./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8 --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 97d835cf94d1b164c94e454298c9901161d3451d2aec7fccfb9f6ea65c4976ed --- 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-e04fb08 [2022-11-16 11:15:28,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:15:28,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:15:28,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:15:28,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:15:28,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:15:28,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:15:28,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:15:28,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:15:28,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:15:28,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:15:28,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:15:28,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:15:28,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:15:28,512 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:15:28,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:15:28,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:15:28,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:15:28,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:15:28,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:15:28,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:15:28,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:15:28,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:15:28,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:15:28,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:15:28,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:15:28,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:15:28,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:15:28,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:15:28,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:15:28,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:15:28,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:15:28,557 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:15:28,558 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:15:28,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:15:28,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:15:28,562 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:15:28,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:15:28,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:15:28,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:15:28,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:15:28,565 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:15:28,607 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:15:28,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:15:28,608 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:15:28,608 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:15:28,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:15:28,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:15:28,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:15:28,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:15:28,610 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:15:28,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:15:28,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:15:28,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:15:28,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:15:28,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:15:28,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:15:28,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:15:28,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:15:28,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:15:28,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:15:28,614 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:15:28,614 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:15:28,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:15:28,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:15:28,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:15:28,615 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:15:28,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:15:28,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:15:28,615 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:15:28,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:15:28,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:15:28,616 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_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97d835cf94d1b164c94e454298c9901161d3451d2aec7fccfb9f6ea65c4976ed [2022-11-16 11:15:28,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:15:28,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:15:28,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:15:28,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:15:28,938 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:15:28,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2022-11-16 11:15:29,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/data/5236e18b9/98e7193d0e7f4e919b6edfc3620b8d1b/FLAGa6c1a882e [2022-11-16 11:15:29,851 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:15:29,852 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2022-11-16 11:15:29,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/data/5236e18b9/98e7193d0e7f4e919b6edfc3620b8d1b/FLAGa6c1a882e [2022-11-16 11:15:30,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/data/5236e18b9/98e7193d0e7f4e919b6edfc3620b8d1b [2022-11-16 11:15:30,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:15:30,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:15:30,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:15:30,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:15:30,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:15:30,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:15:30" (1/1) ... [2022-11-16 11:15:30,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f964b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:30, skipping insertion in model container [2022-11-16 11:15:30,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:15:30" (1/1) ... [2022-11-16 11:15:30,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:15:30,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:15:33,175 WARN L229 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_e066f7cc-d480-446c-8be3-a06ac03975b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327451,327464] [2022-11-16 11:15:33,177 WARN L229 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_e066f7cc-d480-446c-8be3-a06ac03975b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327596,327609] [2022-11-16 11:15:33,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:15:33,298 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:15:33,712 WARN L229 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_e066f7cc-d480-446c-8be3-a06ac03975b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327451,327464] [2022-11-16 11:15:33,713 WARN L229 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_e066f7cc-d480-446c-8be3-a06ac03975b8/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i[327596,327609] [2022-11-16 11:15:33,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:15:33,960 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:15:33,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33 WrapperNode [2022-11-16 11:15:33,961 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:15:33,962 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:15:33,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:15:33,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:15:33,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,331 INFO L138 Inliner]: procedures = 393, calls = 3380, calls flagged for inlining = 185, calls inlined = 165, statements flattened = 5628 [2022-11-16 11:15:34,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:15:34,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:15:34,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:15:34,333 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:15:34,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:15:34,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:15:34,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:15:34,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:15:34,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (1/1) ... [2022-11-16 11:15:34,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:15:34,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:15:34,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:15:34,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e066f7cc-d480-446c-8be3-a06ac03975b8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:15:34,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 11:15:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 11:15:34,850 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-11-16 11:15:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-11-16 11:15:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:15:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:15:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-16 11:15:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-16 11:15:34,851 INFO L130 BoogieDeclarations]: Found specification of procedure set_carrier [2022-11-16 11:15:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure set_carrier [2022-11-16 11:15:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure read_mii_word [2022-11-16 11:15:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure read_mii_word [2022-11-16 11:15:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 11:15:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 11:15:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 11:15:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 11:15:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-16 11:15:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-16 11:15:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 11:15:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 11:15:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:15:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-16 11:15:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-16 11:15:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_dec_workqueue [2022-11-16 11:15:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_dec_workqueue [2022-11-16 11:15:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-16 11:15:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-16 11:15:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_disconnect [2022-11-16 11:15:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_disconnect [2022-11-16 11:15:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:15:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-16 11:15:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-16 11:15:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:15:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure __mii_op [2022-11-16 11:15:34,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __mii_op [2022-11-16 11:15:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 11:15:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 11:15:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:15:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-16 11:15:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-16 11:15:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:15:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:15:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_set_wol [2022-11-16 11:15:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_set_wol [2022-11-16 11:15:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-16 11:15:34,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-16 11:15:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 11:15:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 11:15:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:15:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:15:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_set_multicast [2022-11-16 11:15:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_set_multicast [2022-11-16 11:15:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure set_register [2022-11-16 11:15:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure set_register [2022-11-16 11:15:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:15:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-16 11:15:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-16 11:15:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:15:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 11:15:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 11:15:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:15:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:15:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:15:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-16 11:15:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-16 11:15:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 11:15:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 11:15:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-16 11:15:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-16 11:15:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-16 11:15:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-16 11:15:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 11:15:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 11:15:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-16 11:15:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-16 11:15:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-16 11:15:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-16 11:15:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:15:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:15:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure read_bulk_callback [2022-11-16 11:15:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure read_bulk_callback [2022-11-16 11:15:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 11:15:34,866 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 11:15:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:15:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:15:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:15:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:15:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure write_mii_word [2022-11-16 11:15:34,867 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mii_word [2022-11-16 11:15:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 11:15:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 11:15:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure strsep [2022-11-16 11:15:34,868 INFO L138 BoogieDeclarations]: Found implementation of procedure strsep [2022-11-16 11:15:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-16 11:15:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-16 11:15:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_open [2022-11-16 11:15:34,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_open [2022-11-16 11:15:34,869 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-16 11:15:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-16 11:15:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-16 11:15:34,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-16 11:15:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:15:34,870 INFO L130 BoogieDeclarations]: Found specification of procedure read_eprom_word [2022-11-16 11:15:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eprom_word [2022-11-16 11:15:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 11:15:34,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 11:15:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:15:34,871 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_nway_reset [2022-11-16 11:15:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_nway_reset [2022-11-16 11:15:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_resume [2022-11-16 11:15:34,872 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_resume [2022-11-16 11:15:34,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:15:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_tx_timeout [2022-11-16 11:15:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_tx_timeout [2022-11-16 11:15:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 11:15:34,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 11:15:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 11:15:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 11:15:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure free_all_urbs [2022-11-16 11:15:34,877 INFO L138 BoogieDeclarations]: Found implementation of procedure free_all_urbs [2022-11-16 11:15:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 11:15:34,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 11:15:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-16 11:15:34,880 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-16 11:15:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-16 11:15:34,881 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-16 11:15:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure intr_callback [2022-11-16 11:15:34,886 INFO L138 BoogieDeclarations]: Found implementation of procedure intr_callback [2022-11-16 11:15:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb_ip_align [2022-11-16 11:15:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb_ip_align [2022-11-16 11:15:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 11:15:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 11:15:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 11:15:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 11:15:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pegasus_exit_11_2 [2022-11-16 11:15:34,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pegasus_exit_11_2 [2022-11-16 11:15:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:15:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:15:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:15:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:15:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:15:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-16 11:15:34,888 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-16 11:15:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2022-11-16 11:15:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2022-11-16 11:15:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 11:15:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 11:15:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure pegasus_close [2022-11-16 11:15:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure pegasus_close [2022-11-16 11:15:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_registers [2022-11-16 11:15:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure get_registers [2022-11-16 11:15:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-16 11:15:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-11-16 11:15:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-11-16 11:15:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:15:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure set_registers [2022-11-16 11:15:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure set_registers [2022-11-16 11:15:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-16 11:15:34,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-16 11:15:35,679 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:15:35,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:15:36,270 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:15:42,348 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-16 11:15:42,824 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:15:42,852 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:15:42,852 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:15:42,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:15:42 BoogieIcfgContainer [2022-11-16 11:15:42,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:15:42,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:15:42,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:15:42,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:15:42,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:15:30" (1/3) ... [2022-11-16 11:15:42,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7839e538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:15:42, skipping insertion in model container [2022-11-16 11:15:42,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:15:33" (2/3) ... [2022-11-16 11:15:42,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7839e538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:15:42, skipping insertion in model container [2022-11-16 11:15:42,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:15:42" (3/3) ... [2022-11-16 11:15:42,872 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-pegasus.cil.i [2022-11-16 11:15:42,891 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:15:42,891 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:15:43,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:15:43,021 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;@264b813f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:15:43,021 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:15:43,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 1405 states, 1012 states have (on average 1.2974308300395256) internal successors, (1313), 1020 states have internal predecessors, (1313), 322 states have call successors, (322), 71 states have call predecessors, (322), 70 states have return successors, (316), 314 states have call predecessors, (316), 316 states have call successors, (316) [2022-11-16 11:15:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-16 11:15:43,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:43,064 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:43,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:43,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:43,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1747731717, now seen corresponding path program 1 times [2022-11-16 11:15:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:15:43,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464095838] [2022-11-16 11:15:43,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:43,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:15:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:15:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:15:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:15:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:15:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:15:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:15:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:15:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:15:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:15:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:15:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:15:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:15:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:15:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:15:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-11-16 11:15:44,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:15:44,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464095838] [2022-11-16 11:15:44,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464095838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:44,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:44,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:15:44,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630634229] [2022-11-16 11:15:44,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:44,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:15:44,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:15:44,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:15:44,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:15:44,758 INFO L87 Difference]: Start difference. First operand has 1405 states, 1012 states have (on average 1.2974308300395256) internal successors, (1313), 1020 states have internal predecessors, (1313), 322 states have call successors, (322), 71 states have call predecessors, (322), 70 states have return successors, (316), 314 states have call predecessors, (316), 316 states have call successors, (316) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-16 11:15:48,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:48,987 INFO L93 Difference]: Finished difference Result 4157 states and 5847 transitions. [2022-11-16 11:15:48,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:15:48,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 165 [2022-11-16 11:15:48,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:49,025 INFO L225 Difference]: With dead ends: 4157 [2022-11-16 11:15:49,025 INFO L226 Difference]: Without dead ends: 2700 [2022-11-16 11:15:49,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:15:49,042 INFO L413 NwaCegarLoop]: 1879 mSDtfsCounter, 2192 mSDsluCounter, 2556 mSDsCounter, 0 mSdLazyCounter, 1359 mSolverCounterSat, 736 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2408 SdHoareTripleChecker+Valid, 4435 SdHoareTripleChecker+Invalid, 2095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 736 IncrementalHoareTripleChecker+Valid, 1359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 11:15:49,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2408 Valid, 4435 Invalid, 2095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [736 Valid, 1359 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 11:15:49,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2700 states. [2022-11-16 11:15:49,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2700 to 2644. [2022-11-16 11:15:49,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 1936 states have (on average 1.296487603305785) internal successors, (2510), 1950 states have internal predecessors, (2510), 573 states have call successors, (573), 134 states have call predecessors, (573), 134 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-11-16 11:15:49,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 3656 transitions. [2022-11-16 11:15:49,397 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 3656 transitions. Word has length 165 [2022-11-16 11:15:49,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:49,398 INFO L495 AbstractCegarLoop]: Abstraction has 2644 states and 3656 transitions. [2022-11-16 11:15:49,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-16 11:15:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 3656 transitions. [2022-11-16 11:15:49,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-16 11:15:49,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:49,409 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:49,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:15:49,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:49,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:49,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1514108029, now seen corresponding path program 1 times [2022-11-16 11:15:49,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:15:49,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204141798] [2022-11-16 11:15:49,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:15:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:15:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:15:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:15:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:15:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:15:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:15:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:15:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:15:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:15:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:15:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:15:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:15:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:15:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-16 11:15:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-16 11:15:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:50,280 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-11-16 11:15:50,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:15:50,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204141798] [2022-11-16 11:15:50,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204141798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:50,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:50,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:15:50,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38310889] [2022-11-16 11:15:50,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:50,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:15:50,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:15:50,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:15:50,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:15:50,284 INFO L87 Difference]: Start difference. First operand 2644 states and 3656 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 11:15:53,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:53,735 INFO L93 Difference]: Finished difference Result 7456 states and 10348 transitions. [2022-11-16 11:15:53,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:15:53,735 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 180 [2022-11-16 11:15:53,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:53,765 INFO L225 Difference]: With dead ends: 7456 [2022-11-16 11:15:53,766 INFO L226 Difference]: Without dead ends: 4841 [2022-11-16 11:15:53,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:15:53,778 INFO L413 NwaCegarLoop]: 1806 mSDtfsCounter, 1799 mSDsluCounter, 2453 mSDsCounter, 0 mSdLazyCounter, 1252 mSolverCounterSat, 616 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1966 SdHoareTripleChecker+Valid, 4259 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 616 IncrementalHoareTripleChecker+Valid, 1252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:15:53,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1966 Valid, 4259 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [616 Valid, 1252 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-16 11:15:53,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4841 states. [2022-11-16 11:15:53,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4841 to 4731. [2022-11-16 11:15:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4731 states, 3436 states have (on average 1.2980209545983703) internal successors, (4460), 3464 states have internal predecessors, (4460), 1038 states have call successors, (1038), 256 states have call predecessors, (1038), 256 states have return successors, (1044), 1024 states have call predecessors, (1044), 1038 states have call successors, (1044) [2022-11-16 11:15:54,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 4731 states and 6542 transitions. [2022-11-16 11:15:54,010 INFO L78 Accepts]: Start accepts. Automaton has 4731 states and 6542 transitions. Word has length 180 [2022-11-16 11:15:54,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:54,011 INFO L495 AbstractCegarLoop]: Abstraction has 4731 states and 6542 transitions. [2022-11-16 11:15:54,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 11:15:54,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4731 states and 6542 transitions. [2022-11-16 11:15:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-16 11:15:54,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:54,018 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:54,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:15:54,018 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:54,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:54,019 INFO L85 PathProgramCache]: Analyzing trace with hash -784060645, now seen corresponding path program 1 times [2022-11-16 11:15:54,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:15:54,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145013140] [2022-11-16 11:15:54,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:15:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:15:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:15:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:15:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:15:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:15:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:15:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:15:54,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:15:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:15:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:15:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:15:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:15:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:15:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-16 11:15:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-11-16 11:15:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:54,882 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-11-16 11:15:54,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:15:54,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145013140] [2022-11-16 11:15:54,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145013140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:54,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:54,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:15:54,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625559475] [2022-11-16 11:15:54,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:54,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:15:54,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:15:54,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:15:54,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:15:54,886 INFO L87 Difference]: Start difference. First operand 4731 states and 6542 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 11:15:58,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:58,125 INFO L93 Difference]: Finished difference Result 11155 states and 15409 transitions. [2022-11-16 11:15:58,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:15:58,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 182 [2022-11-16 11:15:58,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:58,160 INFO L225 Difference]: With dead ends: 11155 [2022-11-16 11:15:58,160 INFO L226 Difference]: Without dead ends: 6453 [2022-11-16 11:15:58,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:15:58,179 INFO L413 NwaCegarLoop]: 1950 mSDtfsCounter, 1072 mSDsluCounter, 2628 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1178 SdHoareTripleChecker+Valid, 4578 SdHoareTripleChecker+Invalid, 1671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 385 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:15:58,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1178 Valid, 4578 Invalid, 1671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [385 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-16 11:15:58,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6453 states. [2022-11-16 11:15:58,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6453 to 6307. [2022-11-16 11:15:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6307 states, 4646 states have (on average 1.2942315970727507) internal successors, (6013), 4692 states have internal predecessors, (6013), 1307 states have call successors, (1307), 353 states have call predecessors, (1307), 353 states have return successors, (1313), 1279 states have call predecessors, (1313), 1307 states have call successors, (1313) [2022-11-16 11:15:58,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6307 states to 6307 states and 8633 transitions. [2022-11-16 11:15:58,497 INFO L78 Accepts]: Start accepts. Automaton has 6307 states and 8633 transitions. Word has length 182 [2022-11-16 11:15:58,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:58,498 INFO L495 AbstractCegarLoop]: Abstraction has 6307 states and 8633 transitions. [2022-11-16 11:15:58,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-11-16 11:15:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 6307 states and 8633 transitions. [2022-11-16 11:15:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-16 11:15:58,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:58,503 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:58,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:15:58,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:58,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:58,505 INFO L85 PathProgramCache]: Analyzing trace with hash 169773955, now seen corresponding path program 1 times [2022-11-16 11:15:58,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:15:58,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49465643] [2022-11-16 11:15:58,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:15:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:15:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:58,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:15:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:15:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:15:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:15:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:15:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:15:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:15:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:15:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:15:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:15:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:15:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:15:59,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:15:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-16 11:15:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-16 11:15:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-16 11:15:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:59,258 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-11-16 11:15:59,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:15:59,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49465643] [2022-11-16 11:15:59,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49465643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:59,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:59,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:15:59,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469625562] [2022-11-16 11:15:59,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:59,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:15:59,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:15:59,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:15:59,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:15:59,262 INFO L87 Difference]: Start difference. First operand 6307 states and 8633 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 11:16:03,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:03,186 INFO L93 Difference]: Finished difference Result 19063 states and 26161 transitions. [2022-11-16 11:16:03,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:03,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 186 [2022-11-16 11:16:03,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:03,284 INFO L225 Difference]: With dead ends: 19063 [2022-11-16 11:16:03,284 INFO L226 Difference]: Without dead ends: 12785 [2022-11-16 11:16:03,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:03,314 INFO L413 NwaCegarLoop]: 1904 mSDtfsCounter, 2140 mSDsluCounter, 2578 mSDsCounter, 0 mSdLazyCounter, 1254 mSolverCounterSat, 656 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2340 SdHoareTripleChecker+Valid, 4482 SdHoareTripleChecker+Invalid, 1910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 656 IncrementalHoareTripleChecker+Valid, 1254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:03,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2340 Valid, 4482 Invalid, 1910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [656 Valid, 1254 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 11:16:03,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12785 states. [2022-11-16 11:16:03,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12785 to 12495. [2022-11-16 11:16:03,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12495 states, 9202 states have (on average 1.294501195392306) internal successors, (11912), 9302 states have internal predecessors, (11912), 2586 states have call successors, (2586), 706 states have call predecessors, (2586), 706 states have return successors, (2598), 2522 states have call predecessors, (2598), 2586 states have call successors, (2598) [2022-11-16 11:16:04,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12495 states to 12495 states and 17096 transitions. [2022-11-16 11:16:04,010 INFO L78 Accepts]: Start accepts. Automaton has 12495 states and 17096 transitions. Word has length 186 [2022-11-16 11:16:04,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:04,011 INFO L495 AbstractCegarLoop]: Abstraction has 12495 states and 17096 transitions. [2022-11-16 11:16:04,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-16 11:16:04,012 INFO L276 IsEmpty]: Start isEmpty. Operand 12495 states and 17096 transitions. [2022-11-16 11:16:04,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-16 11:16:04,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:04,019 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:04,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:16:04,019 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:04,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:04,020 INFO L85 PathProgramCache]: Analyzing trace with hash 733086933, now seen corresponding path program 1 times [2022-11-16 11:16:04,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:04,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799186315] [2022-11-16 11:16:04,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:04,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:16:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:16:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:16:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:16:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:16:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:16:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:16:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:16:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:16:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:16:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:16:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:16:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:16:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:16:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-16 11:16:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-16 11:16:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-11-16 11:16:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 676 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2022-11-16 11:16:04,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:04,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799186315] [2022-11-16 11:16:04,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799186315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:04,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:04,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:16:04,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872268450] [2022-11-16 11:16:04,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:04,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:04,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:04,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:04,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:04,770 INFO L87 Difference]: Start difference. First operand 12495 states and 17096 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:16:08,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:08,899 INFO L93 Difference]: Finished difference Result 37859 states and 51914 transitions. [2022-11-16 11:16:08,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:08,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2022-11-16 11:16:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:09,011 INFO L225 Difference]: With dead ends: 37859 [2022-11-16 11:16:09,011 INFO L226 Difference]: Without dead ends: 25393 [2022-11-16 11:16:09,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:09,053 INFO L413 NwaCegarLoop]: 2941 mSDtfsCounter, 1954 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 6247 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 418 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:09,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 6247 Invalid, 1911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [418 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-16 11:16:09,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25393 states. [2022-11-16 11:16:10,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25393 to 24831. [2022-11-16 11:16:10,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24831 states, 18290 states have (on average 1.2937124111536358) internal successors, (23662), 18490 states have internal predecessors, (23662), 5128 states have call successors, (5128), 1412 states have call predecessors, (5128), 1412 states have return successors, (5152), 5000 states have call predecessors, (5152), 5128 states have call successors, (5152) [2022-11-16 11:16:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24831 states to 24831 states and 33942 transitions. [2022-11-16 11:16:10,522 INFO L78 Accepts]: Start accepts. Automaton has 24831 states and 33942 transitions. Word has length 205 [2022-11-16 11:16:10,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:10,523 INFO L495 AbstractCegarLoop]: Abstraction has 24831 states and 33942 transitions. [2022-11-16 11:16:10,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:16:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 24831 states and 33942 transitions. [2022-11-16 11:16:10,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-16 11:16:10,528 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:10,528 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 12, 12, 12, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:10,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:16:10,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:10,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:10,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1557043981, now seen corresponding path program 1 times [2022-11-16 11:16:10,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:10,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41792569] [2022-11-16 11:16:10,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:10,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:16:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:16:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:16:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:16:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:16:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:16:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:16:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:16:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:16:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:16:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:16:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:16:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:16:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-16 11:16:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-16 11:16:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-16 11:16:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-11-16 11:16:11,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-16 11:16:11,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 720 trivial. 0 not checked. [2022-11-16 11:16:11,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:11,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41792569] [2022-11-16 11:16:11,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41792569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:11,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:11,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:16:11,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489436493] [2022-11-16 11:16:11,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:11,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:11,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:11,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:11,256 INFO L87 Difference]: Start difference. First operand 24831 states and 33942 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:16:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:14,170 INFO L93 Difference]: Finished difference Result 50979 states and 69499 transitions. [2022-11-16 11:16:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:14,171 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 208 [2022-11-16 11:16:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:14,288 INFO L225 Difference]: With dead ends: 50979 [2022-11-16 11:16:14,288 INFO L226 Difference]: Without dead ends: 26177 [2022-11-16 11:16:14,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:14,354 INFO L413 NwaCegarLoop]: 1607 mSDtfsCounter, 429 mSDsluCounter, 2386 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 3993 SdHoareTripleChecker+Invalid, 1309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:14,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [474 Valid, 3993 Invalid, 1309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 11:16:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26177 states. [2022-11-16 11:16:15,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26177 to 25577. [2022-11-16 11:16:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25577 states, 18771 states have (on average 1.2879441691971658) internal successors, (24176), 18971 states have internal predecessors, (24176), 5257 states have call successors, (5257), 1548 states have call predecessors, (5257), 1548 states have return successors, (5281), 5129 states have call predecessors, (5281), 5257 states have call successors, (5281) [2022-11-16 11:16:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25577 states to 25577 states and 34714 transitions. [2022-11-16 11:16:15,649 INFO L78 Accepts]: Start accepts. Automaton has 25577 states and 34714 transitions. Word has length 208 [2022-11-16 11:16:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:15,650 INFO L495 AbstractCegarLoop]: Abstraction has 25577 states and 34714 transitions. [2022-11-16 11:16:15,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-16 11:16:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 25577 states and 34714 transitions. [2022-11-16 11:16:15,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-16 11:16:15,659 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:15,660 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:15,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:16:15,660 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:15,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:15,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1469715728, now seen corresponding path program 1 times [2022-11-16 11:16:15,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:15,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540823403] [2022-11-16 11:16:15,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:15,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:16:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:16:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:16:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:16:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:16:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:16:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:16:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:16:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:16:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:16:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:16:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:16:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:16:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:16:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 11:16:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:16:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-16 11:16:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:16:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 11:16:16,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 11:16:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-16 11:16:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-16 11:16:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-16 11:16:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-11-16 11:16:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-11-16 11:16:16,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:16,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540823403] [2022-11-16 11:16:16,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540823403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:16,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:16,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:16:16,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828392352] [2022-11-16 11:16:16,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:16,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:16,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:16,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:16,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:16,786 INFO L87 Difference]: Start difference. First operand 25577 states and 34714 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:16:21,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:21,580 INFO L93 Difference]: Finished difference Result 74653 states and 101616 transitions. [2022-11-16 11:16:21,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:21,585 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 267 [2022-11-16 11:16:21,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:21,806 INFO L225 Difference]: With dead ends: 74653 [2022-11-16 11:16:21,806 INFO L226 Difference]: Without dead ends: 49155 [2022-11-16 11:16:21,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:21,885 INFO L413 NwaCegarLoop]: 3040 mSDtfsCounter, 1827 mSDsluCounter, 3396 mSDsCounter, 0 mSdLazyCounter, 1539 mSolverCounterSat, 383 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 6436 SdHoareTripleChecker+Invalid, 1922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 383 IncrementalHoareTripleChecker+Valid, 1539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:21,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 6436 Invalid, 1922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [383 Valid, 1539 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-16 11:16:21,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49155 states. [2022-11-16 11:16:24,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49155 to 48113. [2022-11-16 11:16:24,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48113 states, 35475 states have (on average 1.2910500352360816) internal successors, (45800), 35827 states have internal predecessors, (45800), 9765 states have call successors, (9765), 2872 states have call predecessors, (9765), 2872 states have return successors, (9813), 9557 states have call predecessors, (9813), 9765 states have call successors, (9813) [2022-11-16 11:16:24,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48113 states to 48113 states and 65378 transitions. [2022-11-16 11:16:24,425 INFO L78 Accepts]: Start accepts. Automaton has 48113 states and 65378 transitions. Word has length 267 [2022-11-16 11:16:24,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:24,426 INFO L495 AbstractCegarLoop]: Abstraction has 48113 states and 65378 transitions. [2022-11-16 11:16:24,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:16:24,427 INFO L276 IsEmpty]: Start isEmpty. Operand 48113 states and 65378 transitions. [2022-11-16 11:16:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-16 11:16:24,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:24,437 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 12, 12, 12, 5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:24,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:16:24,437 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:24,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:24,438 INFO L85 PathProgramCache]: Analyzing trace with hash -387859106, now seen corresponding path program 1 times [2022-11-16 11:16:24,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:24,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067104087] [2022-11-16 11:16:24,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:24,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:16:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:16:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:16:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:16:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:16:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:16:25,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:16:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:16:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:16:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:16:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:16:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:16:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:16:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:16:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 11:16:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:16:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-16 11:16:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:16:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 11:16:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-16 11:16:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-16 11:16:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-16 11:16:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-16 11:16:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-16 11:16:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 921 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 900 trivial. 0 not checked. [2022-11-16 11:16:25,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:25,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067104087] [2022-11-16 11:16:25,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067104087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:25,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:25,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:16:25,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490903333] [2022-11-16 11:16:25,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:25,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:25,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:25,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:25,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:25,216 INFO L87 Difference]: Start difference. First operand 48113 states and 65378 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:16:31,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:31,136 INFO L93 Difference]: Finished difference Result 120193 states and 163617 transitions. [2022-11-16 11:16:31,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:31,137 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 265 [2022-11-16 11:16:31,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:31,737 INFO L225 Difference]: With dead ends: 120193 [2022-11-16 11:16:31,737 INFO L226 Difference]: Without dead ends: 71785 [2022-11-16 11:16:31,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:31,875 INFO L413 NwaCegarLoop]: 3042 mSDtfsCounter, 1824 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 6441 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 381 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:31,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 6441 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [381 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-16 11:16:31,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71785 states. [2022-11-16 11:16:34,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71785 to 70303. [2022-11-16 11:16:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70303 states, 51877 states have (on average 1.2926923299342676) internal successors, (67061), 52377 states have internal predecessors, (67061), 14237 states have call successors, (14237), 4188 states have call predecessors, (14237), 4188 states have return successors, (14305), 13952 states have call predecessors, (14305), 14236 states have call successors, (14305) [2022-11-16 11:16:35,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70303 states to 70303 states and 95603 transitions. [2022-11-16 11:16:35,201 INFO L78 Accepts]: Start accepts. Automaton has 70303 states and 95603 transitions. Word has length 265 [2022-11-16 11:16:35,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:35,202 INFO L495 AbstractCegarLoop]: Abstraction has 70303 states and 95603 transitions. [2022-11-16 11:16:35,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:16:35,202 INFO L276 IsEmpty]: Start isEmpty. Operand 70303 states and 95603 transitions. [2022-11-16 11:16:35,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2022-11-16 11:16:35,211 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:35,211 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 12, 12, 12, 12, 12, 12, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:35,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:16:35,212 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:35,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:35,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1205355051, now seen corresponding path program 1 times [2022-11-16 11:16:35,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:35,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384687491] [2022-11-16 11:16:35,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:35,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:16:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:16:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:16:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:16:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:16:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:16:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:16:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:16:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:16:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:16:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:16:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:16:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:16:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:16:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 11:16:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:16:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-16 11:16:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-16 11:16:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-16 11:16:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-16 11:16:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-11-16 11:16:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-16 11:16:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-11-16 11:16:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-16 11:16:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 847 trivial. 0 not checked. [2022-11-16 11:16:36,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:36,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384687491] [2022-11-16 11:16:36,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384687491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:36,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:36,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:16:36,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288583691] [2022-11-16 11:16:36,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:36,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:36,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:36,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:36,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:36,483 INFO L87 Difference]: Start difference. First operand 70303 states and 95603 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:16:42,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:42,668 INFO L93 Difference]: Finished difference Result 169107 states and 229111 transitions. [2022-11-16 11:16:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:42,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 272 [2022-11-16 11:16:42,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:43,143 INFO L225 Difference]: With dead ends: 169107 [2022-11-16 11:16:43,143 INFO L226 Difference]: Without dead ends: 98883 [2022-11-16 11:16:43,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:43,564 INFO L413 NwaCegarLoop]: 2341 mSDtfsCounter, 1550 mSDsluCounter, 2603 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1711 SdHoareTripleChecker+Valid, 4944 SdHoareTripleChecker+Invalid, 1725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:43,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1711 Valid, 4944 Invalid, 1725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-16 11:16:43,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98883 states. [2022-11-16 11:16:47,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98883 to 96938. [2022-11-16 11:16:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96938 states, 71570 states have (on average 1.2870197009920357) internal successors, (92112), 72237 states have internal predecessors, (92112), 19107 states have call successors, (19107), 6260 states have call predecessors, (19107), 6260 states have return successors, (19175), 18703 states have call predecessors, (19175), 19106 states have call successors, (19175) [2022-11-16 11:16:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96938 states to 96938 states and 130394 transitions. [2022-11-16 11:16:48,212 INFO L78 Accepts]: Start accepts. Automaton has 96938 states and 130394 transitions. Word has length 272 [2022-11-16 11:16:48,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:16:48,213 INFO L495 AbstractCegarLoop]: Abstraction has 96938 states and 130394 transitions. [2022-11-16 11:16:48,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-16 11:16:48,213 INFO L276 IsEmpty]: Start isEmpty. Operand 96938 states and 130394 transitions. [2022-11-16 11:16:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-11-16 11:16:48,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:16:48,226 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 12, 12, 12, 12, 12, 12, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:16:48,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:16:48,227 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:16:48,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:16:48,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1411944305, now seen corresponding path program 1 times [2022-11-16 11:16:48,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:16:48,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310092626] [2022-11-16 11:16:48,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:16:48,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:16:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:16:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-16 11:16:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:16:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-16 11:16:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:16:48,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:16:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:16:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-16 11:16:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-16 11:16:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-16 11:16:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 11:16:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-16 11:16:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-16 11:16:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-16 11:16:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-16 11:16:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-16 11:16:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-16 11:16:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 11:16:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-11-16 11:16:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-16 11:16:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-11-16 11:16:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-16 11:16:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-16 11:16:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-11-16 11:16:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-16 11:16:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-16 11:16:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-16 11:16:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-16 11:16:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:16:49,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1040 trivial. 0 not checked. [2022-11-16 11:16:49,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:16:49,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310092626] [2022-11-16 11:16:49,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310092626] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:16:49,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:16:49,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:16:49,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703276447] [2022-11-16 11:16:49,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:16:49,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:16:49,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:16:49,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:16:49,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:16:49,130 INFO L87 Difference]: Start difference. First operand 96938 states and 130394 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-16 11:16:56,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:16:56,834 INFO L93 Difference]: Finished difference Result 227067 states and 305667 transitions. [2022-11-16 11:16:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:16:56,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 289 [2022-11-16 11:16:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:16:57,549 INFO L225 Difference]: With dead ends: 227067 [2022-11-16 11:16:57,549 INFO L226 Difference]: Without dead ends: 129869 [2022-11-16 11:16:57,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:16:57,740 INFO L413 NwaCegarLoop]: 3039 mSDtfsCounter, 1822 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2008 SdHoareTripleChecker+Valid, 6432 SdHoareTripleChecker+Invalid, 1912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:16:57,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2008 Valid, 6432 Invalid, 1912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-16 11:16:57,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129869 states.