051 states and 2825 transitions. Word has length 267 [2022-11-21 17:27:29,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:29,981 INFO L495 AbstractCegarLoop]: Abstraction has 2051 states and 2825 transitions. [2022-11-21 17:27:29,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-21 17:27:29,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 2825 transitions. [2022-11-21 17:27:29,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-21 17:27:29,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:29,994 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:30,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-21 17:27:30,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 17:27:30,206 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:30,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1205919431, now seen corresponding path program 1 times [2022-11-21 17:27:30,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:30,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677042910] [2022-11-21 17:27:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:30,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:31,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-21 17:27:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-21 17:27:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 17:27:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:27:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 17:27:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:27:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:31,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 17:27:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 17:27:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-21 17:27:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-21 17:27:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-21 17:27:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-21 17:27:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:31,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:31,602 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2022-11-21 17:27:31,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:31,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677042910] [2022-11-21 17:27:31,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677042910] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:27:31,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185231436] [2022-11-21 17:27:31,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:31,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:27:31,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:31,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:27:31,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 17:27:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:32,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 2178 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-21 17:27:32,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:27:32,697 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-21 17:27:32,701 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:27:32,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185231436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:27:32,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 17:27:32,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 12 [2022-11-21 17:27:32,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630168441] [2022-11-21 17:27:32,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:27:32,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 17:27:32,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:32,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 17:27:32,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:27:32,705 INFO L87 Difference]: Start difference. First operand 2051 states and 2825 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 17:27:33,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:33,061 INFO L93 Difference]: Finished difference Result 4107 states and 5682 transitions. [2022-11-21 17:27:33,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 17:27:33,062 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 281 [2022-11-21 17:27:33,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:33,076 INFO L225 Difference]: With dead ends: 4107 [2022-11-21 17:27:33,076 INFO L226 Difference]: Without dead ends: 2055 [2022-11-21 17:27:33,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 357 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:27:33,086 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 6 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3704 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:33,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3704 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:27:33,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2022-11-21 17:27:33,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 2055. [2022-11-21 17:27:33,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 1474 states have (on average 1.308683853459973) internal successors, (1929), 1491 states have internal predecessors, (1929), 451 states have call successors, (451), 130 states have call predecessors, (451), 129 states have return successors, (449), 445 states have call predecessors, (449), 449 states have call successors, (449) [2022-11-21 17:27:33,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2829 transitions. [2022-11-21 17:27:33,328 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2829 transitions. Word has length 281 [2022-11-21 17:27:33,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:33,329 INFO L495 AbstractCegarLoop]: Abstraction has 2055 states and 2829 transitions. [2022-11-21 17:27:33,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 6 states have internal predecessors, (107), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 17:27:33,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2829 transitions. [2022-11-21 17:27:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-21 17:27:33,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:33,340 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:33,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:27:33,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:27:33,559 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:33,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:33,559 INFO L85 PathProgramCache]: Analyzing trace with hash -1447302382, now seen corresponding path program 1 times [2022-11-21 17:27:33,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:33,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450332296] [2022-11-21 17:27:33,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:33,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:27:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-21 17:27:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-21 17:27:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 17:27:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 17:27:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:27:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:27:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:27:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-21 17:27:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:34,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-21 17:27:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:35,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-21 17:27:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:27:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:35,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-21 17:27:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:35,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-21 17:27:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-11-21 17:27:35,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:35,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450332296] [2022-11-21 17:27:35,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450332296] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:27:35,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010396357] [2022-11-21 17:27:35,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:35,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:27:35,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:35,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:27:35,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 17:27:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:36,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 2343 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-21 17:27:36,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:27:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 351 proven. 1 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2022-11-21 17:27:36,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:27:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 890 backedges. 10 proven. 91 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2022-11-21 17:27:37,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010396357] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:27:37,313 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:27:37,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 17 [2022-11-21 17:27:37,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147485462] [2022-11-21 17:27:37,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:27:37,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-21 17:27:37,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:37,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-21 17:27:37,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-11-21 17:27:37,315 INFO L87 Difference]: Start difference. First operand 2055 states and 2829 transitions. Second operand has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-21 17:27:40,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:40,656 INFO L93 Difference]: Finished difference Result 4265 states and 6024 transitions. [2022-11-21 17:27:40,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 17:27:40,657 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) Word has length 292 [2022-11-21 17:27:40,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:40,673 INFO L225 Difference]: With dead ends: 4265 [2022-11-21 17:27:40,674 INFO L226 Difference]: Without dead ends: 2214 [2022-11-21 17:27:40,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 656 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=181, Invalid=749, Unknown=0, NotChecked=0, Total=930 [2022-11-21 17:27:40,689 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 383 mSDsluCounter, 5896 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 561 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 6579 SdHoareTripleChecker+Invalid, 2266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 561 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:40,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 6579 Invalid, 2266 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [561 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-21 17:27:40,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-11-21 17:27:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2074. [2022-11-21 17:27:40,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1488 states have (on average 1.3064516129032258) internal successors, (1944), 1505 states have internal predecessors, (1944), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-21 17:27:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2848 transitions. [2022-11-21 17:27:40,883 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2848 transitions. Word has length 292 [2022-11-21 17:27:40,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:40,884 INFO L495 AbstractCegarLoop]: Abstraction has 2074 states and 2848 transitions. [2022-11-21 17:27:40,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 9.0) internal successors, (135), 13 states have internal predecessors, (135), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (44), 4 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-21 17:27:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2848 transitions. [2022-11-21 17:27:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-21 17:27:40,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:40,897 INFO L195 NwaCegarLoop]: trace histogram [21, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:40,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 17:27:41,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:27:41,113 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:41,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:41,114 INFO L85 PathProgramCache]: Analyzing trace with hash 2066804380, now seen corresponding path program 2 times [2022-11-21 17:27:41,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:41,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693462945] [2022-11-21 17:27:41,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:41,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:41,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:42,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:27:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 17:27:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-11-21 17:27:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-21 17:27:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-21 17:27:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-21 17:27:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-21 17:27:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-21 17:27:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-21 17:27:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:27:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-21 17:27:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-21 17:27:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-11-21 17:27:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 17:27:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2022-11-21 17:27:42,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:43,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693462945] [2022-11-21 17:27:43,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693462945] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:27:43,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246848184] [2022-11-21 17:27:43,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:27:43,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:27:43,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:43,010 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:27:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 17:27:45,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:27:45,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:27:45,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 2493 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-21 17:27:45,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:27:45,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 417 proven. 3 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2022-11-21 17:27:45,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:27:46,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 12 proven. 138 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2022-11-21 17:27:46,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246848184] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:27:46,415 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:27:46,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 8] total 20 [2022-11-21 17:27:46,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703406531] [2022-11-21 17:27:46,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:27:46,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-21 17:27:46,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:46,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-21 17:27:46,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2022-11-21 17:27:46,418 INFO L87 Difference]: Start difference. First operand 2074 states and 2848 transitions. Second operand has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 16 states have internal predecessors, (138), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-21 17:27:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:49,770 INFO L93 Difference]: Finished difference Result 4286 states and 6039 transitions. [2022-11-21 17:27:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 17:27:49,771 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 16 states have internal predecessors, (138), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 302 [2022-11-21 17:27:49,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:49,788 INFO L225 Difference]: With dead ends: 4286 [2022-11-21 17:27:49,788 INFO L226 Difference]: Without dead ends: 2218 [2022-11-21 17:27:49,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 674 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=225, Invalid=1035, Unknown=0, NotChecked=0, Total=1260 [2022-11-21 17:27:49,800 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 325 mSDsluCounter, 7209 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 437 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 7898 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:49,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 7898 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-21 17:27:49,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2022-11-21 17:27:49,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 2078. [2022-11-21 17:27:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2078 states, 1492 states have (on average 1.3056300268096515) internal successors, (1948), 1509 states have internal predecessors, (1948), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-21 17:27:49,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2078 states to 2078 states and 2852 transitions. [2022-11-21 17:27:49,994 INFO L78 Accepts]: Start accepts. Automaton has 2078 states and 2852 transitions. Word has length 302 [2022-11-21 17:27:49,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:49,995 INFO L495 AbstractCegarLoop]: Abstraction has 2078 states and 2852 transitions. [2022-11-21 17:27:49,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 7.666666666666667) internal successors, (138), 16 states have internal predecessors, (138), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-21 17:27:49,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2852 transitions. [2022-11-21 17:27:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2022-11-21 17:27:50,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:50,007 INFO L195 NwaCegarLoop]: trace histogram [31, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:50,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:27:50,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-21 17:27:50,226 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:27:50,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:27:50,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1512009710, now seen corresponding path program 3 times [2022-11-21 17:27:50,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:27:50,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131905434] [2022-11-21 17:27:50,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:27:50,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:27:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:27:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:27:51,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:51,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:27:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:27:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:27:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 17:27:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 17:27:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-11-21 17:27:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 17:27:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 17:27:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 17:27:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 17:27:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-21 17:27:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 17:27:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 17:27:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-11-21 17:27:52,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-21 17:27:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:27:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-11-21 17:27:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:27:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:27:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 14 proven. 204 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2022-11-21 17:27:52,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:27:52,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131905434] [2022-11-21 17:27:52,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131905434] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:27:52,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086863199] [2022-11-21 17:27:52,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 17:27:52,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:27:52,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:27:52,364 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:27:52,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-21 17:27:55,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-21 17:27:55,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:27:55,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 1765 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-21 17:27:55,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:27:55,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 346 proven. 6 refuted. 0 times theorem prover too weak. 1168 trivial. 0 not checked. [2022-11-21 17:27:55,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:27:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 212 proven. 6 refuted. 0 times theorem prover too weak. 1302 trivial. 0 not checked. [2022-11-21 17:27:56,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086863199] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:27:56,071 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:27:56,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2022-11-21 17:27:56,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886842830] [2022-11-21 17:27:56,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:27:56,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-21 17:27:56,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:27:56,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-21 17:27:56,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2022-11-21 17:27:56,074 INFO L87 Difference]: Start difference. First operand 2078 states and 2852 transitions. Second operand has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-21 17:27:59,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:27:59,666 INFO L93 Difference]: Finished difference Result 4294 states and 6047 transitions. [2022-11-21 17:27:59,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-21 17:27:59,667 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) Word has length 312 [2022-11-21 17:27:59,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:27:59,684 INFO L225 Difference]: With dead ends: 4294 [2022-11-21 17:27:59,684 INFO L226 Difference]: Without dead ends: 2222 [2022-11-21 17:27:59,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 732 GetRequests, 691 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 341 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=269, Invalid=1453, Unknown=0, NotChecked=0, Total=1722 [2022-11-21 17:27:59,696 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 252 mSDsluCounter, 7263 mSDsCounter, 0 mSdLazyCounter, 2338 mSolverCounterSat, 331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 7944 SdHoareTripleChecker+Invalid, 2669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 331 IncrementalHoareTripleChecker+Valid, 2338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:27:59,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 7944 Invalid, 2669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [331 Valid, 2338 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-21 17:27:59,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2222 states. [2022-11-21 17:27:59,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2222 to 2082. [2022-11-21 17:27:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2082 states, 1496 states have (on average 1.304812834224599) internal successors, (1952), 1513 states have internal predecessors, (1952), 453 states have call successors, (453), 133 states have call predecessors, (453), 132 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-21 17:27:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 2082 states and 2856 transitions. [2022-11-21 17:27:59,870 INFO L78 Accepts]: Start accepts. Automaton has 2082 states and 2856 transitions. Word has length 312 [2022-11-21 17:27:59,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:27:59,870 INFO L495 AbstractCegarLoop]: Abstraction has 2082 states and 2856 transitions. [2022-11-21 17:27:59,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.590909090909091) internal successors, (145), 20 states have internal predecessors, (145), 4 states have call successors, (54), 6 states have call predecessors, (54), 7 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2022-11-21 17:27:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 2856 transitions. [2022-11-21 17:27:59,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-11-21 17:27:59,878 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:27:59,878 INFO L195 NwaCegarLoop]: trace histogram [41, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:27:59,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:00,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-21 17:28:00,091 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:00,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:00,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1843498780, now seen corresponding path program 4 times [2022-11-21 17:28:00,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:00,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735309321] [2022-11-21 17:28:00,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:00,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:28:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:28:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:28:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:28:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:28:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 17:28:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-21 17:28:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-21 17:28:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-21 17:28:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-21 17:28:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 17:28:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:28:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-11-21 17:28:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-21 17:28:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 17:28:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:02,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-21 17:28:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 17:28:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-11-21 17:28:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:02,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 16 proven. 289 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2022-11-21 17:28:02,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:02,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735309321] [2022-11-21 17:28:02,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735309321] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:28:02,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080979754] [2022-11-21 17:28:02,479 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-21 17:28:02,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:28:02,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:28:02,484 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:28:02,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-21 17:28:05,944 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-21 17:28:05,944 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:28:05,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 2793 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-21 17:28:05,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 1181 proven. 13 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2022-11-21 17:28:06,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:28:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1985 backedges. 140 proven. 165 refuted. 0 times theorem prover too weak. 1680 trivial. 0 not checked. [2022-11-21 17:28:06,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080979754] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:28:06,884 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:28:06,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 10] total 24 [2022-11-21 17:28:06,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730973533] [2022-11-21 17:28:06,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:28:06,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-21 17:28:06,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:06,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-21 17:28:06,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2022-11-21 17:28:06,890 INFO L87 Difference]: Start difference. First operand 2082 states and 2856 transitions. Second operand has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-21 17:28:11,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:11,778 INFO L93 Difference]: Finished difference Result 4314 states and 6072 transitions. [2022-11-21 17:28:11,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-21 17:28:11,780 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) Word has length 322 [2022-11-21 17:28:11,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:11,796 INFO L225 Difference]: With dead ends: 4314 [2022-11-21 17:28:11,797 INFO L226 Difference]: Without dead ends: 2243 [2022-11-21 17:28:11,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 760 GetRequests, 711 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=333, Invalid=1923, Unknown=0, NotChecked=0, Total=2256 [2022-11-21 17:28:11,808 INFO L413 NwaCegarLoop]: 666 mSDtfsCounter, 270 mSDsluCounter, 9912 mSDsCounter, 0 mSdLazyCounter, 2983 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 10578 SdHoareTripleChecker+Invalid, 3310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 2983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:11,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 10578 Invalid, 3310 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [327 Valid, 2983 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-21 17:28:11,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2243 states. [2022-11-21 17:28:12,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2243 to 2103. [2022-11-21 17:28:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2103 states, 1515 states have (on average 1.3042904290429043) internal successors, (1976), 1532 states have internal predecessors, (1976), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-21 17:28:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 2103 states and 2880 transitions. [2022-11-21 17:28:12,060 INFO L78 Accepts]: Start accepts. Automaton has 2103 states and 2880 transitions. Word has length 322 [2022-11-21 17:28:12,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:12,060 INFO L495 AbstractCegarLoop]: Abstraction has 2103 states and 2880 transitions. [2022-11-21 17:28:12,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 6.636363636363637) internal successors, (146), 20 states have internal predecessors, (146), 4 states have call successors, (60), 6 states have call predecessors, (60), 6 states have return successors, (45), 4 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-21 17:28:12,061 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2880 transitions. [2022-11-21 17:28:12,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-11-21 17:28:12,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:12,070 INFO L195 NwaCegarLoop]: trace histogram [47, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:12,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:12,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-21 17:28:12,287 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:12,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:12,288 INFO L85 PathProgramCache]: Analyzing trace with hash -466446884, now seen corresponding path program 5 times [2022-11-21 17:28:12,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:12,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534472838] [2022-11-21 17:28:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:12,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:28:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:28:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:13,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:28:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:28:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:28:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-21 17:28:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 17:28:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 17:28:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-11-21 17:28:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-11-21 17:28:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 17:28:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 17:28:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-21 17:28:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-21 17:28:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-21 17:28:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-21 17:28:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 17:28:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-21 17:28:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2022-11-21 17:28:14,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:14,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534472838] [2022-11-21 17:28:14,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534472838] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:28:14,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800694719] [2022-11-21 17:28:14,686 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-21 17:28:14,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:28:14,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:28:14,688 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:28:14,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-21 17:28:18,791 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-11-21 17:28:18,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:28:18,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-21 17:28:18,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:19,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 688 proven. 15 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2022-11-21 17:28:19,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:28:19,936 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2022-11-21 17:28:19,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800694719] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:28:19,936 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:28:19,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 26 [2022-11-21 17:28:19,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597169506] [2022-11-21 17:28:19,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:28:19,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-21 17:28:19,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:28:19,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-21 17:28:19,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=565, Unknown=0, NotChecked=0, Total=650 [2022-11-21 17:28:19,940 INFO L87 Difference]: Start difference. First operand 2103 states and 2880 transitions. Second operand has 26 states, 24 states have (on average 6.0) internal successors, (144), 22 states have internal predecessors, (144), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-21 17:28:25,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:25,526 INFO L93 Difference]: Finished difference Result 4344 states and 6099 transitions. [2022-11-21 17:28:25,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-21 17:28:25,527 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 6.0) internal successors, (144), 22 states have internal predecessors, (144), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 328 [2022-11-21 17:28:25,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:25,542 INFO L225 Difference]: With dead ends: 4344 [2022-11-21 17:28:25,542 INFO L226 Difference]: Without dead ends: 2248 [2022-11-21 17:28:25,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 722 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=388, Invalid=2368, Unknown=0, NotChecked=0, Total=2756 [2022-11-21 17:28:25,551 INFO L413 NwaCegarLoop]: 675 mSDtfsCounter, 272 mSDsluCounter, 9790 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 10465 SdHoareTripleChecker+Invalid, 3457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 327 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:25,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 10465 Invalid, 3457 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [327 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-21 17:28:25,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2248 states. [2022-11-21 17:28:25,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2248 to 2108. [2022-11-21 17:28:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2108 states, 1520 states have (on average 1.3032894736842104) internal successors, (1981), 1537 states have internal predecessors, (1981), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-21 17:28:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 2885 transitions. [2022-11-21 17:28:25,732 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 2885 transitions. Word has length 328 [2022-11-21 17:28:25,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:25,734 INFO L495 AbstractCegarLoop]: Abstraction has 2108 states and 2885 transitions. [2022-11-21 17:28:25,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 6.0) internal successors, (144), 22 states have internal predecessors, (144), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-21 17:28:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2885 transitions. [2022-11-21 17:28:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-11-21 17:28:25,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:25,742 INFO L195 NwaCegarLoop]: trace histogram [53, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:25,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:25,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:28:25,964 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:25,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:25,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1848348252, now seen corresponding path program 6 times [2022-11-21 17:28:25,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:25,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504670705] [2022-11-21 17:28:25,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:25,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:28:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:28:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:28:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:27,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:28:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:28:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 17:28:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 17:28:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 17:28:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-21 17:28:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-21 17:28:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-21 17:28:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 17:28:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-21 17:28:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-21 17:28:28,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-21 17:28:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-21 17:28:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-21 17:28:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:28:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-21 17:28:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:28:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2022-11-21 17:28:28,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:28:28,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504670705] [2022-11-21 17:28:28,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504670705] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:28:28,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988066963] [2022-11-21 17:28:28,499 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-21 17:28:28,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:28:28,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:28:28,501 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:28:28,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-21 17:35:56,766 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2022-11-21 17:35:56,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:35:56,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 2069 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-21 17:35:56,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:35:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 785 proven. 21 refuted. 0 times theorem prover too weak. 1869 trivial. 0 not checked. [2022-11-21 17:35:57,629 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:35:59,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2675 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2022-11-21 17:35:59,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988066963] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:35:59,099 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:35:59,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 30 [2022-11-21 17:35:59,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123757930] [2022-11-21 17:35:59,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:35:59,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2022-11-21 17:35:59,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:35:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2022-11-21 17:35:59,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=782, Unknown=0, NotChecked=0, Total=870 [2022-11-21 17:35:59,103 INFO L87 Difference]: Start difference. First operand 2108 states and 2885 transitions. Second operand has 30 states, 28 states have (on average 5.285714285714286) internal successors, (148), 26 states have internal predecessors, (148), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-21 17:36:08,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:36:08,939 INFO L93 Difference]: Finished difference Result 4354 states and 6109 transitions. [2022-11-21 17:36:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-11-21 17:36:08,941 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 5.285714285714286) internal successors, (148), 26 states have internal predecessors, (148), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 334 [2022-11-21 17:36:08,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:36:08,967 INFO L225 Difference]: With dead ends: 4354 [2022-11-21 17:36:08,973 INFO L226 Difference]: Without dead ends: 2253 [2022-11-21 17:36:08,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 796 GetRequests, 730 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=475, Invalid=3685, Unknown=0, NotChecked=0, Total=4160 [2022-11-21 17:36:08,984 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 272 mSDsluCounter, 11786 mSDsCounter, 0 mSdLazyCounter, 3815 mSolverCounterSat, 335 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 12467 SdHoareTripleChecker+Invalid, 4150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 3815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-21 17:36:08,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 12467 Invalid, 4150 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [335 Valid, 3815 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-21 17:36:08,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2022-11-21 17:36:09,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 2113. [2022-11-21 17:36:09,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2113 states, 1525 states have (on average 1.301639344262295) internal successors, (1985), 1542 states have internal predecessors, (1985), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-21 17:36:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 2113 states and 2889 transitions. [2022-11-21 17:36:09,186 INFO L78 Accepts]: Start accepts. Automaton has 2113 states and 2889 transitions. Word has length 334 [2022-11-21 17:36:09,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:36:09,186 INFO L495 AbstractCegarLoop]: Abstraction has 2113 states and 2889 transitions. [2022-11-21 17:36:09,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 5.285714285714286) internal successors, (148), 26 states have internal predecessors, (148), 4 states have call successors, (64), 6 states have call predecessors, (64), 6 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-11-21 17:36:09,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 2889 transitions. [2022-11-21 17:36:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-11-21 17:36:09,194 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:36:09,194 INFO L195 NwaCegarLoop]: trace histogram [59, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:36:09,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-21 17:36:09,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-21 17:36:09,415 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:36:09,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:36:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash 968795164, now seen corresponding path program 7 times [2022-11-21 17:36:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:36:09,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486301073] [2022-11-21 17:36:09,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:36:09,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:36:09,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 17:36:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:36:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 17:36:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:36:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 17:36:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:36:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-21 17:36:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-21 17:36:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-21 17:36:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 17:36:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-21 17:36:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-21 17:36:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 17:36:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 17:36:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-21 17:36:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 17:36:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-21 17:36:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-21 17:36:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:36:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-21 17:36:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:36:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-21 17:36:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 17:36:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-11-21 17:36:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 17:36:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:12,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2022-11-21 17:36:12,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 17:36:12,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486301073] [2022-11-21 17:36:12,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486301073] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 17:36:12,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447445140] [2022-11-21 17:36:12,131 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-21 17:36:12,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 17:36:12,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:36:12,133 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 17:36:12,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-21 17:36:20,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:36:20,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 3063 conjuncts, 42 conjunts are in the unsatisfiable core [2022-11-21 17:36:20,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:36:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 887 proven. 33 refuted. 0 times theorem prover too weak. 2154 trivial. 0 not checked. [2022-11-21 17:36:20,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:36:22,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3074 backedges. 22 proven. 562 refuted. 0 times theorem prover too weak. 2490 trivial. 0 not checked. [2022-11-21 17:36:22,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447445140] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:36:22,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 17:36:22,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 13] total 33 [2022-11-21 17:36:22,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634720567] [2022-11-21 17:36:22,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 17:36:22,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-21 17:36:22,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 17:36:22,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-21 17:36:22,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=956, Unknown=0, NotChecked=0, Total=1056 [2022-11-21 17:36:22,723 INFO L87 Difference]: Start difference. First operand 2113 states and 2889 transitions. Second operand has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 29 states have internal predecessors, (154), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-21 17:36:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:36:33,603 INFO L93 Difference]: Finished difference Result 4364 states and 6117 transitions. [2022-11-21 17:36:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-21 17:36:33,604 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 29 states have internal predecessors, (154), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) Word has length 340 [2022-11-21 17:36:33,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:36:33,634 INFO L225 Difference]: With dead ends: 4364 [2022-11-21 17:36:33,634 INFO L226 Difference]: Without dead ends: 2258 [2022-11-21 17:36:33,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 742 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=443, Invalid=3847, Unknown=0, NotChecked=0, Total=4290 [2022-11-21 17:36:33,645 INFO L413 NwaCegarLoop]: 684 mSDtfsCounter, 257 mSDsluCounter, 13698 mSDsCounter, 0 mSdLazyCounter, 4437 mSolverCounterSat, 339 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 14382 SdHoareTripleChecker+Invalid, 4776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 339 IncrementalHoareTripleChecker+Valid, 4437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:36:33,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 14382 Invalid, 4776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [339 Valid, 4437 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-11-21 17:36:33,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2022-11-21 17:36:33,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 2118. [2022-11-21 17:36:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2118 states, 1530 states have (on average 1.3006535947712419) internal successors, (1990), 1547 states have internal predecessors, (1990), 453 states have call successors, (453), 135 states have call predecessors, (453), 134 states have return successors, (451), 447 states have call predecessors, (451), 451 states have call successors, (451) [2022-11-21 17:36:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 2118 states and 2894 transitions. [2022-11-21 17:36:33,862 INFO L78 Accepts]: Start accepts. Automaton has 2118 states and 2894 transitions. Word has length 340 [2022-11-21 17:36:33,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:36:33,863 INFO L495 AbstractCegarLoop]: Abstraction has 2118 states and 2894 transitions. [2022-11-21 17:36:33,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 4.967741935483871) internal successors, (154), 29 states have internal predecessors, (154), 4 states have call successors, (64), 6 states have call predecessors, (64), 8 states have return successors, (45), 5 states have call predecessors, (45), 4 states have call successors, (45) [2022-11-21 17:36:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 2894 transitions. [2022-11-21 17:36:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-11-21 17:36:33,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:36:33,872 INFO L195 NwaCegarLoop]: trace histogram [65, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:36:33,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-21 17:36:34,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-21 17:36:34,099 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:36:34,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:36:34,100 INFO L85 PathProgramCache]: Analyzing trace with hash -621449828, now seen corresponding path program 8 times [2022-11-21 17:36:34,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:36:34,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183352381] [2022-11-21 17:36:34,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:36:34,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:36:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:36:35,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:36:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:36:37,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:36:37,439 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:36:37,440 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:36:37,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-21 17:36:37,447 INFO L444 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 17:36:37,452 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:36:37,486 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,489 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,492 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,494 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,496 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,498 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,500 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,502 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,504 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,506 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,508 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-21 17:36:37,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:36:37 BoogieIcfgContainer [2022-11-21 17:36:37,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:36:37,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:36:37,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:36:37,722 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:36:37,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:27:10" (3/4) ... [2022-11-21 17:36:37,726 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:36:37,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:36:37,727 INFO L158 Benchmark]: Toolchain (without parser) took 571934.01ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 924.8MB). Free memory was 98.9MB in the beginning and 588.0MB in the end (delta: -489.1MB). Peak memory consumption was 436.7MB. Max. memory is 16.1GB. [2022-11-21 17:36:37,727 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:36:37,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2170.19ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 98.8MB in the beginning and 99.9MB in the end (delta: -1.2MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. [2022-11-21 17:36:37,729 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.46ms. Allocated memory is still 201.3MB. Free memory was 99.9MB in the beginning and 89.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:36:37,730 INFO L158 Benchmark]: Boogie Preprocessor took 219.66ms. Allocated memory is still 201.3MB. Free memory was 89.4MB in the beginning and 140.2MB in the end (delta: -50.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 17:36:37,731 INFO L158 Benchmark]: RCFGBuilder took 2488.60ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 134.7MB in the end (delta: 5.5MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2022-11-21 17:36:37,731 INFO L158 Benchmark]: TraceAbstraction took 566889.40ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 866.1MB). Free memory was 133.6MB in the beginning and 588.0MB in the end (delta: -454.4MB). Peak memory consumption was 650.8MB. Max. memory is 16.1GB. [2022-11-21 17:36:37,732 INFO L158 Benchmark]: Witness Printer took 4.82ms. Allocated memory is still 1.1GB. Free memory is still 588.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:36:37,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 113.2MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2170.19ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 98.8MB in the beginning and 99.9MB in the end (delta: -1.2MB). Peak memory consumption was 84.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.46ms. Allocated memory is still 201.3MB. Free memory was 99.9MB in the beginning and 89.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 219.66ms. Allocated memory is still 201.3MB. Free memory was 89.4MB in the beginning and 140.2MB in the end (delta: -50.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2488.60ms. Allocated memory is still 201.3MB. Free memory was 140.2MB in the beginning and 134.7MB in the end (delta: 5.5MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. * TraceAbstraction took 566889.40ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 866.1MB). Free memory was 133.6MB in the beginning and 588.0MB in the end (delta: -454.4MB). Peak memory consumption was 650.8MB. Max. memory is 16.1GB. * Witness Printer took 4.82ms. Allocated memory is still 1.1GB. Free memory is still 588.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) * 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: 5816]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 4279. Possible FailurePath: [L4367] int LDV_IN_INTERRUPT = 1; [L4368] int ldv_state_variable_2 ; [L4369] struct md_rdev *cluster_ops_group0 ; [L4370] int ref_cnt ; [L4371] struct mddev *cluster_ops_group1 ; [L4372] int ldv_state_variable_1 ; [L4373] int ldv_state_variable_0 ; [L4374] struct dlm_slot *md_ls_ops_group0 ; [L4719] static struct dlm_lockspace_ops const md_ls_ops = {& recover_prep, & recover_slot, & recover_done}; [L5507-L5510] static struct md_cluster_operations cluster_ops = {& join, & leave, & slot_number, & resync_info_update, & resync_start, & resync_finish, & metadata_update_start, & metadata_update_finish, & metadata_update_cancel, & area_resyncing, & add_new_disk_start, & add_new_disk_finish, & new_disk_ack, & remove_disk, & gather_bitmaps}; [L5527] int ldv_retval_0 ; [L5855] int ldv_module_refcounter = 1; VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5553] bool ldvarg7 ; [L5554] sector_t ldvarg3 ; [L5555] sector_t ldvarg0 ; [L5556] sector_t ldvarg5 ; [L5557] sector_t ldvarg6 ; [L5558] sector_t ldvarg1 ; [L5559] int ldvarg4 ; [L5560] sector_t ldvarg2 ; [L5561] void *ldvarg8 ; [L5562] void *tmp ; [L5563] int ldvarg11 ; [L5564] void *ldvarg13 ; [L5565] void *tmp___0 ; [L5566] void *ldvarg10 ; [L5567] void *tmp___1 ; [L5568] uint32_t ldvarg12 ; [L5569] int ldvarg9 ; [L5570] int tmp___2 ; [L5571] int tmp___3 ; [L5572] int tmp___4 ; [L5573] int tmp___5 ; VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L4333] return (p); VAL [\old(size)=1, \result={-18446744073709551617:0}, calloc(1UL, size)={-18446744073709551617:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-18446744073709551617:0}, ref_cnt=0, size=1, tmp={-18446744073709551617:0}] [L5575] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-18446744073709551617:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5575] tmp = ldv_init_zalloc(1UL) [L5576] ldvarg8 = tmp VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L5577] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L4333] return (p); VAL [\old(size)=1, \result={-36893488147419103233:0}, calloc(1UL, size)={-36893488147419103233:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-36893488147419103233:0}, ref_cnt=0, size=1, tmp={-36893488147419103233:0}] [L5577] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-36893488147419103233:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}] [L5577] tmp___0 = ldv_init_zalloc(1UL) [L5578] ldvarg13 = tmp___0 VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}] [L5579] CALL, EXPR ldv_init_zalloc(1UL) VAL [\old(size)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=1, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=1] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=1, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-110680464442257309697:0}, ref_cnt=0, size=1, tmp={-110680464442257309697:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=1, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-110680464442257309697:0}, ref_cnt=0, size=1, tmp={-110680464442257309697:0}] [L4333] return (p); VAL [\old(size)=1, \result={-110680464442257309697:0}, calloc(1UL, size)={-110680464442257309697:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-110680464442257309697:0}, ref_cnt=0, size=1, tmp={-110680464442257309697:0}] [L5579] RET, EXPR ldv_init_zalloc(1UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(1UL)={-110680464442257309697:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}] [L5579] tmp___1 = ldv_init_zalloc(1UL) [L5580] ldvarg10 = tmp___1 [L5581] FCALL ldv_initialize() [L5582] CALL ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [\old(c)=0, \old(n)=1, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={84:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={84:0}, s={84:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=1, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={84:0}, n=1, ref_cnt=0, s={84:0}, s={84:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=1, \result={84:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=1, ref_cnt=0, s={84:0}, s={84:0}, tmp={84:0}] [L5582] RET ldv_memset((void *)(& ldvarg7), 0, 1UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg7), 0, 1UL)={84:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5583] CALL ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={81:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={81:0}, s={81:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={81:0}, n=8, ref_cnt=0, s={81:0}, s={81:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={81:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={81:0}, s={81:0}, tmp={81:0}] [L5583] RET ldv_memset((void *)(& ldvarg3), 0, 8UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg3), 0, 8UL)={81:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5584] CALL ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={77:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={77:0}, s={77:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={77:0}, n=8, ref_cnt=0, s={77:0}, s={77:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={77:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={77:0}, s={77:0}, tmp={77:0}] [L5584] RET ldv_memset((void *)(& ldvarg0), 0, 8UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg0), 0, 8UL)={77:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5585] CALL ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={79:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={79:0}, s={79:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={79:0}, n=8, ref_cnt=0, s={79:0}, s={79:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={79:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={79:0}, s={79:0}, tmp={79:0}] [L5585] RET ldv_memset((void *)(& ldvarg5), 0, 8UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg5), 0, 8UL)={79:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5586] CALL ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={86:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={86:0}, s={86:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={86:0}, n=8, ref_cnt=0, s={86:0}, s={86:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={86:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={86:0}, s={86:0}, tmp={86:0}] [L5586] RET ldv_memset((void *)(& ldvarg6), 0, 8UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg6), 0, 8UL)={86:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5587] CALL ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={83:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={83:0}, s={83:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={83:0}, n=8, ref_cnt=0, s={83:0}, s={83:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={83:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={83:0}, s={83:0}, tmp={83:0}] [L5587] RET ldv_memset((void *)(& ldvarg1), 0, 8UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg1), 0, 8UL)={83:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5588] CALL ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={85:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={85:0}, s={85:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={85:0}, n=4, ref_cnt=0, s={85:0}, s={85:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={85:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={85:0}, s={85:0}, tmp={85:0}] [L5588] RET ldv_memset((void *)(& ldvarg4), 0, 4UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg4), 0, 4UL)={85:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5589] CALL ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [\old(c)=0, \old(n)=8, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={75:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={75:0}, s={75:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=8, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={75:0}, n=8, ref_cnt=0, s={75:0}, s={75:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=8, \result={75:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=8, ref_cnt=0, s={75:0}, s={75:0}, tmp={75:0}] [L5589] RET ldv_memset((void *)(& ldvarg2), 0, 8UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg2), 0, 8UL)={75:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5590] CALL ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={74:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={74:0}, s={74:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={74:0}, n=4, ref_cnt=0, s={74:0}, s={74:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={74:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={74:0}, s={74:0}, tmp={74:0}] [L5590] RET ldv_memset((void *)(& ldvarg11), 0, 4UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg11), 0, 4UL)={74:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5591] CALL ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={82:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={82:0}, s={82:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={82:0}, n=4, ref_cnt=0, s={82:0}, s={82:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={82:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={82:0}, s={82:0}, tmp={82:0}] [L5591] RET ldv_memset((void *)(& ldvarg12), 0, 4UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg12), 0, 4UL)={82:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5592] CALL ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [\old(c)=0, \old(n)=4, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, s={78:0}] [L4338] void *tmp ; VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={78:0}, s={78:0}] [L4340] EXPR, FCALL memset(s, c, n) VAL [\old(c)=0, \old(n)=4, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, memset(s, c, n)={78:0}, n=4, ref_cnt=0, s={78:0}, s={78:0}] [L4340] tmp = memset(s, c, n) [L4341] return (tmp); VAL [\old(c)=0, \old(n)=4, \result={78:0}, c=0, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, n=4, ref_cnt=0, s={78:0}, s={78:0}, tmp={78:0}] [L5592] RET ldv_memset((void *)(& ldvarg9), 0, 4UL) VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_memset((void *)(& ldvarg9), 0, 4UL)={78:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5593] ldv_state_variable_1 = 0 [L5594] ref_cnt = 0 [L5595] ldv_state_variable_0 = 1 [L5596] ldv_state_variable_2 = 0 VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: [L5728] case 1: VAL [cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=1, tmp___4=1] [L5729] COND TRUE ldv_state_variable_0 == 1 [L5730] CALL, EXPR cluster_init() [L5516] CALL register_md_cluster_operations(& cluster_ops, & __this_module) [L6002] return __VERIFIER_nondet_int(); [L5516] RET register_md_cluster_operations(& cluster_ops, & __this_module) [L5517] return (0); VAL [\result=0, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5730] RET, EXPR cluster_init() [L5730] ldv_retval_0 = cluster_init() [L5731] COND TRUE ldv_retval_0 == 0 [L5732] ldv_state_variable_0 = 3 [L5733] ldv_state_variable_2 = 1 [L5734] CALL ldv_initialize_dlm_lockspace_ops_2() [L5532] void *tmp ; VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] CALL, EXPR ldv_init_zalloc(8UL) VAL [\old(size)=8, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=8, __this_module={-90:91}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0, size=8] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=8, __this_module={-90:91}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-55340232221128654849:0}, ref_cnt=0, size=8, tmp={-55340232221128654849:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=8, __this_module={-90:91}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-55340232221128654849:0}, ref_cnt=0, size=8, tmp={-55340232221128654849:0}] [L4333] return (p); VAL [\old(size)=8, \result={-55340232221128654849:0}, __this_module={-90:91}, calloc(1UL, size)={-55340232221128654849:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, p={-55340232221128654849:0}, ref_cnt=0, size=8, tmp={-55340232221128654849:0}] [L5534] RET, EXPR ldv_init_zalloc(8UL) VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(8UL)={-55340232221128654849:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={0:0}, ref_cnt=0] [L5534] tmp = ldv_init_zalloc(8UL) [L5535] md_ls_ops_group0 = (struct dlm_slot *)tmp VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-55340232221128654849:0}] [L5734] RET ldv_initialize_dlm_lockspace_ops_2() [L5735] ldv_state_variable_1 = 1 [L5736] CALL ldv_initialize_md_cluster_operations_1() [L5541] void *tmp ; [L5542] void *tmp___0 ; VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L5544] CALL, EXPR ldv_init_zalloc(832UL) VAL [\old(size)=832, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=832, __this_module={-90:91}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, size=832] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=832, __this_module={-90:91}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, p={-73786976294838206465:0}, ref_cnt=0, size=832, tmp={-73786976294838206465:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=832, __this_module={-90:91}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, p={-73786976294838206465:0}, ref_cnt=0, size=832, tmp={-73786976294838206465:0}] [L4333] return (p); VAL [\old(size)=832, \result={-73786976294838206465:0}, __this_module={-90:91}, calloc(1UL, size)={-73786976294838206465:0}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, p={-73786976294838206465:0}, ref_cnt=0, size=832, tmp={-73786976294838206465:0}] [L5544] RET, EXPR ldv_init_zalloc(832UL) VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={0:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(832UL)={-73786976294838206465:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L5544] tmp = ldv_init_zalloc(832UL) [L5545] cluster_ops_group0 = (struct md_rdev *)tmp VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-73786976294838206465:0}] [L5546] CALL, EXPR ldv_init_zalloc(2096UL) VAL [\old(size)=2096, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4327] void *p ; [L4328] void *tmp ; [L4330] EXPR, FCALL calloc(1UL, size) VAL [\old(size)=2096, __this_module={-90:91}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, size=2096] [L4330] tmp = calloc(1UL, size) [L4331] p = tmp VAL [\old(size)=2096, __this_module={-90:91}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, p={-92233720368547758081:0}, ref_cnt=0, size=2096, tmp={-92233720368547758081:0}] [L4332] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4289] COND FALSE !(!cond) VAL [\old(cond)=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, cond=1, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4332] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(size)=2096, __this_module={-90:91}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, p={-92233720368547758081:0}, ref_cnt=0, size=2096, tmp={-92233720368547758081:0}] [L4333] return (p); VAL [\old(size)=2096, \result={-92233720368547758081:0}, __this_module={-90:91}, calloc(1UL, size)={-92233720368547758081:0}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, p={-92233720368547758081:0}, ref_cnt=0, size=2096, tmp={-92233720368547758081:0}] [L5546] RET, EXPR ldv_init_zalloc(2096UL) VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={0:0}, LDV_IN_INTERRUPT=1, ldv_init_zalloc(2096UL)={-92233720368547758081:0}, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-73786976294838206465:0}] [L5546] tmp___0 = ldv_init_zalloc(2096UL) [L5547] cluster_ops_group1 = (struct mddev *)tmp___0 VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-73786976294838206465:0}, tmp___0={-92233720368547758081:0}] [L5736] RET ldv_initialize_md_cluster_operations_1() [L5739] COND FALSE !(ldv_retval_0 != 0) VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=1, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=0, tmp___4=1] [L5601] COND TRUE ldv_state_variable_1 != 0 [L5602] tmp___3 = __VERIFIER_nondet_int() [L5604] case 0: [L5611] case 1: [L5618] case 2: [L5625] case 3: [L5632] case 4: [L5639] case 5: [L5646] case 6: [L5653] case 7: [L5660] case 8: [L5667] case 9: VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5668] COND TRUE ldv_state_variable_1 == 1 [L5669] EXPR \read(ldvarg4) [L5669] CALL join(cluster_ops_group1, ldvarg4) [L5089] struct md_cluster_info *cinfo ; [L5090] int ret ; [L5091] int ops_rv ; [L5092] char str[64U] ; [L5093] bool tmp ; [L5094] int tmp___0 ; [L5095] void *tmp___1 ; [L5096] struct lock_class_key __key ; [L5097] int tmp___2 ; [L5098] int tmp___3 ; [L5099] int tmp___4 ; [L5100] struct lock_class_key __key___0 ; [L5102] CALL, EXPR ldv_try_module_get_5(& __this_module) [L5798] int tmp ; [L5800] CALL, EXPR ldv_try_module_get(ldv_func_arg1) [L5868] int module_get_succeeded ; VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, module={-90:91}, module={-90:91}, ref_cnt=0] [L5870] COND TRUE (unsigned long )module != (unsigned long )((struct module *)0) [L5871] CALL, EXPR ldv_undef_int() [L4346] int tmp ; [L4348] tmp = __VERIFIER_nondet_int() [L4349] return (tmp); VAL [\result=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp=1] [L5871] RET, EXPR ldv_undef_int() [L5871] module_get_succeeded = ldv_undef_int() [L5872] COND TRUE module_get_succeeded == 1 [L5873] ldv_module_refcounter = ldv_module_refcounter + 1 [L5874] return (1); VAL [\result=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, module={-90:91}, module={-90:91}, module_get_succeeded=1, ref_cnt=0] [L5800] RET, EXPR ldv_try_module_get(ldv_func_arg1) [L5800] tmp = ldv_try_module_get(ldv_func_arg1) [L5801] return (tmp != 0); VAL [\result=1, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, ldv_func_arg1={-90:91}, ldv_func_arg1={-90:91}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp=1] [L5102] RET, EXPR ldv_try_module_get_5(& __this_module) [L5102] tmp = ldv_try_module_get_5(& __this_module) [L5103] COND TRUE \read(tmp) [L5104] tmp___0 = 0 VAL [\old(nodes)=0, __key={73:0}, __key___0={89:0}, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, mddev={-92233720368547758081:0}, mddev={-92233720368547758081:0}, nodes=0, ops_rv={87:0}, ref_cnt=0, str={90:0}, tmp=1, tmp___0=0] [L5108] COND FALSE !(\read(tmp___0)) VAL [\old(nodes)=0, __key={73:0}, __key___0={89:0}, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, mddev={-92233720368547758081:0}, mddev={-92233720368547758081:0}, nodes=0, ops_rv={87:0}, ref_cnt=0, str={90:0}, tmp=1, tmp___0=0] [L5112] CALL, EXPR kzalloc(536UL, 208U) VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4277] void *tmp ; [L4279] CALL, EXPR kmalloc(size, flags | 32768U) [L4268] void *tmp___2 ; [L4270] CALL, EXPR __kmalloc(size, flags) [L4263] CALL, EXPR ldv_malloc(size) VAL [\old(size)=536, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L4293] void *p ; [L4294] void *tmp ; [L4295] int tmp___0 ; [L4297] tmp___0 = __VERIFIER_nondet_int() [L4298] COND TRUE tmp___0 != 0 [L4299] return ((void *)0); VAL [\old(size)=536, \result={0:0}, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, size=536, tmp___0=1] [L4263] RET, EXPR ldv_malloc(size) VAL [\old(size)=536, \old(t)=32768, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_malloc(size)={0:0}, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, size=536, t=32768] [L4263] return ldv_malloc(size); [L4270] RET, EXPR __kmalloc(size, flags) [L4270] tmp___2 = __kmalloc(size, flags) [L4271] return (tmp___2); VAL [\old(flags)=32768, \old(size)=536, \result={0:0}, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, flags=32768, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, size=536, tmp___2={0:0}] [L4279] RET, EXPR kmalloc(size, flags | 32768U) [L4279] tmp = kmalloc(size, flags | 32768U) [L4280] return (tmp); VAL [\old(flags)=208, \old(size)=536, \result={0:0}, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, flags=208, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, size=536, tmp={0:0}] [L5112] RET, EXPR kzalloc(536UL, 208U) VAL [\old(nodes)=0, __key={73:0}, __key___0={89:0}, __this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, kzalloc(536UL, 208U)={0:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, mddev={-92233720368547758081:0}, mddev={-92233720368547758081:0}, nodes=0, ops_rv={87:0}, ref_cnt=0, str={90:0}, tmp=1, tmp___0=0] [L5112] tmp___1 = kzalloc(536UL, 208U) [L5113] cinfo = (struct md_cluster_info *)tmp___1 VAL [\old(nodes)=0, __key={73:0}, __key___0={89:0}, __this_module={-90:91}, cinfo={0:0}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, mddev={-92233720368547758081:0}, mddev={-92233720368547758081:0}, nodes=0, ops_rv={87:0}, ref_cnt=0, str={90:0}, tmp=1, tmp___0=0, tmp___1={0:0}] [L5114] COND TRUE (unsigned long )cinfo == (unsigned long )((struct md_cluster_info *)0) [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); [L5115] return (-12); VAL [\old(nodes)=0, \result=-12, __this_module={-90:91}, cinfo={0:0}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, mddev={-92233720368547758081:0}, mddev={-92233720368547758081:0}, nodes=0, ref_cnt=0, tmp=1, tmp___0=0, tmp___1={0:0}] [L5669] RET join(cluster_ops_group1, ldvarg4) [L5670] ldv_state_variable_1 = 1 VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=0, tmp___3=9, tmp___4=1] [L5598] tmp___2 = __VERIFIER_nondet_int() [L5600] case 0: [L5716] case 1: VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=1, tmp___3=9, tmp___4=1] [L5717] COND TRUE ldv_state_variable_0 != 0 [L5718] tmp___4 = __VERIFIER_nondet_int() [L5720] case 0: VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5721] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L5722] CALL cluster_exit() [L5523] CALL unregister_md_cluster_operations() [L6010] return __VERIFIER_nondet_int(); [L5523] RET unregister_md_cluster_operations() [L5722] RET cluster_exit() [L5723] ldv_state_variable_0 = 2 VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={77:0}, ldvarg1={83:0}, ldvarg10={-110680464442257309697:0}, ldvarg11={74:0}, ldvarg12={82:0}, ldvarg13={-36893488147419103233:0}, ldvarg2={75:0}, ldvarg3={81:0}, ldvarg4={85:0}, ldvarg5={79:0}, ldvarg6={86:0}, ldvarg7={84:0}, ldvarg8={-18446744073709551617:0}, ldvarg9={78:0}, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0, tmp={-18446744073709551617:0}, tmp___0={-36893488147419103233:0}, tmp___1={-110680464442257309697:0}, tmp___2=1, tmp___3=9, tmp___4=0] [L5792] CALL ldv_check_final_state() [L5914] COND TRUE ldv_module_refcounter != 1 VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L5915] CALL ldv_error() VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] [L5816] reach_error() VAL [__this_module={-90:91}, cluster_ops={72:0}, cluster_ops_group0={-73786976294838206465:0}, cluster_ops_group1={-92233720368547758081:0}, LDV_IN_INTERRUPT=1, ldv_module_refcounter=2, ldv_retval_0=0, ldv_state_variable_0=2, ldv_state_variable_1=1, ldv_state_variable_2=1, md_ls_ops={71:0}, md_ls_ops_group0={-55340232221128654849:0}, ref_cnt=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 567 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 566.5s, OverallIterations: 15, TraceHistogramMax: 65, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.2s, AutomataDifference: 53.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7310 SdHoareTripleChecker+Valid, 39.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6978 mSDsluCounter, 89696 SdHoareTripleChecker+Invalid, 34.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78641 mSDsCounter, 5047 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24616 IncrementalHoareTripleChecker+Invalid, 29663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5047 mSolverCounterUnsat, 11055 mSDtfsCounter, 24616 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6381 GetRequests, 5983 SyntacticMatches, 17 SemanticMatches, 381 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3462 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2118occurred in iteration=14, InterpolantAutomatonStates: 235, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 2643 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 470.9s SatisfiabilityAnalysisTime, 28.7s InterpolantComputationTime, 6969 NumberOfCodeBlocks, 6448 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 8823 ConstructedInterpolants, 0 QuantifiedInterpolants, 15722 SizeOfPredicates, 26 NumberOfNonLiveVariables, 19206 ConjunctsInSsa, 215 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 42656/46724 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 17:36:37,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/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_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/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_b64d2132-2526-4158-9b2b-2183595ee5c8/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 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- 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 17:36:40,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:36:40,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:36:40,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:36:40,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:36:40,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:36:40,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:36:40,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:36:40,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:36:40,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:36:40,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:36:40,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:36:40,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:36:40,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:36:40,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:36:40,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:36:40,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:36:40,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:36:40,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:36:40,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:36:40,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:36:40,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:36:40,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:36:40,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:36:40,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:36:40,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:36:40,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:36:40,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:36:40,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:36:40,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:36:40,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:36:40,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:36:40,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:36:40,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:36:40,933 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:36:40,933 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:36:40,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:36:40,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:36:40,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:36:40,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:36:40,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:36:40,938 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 17:36:40,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:36:40,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:36:40,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:36:40,989 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:36:40,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:36:40,990 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:36:40,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:36:40,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:36:40,992 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:36:40,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:36:40,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:36:40,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:36:40,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:36:40,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:36:40,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:36:40,996 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:36:40,996 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:36:40,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:36:40,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:36:40,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:36:40,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:36:40,998 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:36:40,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:36:40,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:36:40,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:36:41,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:36:41,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:36:41,001 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:36:41,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:36:41,002 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:36:41,002 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:36:41,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:36:41,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:36:41,003 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_b64d2132-2526-4158-9b2b-2183595ee5c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2022-11-21 17:36:41,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:36:41,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:36:41,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:36:41,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:36:41,536 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:36:41,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-21 17:36:44,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:36:45,589 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:36:45,592 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2022-11-21 17:36:45,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data/8e7117c48/9aeaed7c9c794e1da0362caacd549c26/FLAGd4741dfe0 [2022-11-21 17:36:45,676 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b64d2132-2526-4158-9b2b-2183595ee5c8/bin/uautomizer-vX5HgA9Q3a/data/8e7117c48/9aeaed7c9c794e1da0362caacd549c26 [2022-11-21 17:36:45,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:36:45,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:36:45,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:36:45,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:36:45,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:36:45,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:36:45" (1/1) ... [2022-11-21 17:36:45,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e89b22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:36:45, skipping insertion in model container [2022-11-21 17:36:45,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:36:45" (1/1) ... [2022-11-21 17:36:45,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:36:45,832 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:36:46,881 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: snprintf((char *)(& str), 64UL, "bitmap%04d", slot) [4637] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:617) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleSnPrintF(StandardFunctionHandler.java:971) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$21(StandardFunctionHandler.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) 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 17:36:46,888 INFO L158 Benchmark]: Toolchain (without parser) took 1204.86ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 33.2MB in the end (delta: 23.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-21 17:36:46,888 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:36:46,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1200.73ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 33.2MB in the end (delta: 23.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-21 17:36:46,892 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 79.7MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1200.73ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 33.2MB in the end (delta: 23.5MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& str), 64UL, "bitmap%04d", slot) [4637] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: snprintf((char *)(& str), 64UL, "bitmap%04d", slot) [4637]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf((char *)(& str), 64UL, "bitmap%04d", slot) [4637]