./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-ethernet-dec-tulip-tulip.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF --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 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:17:08,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:17:08,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:17:08,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:17:08,579 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:17:08,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:17:08,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:17:08,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:17:08,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:17:08,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:17:08,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:17:08,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:17:08,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:17:08,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:17:08,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:17:08,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:17:08,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:17:08,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:17:08,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:17:08,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:17:08,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:17:08,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:17:08,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:17:08,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:17:08,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:17:08,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:17:08,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:17:08,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:17:08,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:17:08,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:17:08,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:17:08,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:17:08,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:17:08,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:17:08,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:17:08,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:17:08,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:17:08,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:17:08,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:17:08,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:17:08,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:17:08,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 07:17:08,732 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:17:08,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:17:08,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:17:08,741 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:17:08,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:17:08,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:17:08,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:17:08,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:17:08,744 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:17:08,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:17:08,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:17:08,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:17:08,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:17:08,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:17:08,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:17:08,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:17:08,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:17:08,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:17:08,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:17:08,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:17:08,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:17:08,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:17:08,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:17:08,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:17:08,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:17:08,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:17:08,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:17:08,750 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:17:08,750 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 07:17:08,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:17:08,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:17:08,753 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_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 992a1e8d90338cdabe7a076eea5104d9629c0e7f956adc14aa39d01d99d3f218 [2021-11-20 07:17:09,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:17:09,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:17:09,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:17:09,066 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:17:09,067 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:17:09,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-20 07:17:09,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/data/17c5e7df3/1c2c918d9e064d40bb4470915989df70/FLAG94c9631a2 [2021-11-20 07:17:10,415 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:17:10,416 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-20 07:17:10,498 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/data/17c5e7df3/1c2c918d9e064d40bb4470915989df70/FLAG94c9631a2 [2021-11-20 07:17:10,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/data/17c5e7df3/1c2c918d9e064d40bb4470915989df70 [2021-11-20 07:17:10,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:17:10,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:17:10,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:17:10,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:17:10,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:17:10,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:17:10" (1/1) ... [2021-11-20 07:17:10,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e60c0ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:10, skipping insertion in model container [2021-11-20 07:17:10,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:17:10" (1/1) ... [2021-11-20 07:17:10,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:17:10,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:17:16,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-11-20 07:17:16,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-11-20 07:17:16,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:17:17,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:17:17,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[492962,492975] [2021-11-20 07:17:17,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i[493107,493120] [2021-11-20 07:17:17,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:17:18,218 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:17:18,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18 WrapperNode [2021-11-20 07:17:18,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:17:18,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:17:18,221 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:17:18,221 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:17:18,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:18,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:18,917 INFO L137 Inliner]: procedures = 567, calls = 5407, calls flagged for inlining = 289, calls inlined = 263, statements flattened = 11461 [2021-11-20 07:17:18,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:17:18,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:17:18,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:17:18,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:17:18,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:18,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:19,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:19,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:19,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:19,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:19,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:19,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:17:19,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:17:19,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:17:19,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:17:19,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (1/1) ... [2021-11-20 07:17:19,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:17:19,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:17:19,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:17:19,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e55eb16c-8e5b-4bff-8d65-b38deb47228c/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:17:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-11-20 07:17:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-11-20 07:17:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_media_task [2021-11-20 07:17:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_media_task [2021-11-20 07:17:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 07:17:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 07:17:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 07:17:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 07:17:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 07:17:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 07:17:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84 [2021-11-20 07:17:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84 [2021-11-20 07:17:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-20 07:17:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-20 07:17:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-11-20 07:17:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-11-20 07:17:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-11-20 07:17:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-11-20 07:17:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 07:17:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 07:17:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-20 07:17:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-20 07:17:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 07:17:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 07:17:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 07:17:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 07:17:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 07:17:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 07:17:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-11-20 07:17:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-11-20 07:17:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-20 07:17:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-20 07:17:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-20 07:17:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-20 07:17:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-20 07:17:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-20 07:17:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 07:17:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 07:17:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 07:17:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 07:17:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 07:17:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 07:17:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-11-20 07:17:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-11-20 07:17:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 07:17:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 07:17:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-20 07:17:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-20 07:17:19,886 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 07:17:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 07:17:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 07:17:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 07:17:19,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 07:17:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 07:17:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-20 07:17:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-20 07:17:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:17:19,888 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-11-20 07:17:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-11-20 07:17:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_resume [2021-11-20 07:17:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_resume [2021-11-20 07:17:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 07:17:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 07:17:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-11-20 07:17:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-11-20 07:17:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 07:17:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 07:17:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-11-20 07:17:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-11-20 07:17:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-11-20 07:17:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-11-20 07:17:19,891 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_media_task [2021-11-20 07:17:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_media_task [2021-11-20 07:17:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 07:17:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___5 [2021-11-20 07:17:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___5 [2021-11-20 07:17:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-11-20 07:17:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-11-20 07:17:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 07:17:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 07:17:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 07:17:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 07:17:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 07:17:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 07:17:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 07:17:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:17:19,894 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-11-20 07:17:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-11-20 07:17:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 07:17:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 07:17:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-20 07:17:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-20 07:17:19,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 07:17:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 07:17:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 07:17:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 07:17:19,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 07:17:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 07:17:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 07:17:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 07:17:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-20 07:17:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-20 07:17:19,897 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_timer [2021-11-20 07:17:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_timer [2021-11-20 07:17:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-20 07:17:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-20 07:17:19,898 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 07:17:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 07:17:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-11-20 07:17:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-11-20 07:17:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-11-20 07:17:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-11-20 07:17:19,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 07:17:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 07:17:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 07:17:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 07:17:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 07:17:19,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-20 07:17:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-20 07:17:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 07:17:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 07:17:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:17:19,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 07:17:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 07:17:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 07:17:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 07:17:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 07:17:19,902 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-11-20 07:17:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-11-20 07:17:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-20 07:17:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-20 07:17:19,903 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-11-20 07:17:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-11-20 07:17:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:17:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 07:17:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-20 07:17:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-20 07:17:19,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-20 07:17:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-20 07:17:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tulip_private [2021-11-20 07:17:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tulip_private [2021-11-20 07:17:19,905 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 07:17:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 07:17:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-20 07:17:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-20 07:17:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 07:17:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 07:17:19,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 07:17:19,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 07:17:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-11-20 07:17:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mii_lock_of_tulip_private [2021-11-20 07:17:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 07:17:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 07:17:19,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tulip_private [2021-11-20 07:17:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tulip_private [2021-11-20 07:17:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:17:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:17:19,908 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_close [2021-11-20 07:17:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_close [2021-11-20 07:17:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 07:17:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 07:17:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 07:17:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 07:17:19,909 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 07:17:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 07:17:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-20 07:17:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-20 07:17:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-11-20 07:17:19,910 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-11-20 07:17:19,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 07:17:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 07:17:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-11-20 07:17:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_tulip_cleanup_19_2 [2021-11-20 07:17:19,911 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-11-20 07:17:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-11-20 07:17:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 07:17:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 07:17:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-11-20 07:17:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-11-20 07:17:19,912 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-11-20 07:17:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-11-20 07:17:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-20 07:17:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-20 07:17:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-11-20 07:17:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-11-20 07:17:19,913 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-11-20 07:17:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-11-20 07:17:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 07:17:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 07:17:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-20 07:17:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-20 07:17:19,914 INFO L130 BoogieDeclarations]: Found specification of procedure comet_timer [2021-11-20 07:17:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure comet_timer [2021-11-20 07:17:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 07:17:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 07:17:19,915 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 07:17:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 07:17:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:17:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-11-20 07:17:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-11-20 07:17:19,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 07:17:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 07:17:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 07:17:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-20 07:17:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-20 07:17:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-20 07:17:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-20 07:17:19,917 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-11-20 07:17:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-11-20 07:17:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 07:17:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-11-20 07:17:19,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-11-20 07:17:19,918 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-11-20 07:17:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-11-20 07:17:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-11-20 07:17:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-11-20 07:17:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 07:17:19,919 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 07:17:19,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-20 07:17:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-20 07:17:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure mxic_timer [2021-11-20 07:17:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure mxic_timer [2021-11-20 07:17:19,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 07:17:19,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 07:17:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-20 07:17:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-20 07:17:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-11-20 07:17:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-11-20 07:17:19,921 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-20 07:17:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-20 07:17:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-11-20 07:17:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-11-20 07:17:19,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_84___0 [2021-11-20 07:17:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_84___0 [2021-11-20 07:17:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_timer [2021-11-20 07:17:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_timer [2021-11-20 07:17:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2021-11-20 07:17:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2021-11-20 07:17:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 07:17:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 07:17:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 07:17:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 07:17:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 07:17:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 07:17:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 07:17:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 07:17:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 07:17:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 07:17:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:17:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-11-20 07:17:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-11-20 07:17:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 07:17:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 07:17:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_85 [2021-11-20 07:17:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_85 [2021-11-20 07:17:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-11-20 07:17:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-11-20 07:17:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-11-20 07:17:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-11-20 07:17:19,927 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 07:17:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 07:17:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_open [2021-11-20 07:17:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_open [2021-11-20 07:17:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 07:17:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 07:17:19,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 07:17:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 07:17:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-20 07:17:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-20 07:17:19,929 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-20 07:17:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-20 07:17:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 07:17:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 07:17:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-11-20 07:17:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-11-20 07:17:19,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 07:17:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 07:17:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-11-20 07:17:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-11-20 07:17:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:17:19,931 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_timer [2021-11-20 07:17:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_timer [2021-11-20 07:17:19,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 07:17:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 07:17:21,376 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:17:21,385 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:17:22,978 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 07:17:32,500 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 07:17:32,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:17:32,739 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:17:32,739 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 07:17:32,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:17:32 BoogieIcfgContainer [2021-11-20 07:17:32,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:17:32,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:17:32,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:17:32,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:17:32,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:17:10" (1/3) ... [2021-11-20 07:17:32,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e83e8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:17:32, skipping insertion in model container [2021-11-20 07:17:32,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:17:18" (2/3) ... [2021-11-20 07:17:32,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e83e8f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:17:32, skipping insertion in model container [2021-11-20 07:17:32,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:17:32" (3/3) ... [2021-11-20 07:17:32,758 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-tulip.cil.i [2021-11-20 07:17:32,765 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:17:32,765 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 07:17:32,867 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 07:17:32,876 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 07:17:32,878 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 07:17:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) [2021-11-20 07:17:33,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-20 07:17:33,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:17:33,048 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 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] [2021-11-20 07:17:33,049 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:17:33,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:33,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1149132296, now seen corresponding path program 1 times [2021-11-20 07:17:33,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:33,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539175330] [2021-11-20 07:17:33,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:33,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:17:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:17:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:17:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:17:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:17:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:17:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:17:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:17:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:17:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:17:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:17:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:17:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:17:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:17:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 07:17:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-20 07:17:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-20 07:17:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2021-11-20 07:17:34,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:17:34,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539175330] [2021-11-20 07:17:34,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539175330] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:17:34,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:17:34,809 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:17:34,811 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329634858] [2021-11-20 07:17:34,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:17:34,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:17:34,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:17:34,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:17:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:17:34,876 INFO L87 Difference]: Start difference. First operand has 3501 states, 2413 states have (on average 1.3671777869871529) internal successors, (3299), 2512 states have internal predecessors, (3299), 955 states have call successors, (955), 134 states have call predecessors, (955), 133 states have return successors, (948), 903 states have call predecessors, (948), 948 states have call successors, (948) 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, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 07:17:44,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:17:44,432 INFO L93 Difference]: Finished difference Result 9363 states and 14036 transitions. [2021-11-20 07:17:44,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:17:44,435 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, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 194 [2021-11-20 07:17:44,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:17:44,555 INFO L225 Difference]: With dead ends: 9363 [2021-11-20 07:17:44,555 INFO L226 Difference]: Without dead ends: 5825 [2021-11-20 07:17:44,599 INFO L932 BasicCegarLoop]: 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 [2021-11-20 07:17:44,605 INFO L933 BasicCegarLoop]: 5421 mSDtfsCounter, 4048 mSDsluCounter, 6832 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 2120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4700 SdHoareTripleChecker+Valid, 12253 SdHoareTripleChecker+Invalid, 4664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2120 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-20 07:17:44,609 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4700 Valid, 12253 Invalid, 4664 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2120 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2021-11-20 07:17:44,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5825 states. [2021-11-20 07:17:45,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5825 to 5676. [2021-11-20 07:17:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5676 states, 3934 states have (on average 1.3662938485002543) internal successors, (5375), 4088 states have internal predecessors, (5375), 1520 states have call successors, (1520), 221 states have call predecessors, (1520), 221 states have return successors, (1520), 1449 states have call predecessors, (1520), 1520 states have call successors, (1520) [2021-11-20 07:17:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5676 states to 5676 states and 8415 transitions. [2021-11-20 07:17:45,546 INFO L78 Accepts]: Start accepts. Automaton has 5676 states and 8415 transitions. Word has length 194 [2021-11-20 07:17:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:17:45,552 INFO L470 AbstractCegarLoop]: Abstraction has 5676 states and 8415 transitions. [2021-11-20 07:17:45,553 INFO L471 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, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-11-20 07:17:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 5676 states and 8415 transitions. [2021-11-20 07:17:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-20 07:17:45,598 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:17:45,599 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:17:45,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:17:45,600 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:17:45,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:17:45,601 INFO L85 PathProgramCache]: Analyzing trace with hash -2047130823, now seen corresponding path program 1 times [2021-11-20 07:17:45,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:17:45,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330440745] [2021-11-20 07:17:45,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:17:45,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:17:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:17:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:17:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:17:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:17:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:17:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:17:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:17:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:17:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:17:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:17:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:17:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:17:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:17:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:17:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-20 07:17:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 07:17:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 07:17:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-20 07:17:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-20 07:17:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:17:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:17:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 07:17:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 07:17:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 07:17:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:17:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:17:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2021-11-20 07:17:46,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:17:46,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330440745] [2021-11-20 07:17:46,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330440745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:17:46,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:17:46,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:17:46,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864371278] [2021-11-20 07:17:46,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:17:46,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:17:46,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:17:46,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:17:46,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:17:46,629 INFO L87 Difference]: Start difference. First operand 5676 states and 8415 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 07:18:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:06,848 INFO L93 Difference]: Finished difference Result 18792 states and 28166 transitions. [2021-11-20 07:18:06,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:18:06,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 248 [2021-11-20 07:18:06,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:07,012 INFO L225 Difference]: With dead ends: 18792 [2021-11-20 07:18:07,013 INFO L226 Difference]: Without dead ends: 13147 [2021-11-20 07:18:07,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:18:07,059 INFO L933 BasicCegarLoop]: 4945 mSDtfsCounter, 9985 mSDsluCounter, 6467 mSDsCounter, 0 mSdLazyCounter, 6710 mSolverCounterSat, 6891 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10799 SdHoareTripleChecker+Valid, 11412 SdHoareTripleChecker+Invalid, 13601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6891 IncrementalHoareTripleChecker+Valid, 6710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:07,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10799 Valid, 11412 Invalid, 13601 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6891 Valid, 6710 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2021-11-20 07:18:07,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13147 states. [2021-11-20 07:18:08,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13147 to 11265. [2021-11-20 07:18:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11265 states, 7807 states have (on average 1.367618803637761) internal successors, (10677), 8119 states have internal predecessors, (10677), 3015 states have call successors, (3015), 442 states have call predecessors, (3015), 442 states have return successors, (3015), 2869 states have call predecessors, (3015), 3015 states have call successors, (3015) [2021-11-20 07:18:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11265 states to 11265 states and 16707 transitions. [2021-11-20 07:18:08,333 INFO L78 Accepts]: Start accepts. Automaton has 11265 states and 16707 transitions. Word has length 248 [2021-11-20 07:18:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:08,334 INFO L470 AbstractCegarLoop]: Abstraction has 11265 states and 16707 transitions. [2021-11-20 07:18:08,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 07:18:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 11265 states and 16707 transitions. [2021-11-20 07:18:08,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-11-20 07:18:08,367 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:08,367 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 13, 13, 13, 13, 13, 13, 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] [2021-11-20 07:18:08,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:18:08,368 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:08,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:08,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1936131099, now seen corresponding path program 1 times [2021-11-20 07:18:08,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:08,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715055706] [2021-11-20 07:18:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:08,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:18:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:18:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:18:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:18:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:18:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:18:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:18:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:18:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:18:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:18:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:18:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:18:09,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:18:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:18:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-20 07:18:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-11-20 07:18:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-20 07:18:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-20 07:18:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-20 07:18:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:18:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 07:18:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-11-20 07:18:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-20 07:18:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:18:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 789 trivial. 0 not checked. [2021-11-20 07:18:09,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:18:09,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715055706] [2021-11-20 07:18:09,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715055706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:09,178 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:09,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:18:09,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902973885] [2021-11-20 07:18:09,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:09,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:18:09,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:18:09,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:18:09,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:18:09,180 INFO L87 Difference]: Start difference. First operand 11265 states and 16707 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 07:18:26,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:26,586 INFO L93 Difference]: Finished difference Result 35281 states and 52789 transitions. [2021-11-20 07:18:26,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:18:26,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 248 [2021-11-20 07:18:26,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:26,808 INFO L225 Difference]: With dead ends: 35281 [2021-11-20 07:18:26,808 INFO L226 Difference]: Without dead ends: 24047 [2021-11-20 07:18:26,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:18:26,878 INFO L933 BasicCegarLoop]: 4462 mSDtfsCounter, 9891 mSDsluCounter, 5303 mSDsCounter, 0 mSdLazyCounter, 7711 mSolverCounterSat, 6625 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10664 SdHoareTripleChecker+Valid, 9765 SdHoareTripleChecker+Invalid, 14336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6625 IncrementalHoareTripleChecker+Valid, 7711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:26,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10664 Valid, 9765 Invalid, 14336 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6625 Valid, 7711 Invalid, 0 Unknown, 0 Unchecked, 16.2s Time] [2021-11-20 07:18:26,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24047 states. [2021-11-20 07:18:28,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24047 to 23360. [2021-11-20 07:18:28,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23360 states, 16271 states have (on average 1.3796324749554423) internal successors, (22448), 16939 states have internal predecessors, (22448), 6179 states have call successors, (6179), 869 states have call predecessors, (6179), 909 states have return successors, (6395), 5901 states have call predecessors, (6395), 6179 states have call successors, (6395) [2021-11-20 07:18:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23360 states to 23360 states and 35022 transitions. [2021-11-20 07:18:29,022 INFO L78 Accepts]: Start accepts. Automaton has 23360 states and 35022 transitions. Word has length 248 [2021-11-20 07:18:29,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:29,023 INFO L470 AbstractCegarLoop]: Abstraction has 23360 states and 35022 transitions. [2021-11-20 07:18:29,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 3 states have internal predecessors, (88), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 07:18:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 23360 states and 35022 transitions. [2021-11-20 07:18:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-20 07:18:29,082 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:29,082 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:18:29,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:18:29,083 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:29,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:29,083 INFO L85 PathProgramCache]: Analyzing trace with hash 102720254, now seen corresponding path program 1 times [2021-11-20 07:18:29,083 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:29,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595741757] [2021-11-20 07:18:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:29,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:18:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:18:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:18:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:18:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:18:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:18:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:18:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:18:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:18:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:18:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:18:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:18:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:18:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:18:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 07:18:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-20 07:18:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-20 07:18:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-20 07:18:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 07:18:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-20 07:18:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-20 07:18:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-20 07:18:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-11-20 07:18:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:18:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:29,978 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 903 trivial. 0 not checked. [2021-11-20 07:18:29,978 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:18:29,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595741757] [2021-11-20 07:18:29,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595741757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:29,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:29,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 07:18:29,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820709958] [2021-11-20 07:18:29,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:29,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 07:18:29,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:18:29,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 07:18:29,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 07:18:29,982 INFO L87 Difference]: Start difference. First operand 23360 states and 35022 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 07:18:37,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:37,340 INFO L93 Difference]: Finished difference Result 56811 states and 85322 transitions. [2021-11-20 07:18:37,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 07:18:37,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 258 [2021-11-20 07:18:37,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:37,591 INFO L225 Difference]: With dead ends: 56811 [2021-11-20 07:18:37,591 INFO L226 Difference]: Without dead ends: 33482 [2021-11-20 07:18:37,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:18:37,697 INFO L933 BasicCegarLoop]: 8033 mSDtfsCounter, 3443 mSDsluCounter, 8323 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 1418 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4077 SdHoareTripleChecker+Valid, 16356 SdHoareTripleChecker+Invalid, 3962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:37,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4077 Valid, 16356 Invalid, 3962 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1418 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-11-20 07:18:37,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33482 states. [2021-11-20 07:18:40,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33482 to 32714. [2021-11-20 07:18:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32714 states, 22766 states have (on average 1.3803478872002108) internal successors, (31425), 23686 states have internal predecessors, (31425), 8664 states have call successors, (8664), 1224 states have call predecessors, (8664), 1283 states have return successors, (8972), 8288 states have call predecessors, (8972), 8664 states have call successors, (8972) [2021-11-20 07:18:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32714 states to 32714 states and 49061 transitions. [2021-11-20 07:18:40,564 INFO L78 Accepts]: Start accepts. Automaton has 32714 states and 49061 transitions. Word has length 258 [2021-11-20 07:18:40,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:18:40,566 INFO L470 AbstractCegarLoop]: Abstraction has 32714 states and 49061 transitions. [2021-11-20 07:18:40,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-20 07:18:40,567 INFO L276 IsEmpty]: Start isEmpty. Operand 32714 states and 49061 transitions. [2021-11-20 07:18:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-20 07:18:40,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:18:40,623 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 13, 13, 13, 13, 13, 13, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:18:40,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:18:40,624 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:18:40,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:18:40,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1405757395, now seen corresponding path program 1 times [2021-11-20 07:18:40,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:18:40,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036635411] [2021-11-20 07:18:40,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:18:40,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:18:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:18:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:18:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:18:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:18:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:18:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:18:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:18:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:18:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:18:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:18:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:18:41,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:18:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:18:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:18:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-20 07:18:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-20 07:18:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-20 07:18:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-20 07:18:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-11-20 07:18:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-11-20 07:18:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-11-20 07:18:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:18:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:18:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-20 07:18:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-20 07:18:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:18:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-20 07:18:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:18:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 846 trivial. 0 not checked. [2021-11-20 07:18:41,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:18:41,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036635411] [2021-11-20 07:18:41,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036635411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:18:41,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:18:41,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:18:41,452 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071921673] [2021-11-20 07:18:41,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:18:41,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 07:18:41,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:18:41,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 07:18:41,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 07:18:41,455 INFO L87 Difference]: Start difference. First operand 32714 states and 49061 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-20 07:18:56,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:18:56,614 INFO L93 Difference]: Finished difference Result 71025 states and 106567 transitions. [2021-11-20 07:18:56,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 07:18:56,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 272 [2021-11-20 07:18:56,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:18:57,026 INFO L225 Difference]: With dead ends: 71025 [2021-11-20 07:18:57,026 INFO L226 Difference]: Without dead ends: 38342 [2021-11-20 07:18:57,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-20 07:18:57,181 INFO L933 BasicCegarLoop]: 4744 mSDtfsCounter, 7954 mSDsluCounter, 6365 mSDsCounter, 0 mSdLazyCounter, 6116 mSolverCounterSat, 5638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8605 SdHoareTripleChecker+Valid, 11109 SdHoareTripleChecker+Invalid, 11754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5638 IncrementalHoareTripleChecker+Valid, 6116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:18:57,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8605 Valid, 11109 Invalid, 11754 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5638 Valid, 6116 Invalid, 0 Unknown, 0 Unchecked, 13.5s Time] [2021-11-20 07:18:57,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38342 states. [2021-11-20 07:18:59,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38342 to 37283. [2021-11-20 07:19:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37283 states, 25945 states have (on average 1.3799576026209288) internal successors, (35803), 26986 states have internal predecessors, (35803), 9852 states have call successors, (9852), 1417 states have call predecessors, (9852), 1485 states have return successors, (10203), 9431 states have call predecessors, (10203), 9852 states have call successors, (10203) [2021-11-20 07:19:00,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37283 states to 37283 states and 55858 transitions. [2021-11-20 07:19:00,214 INFO L78 Accepts]: Start accepts. Automaton has 37283 states and 55858 transitions. Word has length 272 [2021-11-20 07:19:00,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:19:00,215 INFO L470 AbstractCegarLoop]: Abstraction has 37283 states and 55858 transitions. [2021-11-20 07:19:00,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-11-20 07:19:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 37283 states and 55858 transitions. [2021-11-20 07:19:00,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-11-20 07:19:00,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:19:00,547 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:19:00,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 07:19:00,547 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:19:00,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:19:00,548 INFO L85 PathProgramCache]: Analyzing trace with hash -278925420, now seen corresponding path program 1 times [2021-11-20 07:19:00,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:19:00,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670158014] [2021-11-20 07:19:00,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:19:00,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:19:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:19:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:19:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:19:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:19:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:19:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:19:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:19:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:19:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:19:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:19:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:19:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:19:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:19:01,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:19:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-11-20 07:19:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-20 07:19:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:19:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:19:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:19:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:19:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:19:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-20 07:19:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-20 07:19:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-20 07:19:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-20 07:19:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-20 07:19:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-20 07:19:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:19:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-20 07:19:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-20 07:19:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-20 07:19:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-20 07:19:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2021-11-20 07:19:01,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:19:01,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670158014] [2021-11-20 07:19:01,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670158014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:19:01,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:19:01,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:19:01,719 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136051188] [2021-11-20 07:19:01,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:19:01,720 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:19:01,720 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:19:01,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:19:01,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:19:01,721 INFO L87 Difference]: Start difference. First operand 37283 states and 55858 transitions. Second operand has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-20 07:19:27,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:19:27,298 INFO L93 Difference]: Finished difference Result 110676 states and 166429 transitions. [2021-11-20 07:19:27,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:19:27,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 324 [2021-11-20 07:19:27,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:19:27,927 INFO L225 Difference]: With dead ends: 110676 [2021-11-20 07:19:27,927 INFO L226 Difference]: Without dead ends: 73424 [2021-11-20 07:19:28,195 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:19:28,197 INFO L933 BasicCegarLoop]: 4950 mSDtfsCounter, 8964 mSDsluCounter, 7791 mSDsCounter, 0 mSdLazyCounter, 10203 mSolverCounterSat, 4620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9945 SdHoareTripleChecker+Valid, 12741 SdHoareTripleChecker+Invalid, 14823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4620 IncrementalHoareTripleChecker+Valid, 10203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2021-11-20 07:19:28,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9945 Valid, 12741 Invalid, 14823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4620 Valid, 10203 Invalid, 0 Unknown, 0 Unchecked, 22.5s Time] [2021-11-20 07:19:28,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73424 states. [2021-11-20 07:19:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73424 to 69676. [2021-11-20 07:19:32,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69676 states, 48498 states have (on average 1.3797888572724648) internal successors, (66917), 50471 states have internal predecessors, (66917), 18395 states have call successors, (18395), 2662 states have call predecessors, (18395), 2782 states have return successors, (19012), 17579 states have call predecessors, (19012), 18395 states have call successors, (19012) [2021-11-20 07:19:33,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69676 states to 69676 states and 104324 transitions. [2021-11-20 07:19:33,401 INFO L78 Accepts]: Start accepts. Automaton has 69676 states and 104324 transitions. Word has length 324 [2021-11-20 07:19:33,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:19:33,403 INFO L470 AbstractCegarLoop]: Abstraction has 69676 states and 104324 transitions. [2021-11-20 07:19:33,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.333333333333332) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-20 07:19:33,404 INFO L276 IsEmpty]: Start isEmpty. Operand 69676 states and 104324 transitions. [2021-11-20 07:19:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-11-20 07:19:33,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:19:33,506 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:19:33,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 07:19:33,507 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:19:33,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:19:33,508 INFO L85 PathProgramCache]: Analyzing trace with hash -418495111, now seen corresponding path program 1 times [2021-11-20 07:19:33,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:19:33,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610946323] [2021-11-20 07:19:33,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:19:33,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:19:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:19:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:19:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:19:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:19:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:19:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:19:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:19:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:19:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:19:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:19:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:19:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:19:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:19:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:19:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-20 07:19:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-20 07:19:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:19:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:19:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:19:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:19:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:19:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-20 07:19:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-20 07:19:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-20 07:19:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-20 07:19:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-20 07:19:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-11-20 07:19:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:19:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:19:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-20 07:19:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-20 07:19:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-20 07:19:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-20 07:19:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:19:34,856 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2021-11-20 07:19:34,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:19:34,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610946323] [2021-11-20 07:19:34,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610946323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:19:34,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:19:34,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:19:34,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075055679] [2021-11-20 07:19:34,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:19:34,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:19:34,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:19:34,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:19:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:19:34,862 INFO L87 Difference]: Start difference. First operand 69676 states and 104324 transitions. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-20 07:19:57,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 07:19:57,411 INFO L93 Difference]: Finished difference Result 211175 states and 317273 transitions. [2021-11-20 07:19:57,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-20 07:19:57,412 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 325 [2021-11-20 07:19:57,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 07:19:58,341 INFO L225 Difference]: With dead ends: 211175 [2021-11-20 07:19:58,341 INFO L226 Difference]: Without dead ends: 141530 [2021-11-20 07:19:58,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-11-20 07:19:58,608 INFO L933 BasicCegarLoop]: 4956 mSDtfsCounter, 11586 mSDsluCounter, 6565 mSDsCounter, 0 mSdLazyCounter, 7206 mSolverCounterSat, 9302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12569 SdHoareTripleChecker+Valid, 11521 SdHoareTripleChecker+Invalid, 16508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9302 IncrementalHoareTripleChecker+Valid, 7206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2021-11-20 07:19:58,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12569 Valid, 11521 Invalid, 16508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9302 Valid, 7206 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2021-11-20 07:19:58,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141530 states. [2021-11-20 07:20:07,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141530 to 134242. [2021-11-20 07:20:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134242 states, 93474 states have (on average 1.379474506279821) internal successors, (128945), 97311 states have internal predecessors, (128945), 35401 states have call successors, (35401), 5147 states have call predecessors, (35401), 5366 states have return successors, (36520), 33790 states have call predecessors, (36520), 35401 states have call successors, (36520) [2021-11-20 07:20:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134242 states to 134242 states and 200866 transitions. [2021-11-20 07:20:08,859 INFO L78 Accepts]: Start accepts. Automaton has 134242 states and 200866 transitions. Word has length 325 [2021-11-20 07:20:08,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 07:20:08,860 INFO L470 AbstractCegarLoop]: Abstraction has 134242 states and 200866 transitions. [2021-11-20 07:20:08,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-20 07:20:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 134242 states and 200866 transitions. [2021-11-20 07:20:08,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-11-20 07:20:08,980 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 07:20:08,981 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 07:20:08,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 07:20:08,981 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 07:20:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:20:08,982 INFO L85 PathProgramCache]: Analyzing trace with hash 2083471022, now seen corresponding path program 1 times [2021-11-20 07:20:08,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:20:08,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619833279] [2021-11-20 07:20:08,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:20:08,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:20:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 07:20:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-20 07:20:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-20 07:20:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 07:20:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 07:20:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-20 07:20:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-20 07:20:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-20 07:20:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-20 07:20:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-20 07:20:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-20 07:20:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-20 07:20:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-20 07:20:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:09,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-20 07:20:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-20 07:20:10,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-20 07:20:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 07:20:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-20 07:20:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 07:20:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-20 07:20:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-20 07:20:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-20 07:20:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-11-20 07:20:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-20 07:20:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-11-20 07:20:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-20 07:20:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 07:20:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 07:20:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-20 07:20:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-20 07:20:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-20 07:20:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-20 07:20:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:20:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2021-11-20 07:20:10,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:20:10,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619833279] [2021-11-20 07:20:10,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619833279] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:20:10,238 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:20:10,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 07:20:10,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975003312] [2021-11-20 07:20:10,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:20:10,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:20:10,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:20:10,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:20:10,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:20:10,241 INFO L87 Difference]: Start difference. First operand 134242 states and 200866 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 3 states have internal predecessors, (120), 3 states have call successors, (39), 5 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35)