./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro --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 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 19:46:16,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:46:16,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:46:16,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:46:16,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:46:16,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:46:16,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:46:16,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:46:16,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:46:16,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:46:16,848 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:46:16,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:46:16,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:46:16,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:46:16,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:46:16,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:46:16,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:46:16,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:46:16,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:46:16,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:46:16,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:46:16,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:46:16,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:46:16,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:46:16,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:46:16,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:46:16,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:46:16,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:46:16,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:46:16,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:46:16,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:46:16,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:46:16,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:46:16,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:46:16,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:46:16,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:46:16,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:46:16,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:46:16,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:46:16,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:46:16,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:46:16,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:46:16,921 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:46:16,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:46:16,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:46:16,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:46:16,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:46:16,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:46:16,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:46:16,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:46:16,925 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:46:16,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:46:16,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:46:16,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:46:16,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:46:16,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:46:16,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:46:16,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:46:16,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:46:16,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:46:16,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:46:16,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:46:16,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:46:16,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:46:16,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:46:16,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:46:16,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:46:16,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:46:16,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:46:16,930 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:46:16,931 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:46:16,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:46:16,931 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_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a4f053d4c8e05b05b5c7887f5d3a3e872b1a59439c17cfd3f803da6611a851a [2022-11-18 19:46:17,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:46:17,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:46:17,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:46:17,260 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:46:17,262 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:46:17,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2022-11-18 19:46:17,338 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/data/5b42fe280/7f91a5980bd4463a92ea46bb6b8dde5a/FLAGe7a47e7c4 [2022-11-18 19:46:18,463 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:46:18,463 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2022-11-18 19:46:18,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/data/5b42fe280/7f91a5980bd4463a92ea46bb6b8dde5a/FLAGe7a47e7c4 [2022-11-18 19:46:18,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/data/5b42fe280/7f91a5980bd4463a92ea46bb6b8dde5a [2022-11-18 19:46:18,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:46:18,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:46:18,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:18,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:46:18,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:46:18,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:18" (1/1) ... [2022-11-18 19:46:18,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b2394ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:18, skipping insertion in model container [2022-11-18 19:46:18,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:46:18" (1/1) ... [2022-11-18 19:46:18,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:46:19,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:46:22,578 WARN L234 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_fd8976a1-66ac-416f-b320-a72abe1252b1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2022-11-18 19:46:22,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:46:22,789 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:46:24,021 WARN L234 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_fd8976a1-66ac-416f-b320-a72abe1252b1/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i[368085,368098] [2022-11-18 19:46:24,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:46:24,261 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:46:24,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24 WrapperNode [2022-11-18 19:46:24,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:46:24,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:46:24,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:46:24,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:46:24,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:24,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:24,743 INFO L138 Inliner]: procedures = 329, calls = 4504, calls flagged for inlining = 148, calls inlined = 145, statements flattened = 9066 [2022-11-18 19:46:24,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:46:24,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:46:24,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:46:24,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:46:24,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:24,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:24,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:24,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:25,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:25,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:25,501 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:25,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:25,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:46:25,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:46:25,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:46:25,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:46:25,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (1/1) ... [2022-11-18 19:46:25,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:46:25,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:46:25,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:46:25,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd8976a1-66ac-416f-b320-a72abe1252b1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:46:25,740 INFO L130 BoogieDeclarations]: Found specification of procedure ips_detect [2022-11-18 19:46:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_detect [2022-11-18 19:46:25,741 INFO L130 BoogieDeclarations]: Found specification of procedure ips_done [2022-11-18 19:46:25,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_done [2022-11-18 19:46:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp [2022-11-18 19:46:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp [2022-11-18 19:46:25,742 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_abort [2022-11-18 19:46:25,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_abort [2022-11-18 19:46:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2022-11-18 19:46:25,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2022-11-18 19:46:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 19:46:25,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 19:46:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-18 19:46:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-18 19:46:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:46:25,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:46:25,744 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_cmd [2022-11-18 19:46:25,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_cmd [2022-11-18 19:46:25,745 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-18 19:46:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-18 19:46:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-18 19:46:25,746 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-18 19:46:25,746 INFO L130 BoogieDeclarations]: Found specification of procedure ips_allocatescbs [2022-11-18 19:46:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_allocatescbs [2022-11-18 19:46:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure do_ipsintr [2022-11-18 19:46:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure do_ipsintr [2022-11-18 19:46:25,747 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_copperhead [2022-11-18 19:46:25,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_copperhead [2022-11-18 19:46:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-18 19:46:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-18 19:46:25,748 INFO L130 BoogieDeclarations]: Found specification of procedure le32_add_cpu [2022-11-18 19:46:25,748 INFO L138 BoogieDeclarations]: Found implementation of procedure le32_add_cpu [2022-11-18 19:46:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 19:46:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 19:46:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure ips_freescb [2022-11-18 19:46:25,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_freescb [2022-11-18 19:46:25,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-18 19:46:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-18 19:46:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free_flash_copperhead [2022-11-18 19:46:25,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free_flash_copperhead [2022-11-18 19:46:25,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:46:25,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:46:25,751 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isintr_morpheus [2022-11-18 19:46:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isintr_morpheus [2022-11-18 19:46:25,752 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_scb_head [2022-11-18 19:46:25,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_scb_head [2022-11-18 19:46:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure ips_slave_configure [2022-11-18 19:46:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_slave_configure [2022-11-18 19:46:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 19:46:25,753 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 19:46:25,753 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-18 19:46:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-18 19:46:25,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_5 [2022-11-18 19:46:25,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_5 [2022-11-18 19:46:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-18 19:46:25,755 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-18 19:46:25,755 INFO L130 BoogieDeclarations]: Found specification of procedure ips_putq_scb_head [2022-11-18 19:46:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_putq_scb_head [2022-11-18 19:46:25,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:46:25,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:46:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure ips_hainit [2022-11-18 19:46:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_hainit [2022-11-18 19:46:25,758 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-18 19:46:25,758 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-18 19:46:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:46:25,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:46:25,759 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-11-18 19:46:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-11-18 19:46:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:46:25,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:46:25,760 INFO L130 BoogieDeclarations]: Found specification of procedure ips_wait [2022-11-18 19:46:25,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_wait [2022-11-18 19:46:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sglist [2022-11-18 19:46:25,762 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sglist [2022-11-18 19:46:25,762 INFO L130 BoogieDeclarations]: Found specification of procedure ips_register_scsi [2022-11-18 19:46:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_register_scsi [2022-11-18 19:46:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_id [2022-11-18 19:46:25,763 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_id [2022-11-18 19:46:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure ips_readwrite_page5 [2022-11-18 19:46:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_readwrite_page5 [2022-11-18 19:46:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-18 19:46:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-18 19:46:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flush_and_reset [2022-11-18 19:46:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flush_and_reset [2022-11-18 19:46:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ips_send_wait [2022-11-18 19:46:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_send_wait [2022-11-18 19:46:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait [2022-11-18 19:46:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait [2022-11-18 19:46:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure ips_intr_morpheus [2022-11-18 19:46:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_intr_morpheus [2022-11-18 19:46:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-18 19:46:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~uint32_t~0~X~~uint32_t~0~TO~int [2022-11-18 19:46:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:46:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure touch_nmi_watchdog [2022-11-18 19:46:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure touch_nmi_watchdog [2022-11-18 19:46:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure ips_online [2022-11-18 19:46:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_online [2022-11-18 19:46:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-18 19:46:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-18 19:46:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue_lck [2022-11-18 19:46:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue_lck [2022-11-18 19:46:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:46:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-18 19:46:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-18 19:46:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-18 19:46:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-18 19:46:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:46:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:46:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure ips_release [2022-11-18 19:46:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_release [2022-11-18 19:46:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-18 19:46:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-11-18 19:46:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-11-18 19:46:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 19:46:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 19:46:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-18 19:46:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-18 19:46:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 19:46:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 19:46:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure ips_isinit_morpheus [2022-11-18 19:46:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_isinit_morpheus [2022-11-18 19:46:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure ips_next [2022-11-18 19:46:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_next [2022-11-18 19:46:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 19:46:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 19:46:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-18 19:46:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-18 19:46:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 19:46:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure ips_clear_adapter [2022-11-18 19:46:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_clear_adapter [2022-11-18 19:46:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure ips_shift_controllers [2022-11-18 19:46:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_shift_controllers [2022-11-18 19:46:25,791 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_bios [2022-11-18 19:46:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_bios [2022-11-18 19:46:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-18 19:46:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-18 19:46:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_subsystem_parameters [2022-11-18 19:46:25,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_subsystem_parameters [2022-11-18 19:46:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 19:46:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure ips_write_driver_status [2022-11-18 19:46:25,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_write_driver_status [2022-11-18 19:46:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:46:25,793 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-18 19:46:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-18 19:46:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_copp_head [2022-11-18 19:46:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_copp_head [2022-11-18 19:46:25,794 INFO L130 BoogieDeclarations]: Found specification of procedure ips_free [2022-11-18 19:46:25,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_free [2022-11-18 19:46:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-11-18 19:46:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-11-18 19:46:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase2 [2022-11-18 19:46:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase2 [2022-11-18 19:46:25,795 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_adapter_status [2022-11-18 19:46:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_adapter_status [2022-11-18 19:46:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_phase1 [2022-11-18 19:46:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_phase1 [2022-11-18 19:46:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 19:46:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 19:46:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_read [2022-11-18 19:46:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_read [2022-11-18 19:46:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ips_abort_init [2022-11-18 19:46:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_abort_init [2022-11-18 19:46:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure ipsintr_done [2022-11-18 19:46:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ipsintr_done [2022-11-18 19:46:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure ips_deallocatescbs [2022-11-18 19:46:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_deallocatescbs [2022-11-18 19:46:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-18 19:46:25,798 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-18 19:46:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:46:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:46:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure ips_init_scb [2022-11-18 19:46:25,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_init_scb [2022-11-18 19:46:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure ips_insert_device [2022-11-18 19:46:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_insert_device [2022-11-18 19:46:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure ips_read_config [2022-11-18 19:46:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_read_config [2022-11-18 19:46:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_reset [2022-11-18 19:46:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_reset [2022-11-18 19:46:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-18 19:46:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-18 19:46:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure ips_usrcmd [2022-11-18 19:46:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_usrcmd [2022-11-18 19:46:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:46:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-18 19:46:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-18 19:46:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure ips_make_passthru [2022-11-18 19:46:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_make_passthru [2022-11-18 19:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-18 19:46:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-18 19:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead_memio [2022-11-18 19:46:25,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead_memio [2022-11-18 19:46:25,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-18 19:46:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-18 19:46:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ips_removeq_wait_head [2022-11-18 19:46:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_removeq_wait_head [2022-11-18 19:46:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure ips_eh_reset [2022-11-18 19:46:25,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_eh_reset [2022-11-18 19:46:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure ips_getscb [2022-11-18 19:46:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_getscb [2022-11-18 19:46:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure ips_info [2022-11-18 19:46:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_info [2022-11-18 19:46:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:46:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:46:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-18 19:46:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-18 19:46:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-18 19:46:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~uint32_t~0 [2022-11-18 19:46:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure __ips_eh_reset [2022-11-18 19:46:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __ips_eh_reset [2022-11-18 19:46:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-18 19:46:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-18 19:46:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:46:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-18 19:46:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-18 19:46:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ips_scmd_buf_write [2022-11-18 19:46:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_scmd_buf_write [2022-11-18 19:46:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-18 19:46:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-18 19:46:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fix_ffdc_time [2022-11-18 19:46:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fix_ffdc_time [2022-11-18 19:46:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2022-11-18 19:46:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2022-11-18 19:46:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:46:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reqsen [2022-11-18 19:46:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reqsen [2022-11-18 19:46:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-18 19:46:25,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-18 19:46:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:46:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 19:46:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-18 19:46:25,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-18 19:46:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:46:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:46:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-11-18 19:46:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-11-18 19:46:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-18 19:46:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-18 19:46:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:46:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-18 19:46:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure ips_fill_scb_sg_single [2022-11-18 19:46:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_fill_scb_sg_single [2022-11-18 19:46:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ips_remove_device [2022-11-18 19:46:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_remove_device [2022-11-18 19:46:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure ips_show_info [2022-11-18 19:46:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_show_info [2022-11-18 19:46:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure ips_chkstatus [2022-11-18 19:46:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_chkstatus [2022-11-18 19:46:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure ips_is_passthru [2022-11-18 19:46:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_is_passthru [2022-11-18 19:46:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ips_queue [2022-11-18 19:46:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_queue [2022-11-18 19:46:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_morpheus [2022-11-18 19:46:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_morpheus [2022-11-18 19:46:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ips_ffdc_time [2022-11-18 19:46:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_ffdc_time [2022-11-18 19:46:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure ips_biosparam [2022-11-18 19:46:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_biosparam [2022-11-18 19:46:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure sdev_channel [2022-11-18 19:46:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure sdev_channel [2022-11-18 19:46:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure ips_get_bios_version [2022-11-18 19:46:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_get_bios_version [2022-11-18 19:46:25,827 INFO L130 BoogieDeclarations]: Found specification of procedure ips_reset_copperhead [2022-11-18 19:46:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_reset_copperhead [2022-11-18 19:46:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 19:46:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 19:46:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 19:46:25,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-18 19:46:25,828 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-18 19:46:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-18 19:46:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-18 19:46:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-18 19:46:25,829 INFO L130 BoogieDeclarations]: Found specification of procedure __kunmap_atomic [2022-11-18 19:46:25,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __kunmap_atomic [2022-11-18 19:46:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-18 19:46:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-18 19:46:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure ips_flash_copperhead [2022-11-18 19:46:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ips_flash_copperhead [2022-11-18 19:46:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:46:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-18 19:46:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-18 19:46:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 19:46:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-18 19:46:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 19:46:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-18 19:46:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-18 19:46:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:46:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:46:27,345 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:46:27,355 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:46:29,929 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:52:48,875 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:52:48,898 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:52:48,898 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-18 19:52:48,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:48 BoogieIcfgContainer [2022-11-18 19:52:48,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:52:48,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:52:48,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:52:48,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:52:48,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:46:18" (1/3) ... [2022-11-18 19:52:48,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ceba1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:48, skipping insertion in model container [2022-11-18 19:52:48,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:46:24" (2/3) ... [2022-11-18 19:52:48,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ceba1c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:52:48, skipping insertion in model container [2022-11-18 19:52:48,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:52:48" (3/3) ... [2022-11-18 19:52:48,913 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--ips.ko-entry_point.cil.out.i [2022-11-18 19:52:48,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:52:48,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:52:49,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:52:49,040 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c8294cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:52:49,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:52:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand has 3326 states, 2459 states have (on average 1.4078893859292396) internal successors, (3462), 2578 states have internal predecessors, (3462), 738 states have call successors, (738), 134 states have call predecessors, (738), 133 states have return successors, (729), 717 states have call predecessors, (729), 729 states have call successors, (729) [2022-11-18 19:52:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-18 19:52:49,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:52:49,089 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:52:49,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:52:49,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:49,097 INFO L85 PathProgramCache]: Analyzing trace with hash -303476756, now seen corresponding path program 1 times [2022-11-18 19:52:49,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:49,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765381490] [2022-11-18 19:52:49,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:52:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:52:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:52:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:52:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:52:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:52:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:52:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 19:52:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:52:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 19:52:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:52:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:52:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:52:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-18 19:52:51,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:51,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765381490] [2022-11-18 19:52:51,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765381490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:51,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:51,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 19:52:51,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101282576] [2022-11-18 19:52:51,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:51,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 19:52:51,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:51,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 19:52:51,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 19:52:51,414 INFO L87 Difference]: Start difference. First operand has 3326 states, 2459 states have (on average 1.4078893859292396) internal successors, (3462), 2578 states have internal predecessors, (3462), 738 states have call successors, (738), 134 states have call predecessors, (738), 133 states have return successors, (729), 717 states have call predecessors, (729), 729 states have call successors, (729) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:52:53,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:52:55,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:52:58,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:02,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:03,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:05,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:17,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:19,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:21,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:32,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:35,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:43,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:53:55,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:09,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:10,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:12,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:16,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:22,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:54:22,990 INFO L93 Difference]: Finished difference Result 7388 states and 11335 transitions. [2022-11-18 19:54:22,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 19:54:22,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 186 [2022-11-18 19:54:22,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:54:23,057 INFO L225 Difference]: With dead ends: 7388 [2022-11-18 19:54:23,057 INFO L226 Difference]: Without dead ends: 4035 [2022-11-18 19:54:23,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:54:23,098 INFO L413 NwaCegarLoop]: 3688 mSDtfsCounter, 3062 mSDsluCounter, 5113 mSDsCounter, 0 mSdLazyCounter, 5370 mSolverCounterSat, 2346 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3145 SdHoareTripleChecker+Valid, 8801 SdHoareTripleChecker+Invalid, 7725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2346 IncrementalHoareTripleChecker+Valid, 5370 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:54:23,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3145 Valid, 8801 Invalid, 7725 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2346 Valid, 5370 Invalid, 9 Unknown, 0 Unchecked, 90.7s Time] [2022-11-18 19:54:23,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4035 states. [2022-11-18 19:54:23,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4035 to 3277. [2022-11-18 19:54:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3277 states, 2422 states have (on average 1.4025598678777869) internal successors, (3397), 2524 states have internal predecessors, (3397), 722 states have call successors, (722), 133 states have call predecessors, (722), 132 states have return successors, (721), 709 states have call predecessors, (721), 721 states have call successors, (721) [2022-11-18 19:54:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 3277 states and 4840 transitions. [2022-11-18 19:54:23,422 INFO L78 Accepts]: Start accepts. Automaton has 3277 states and 4840 transitions. Word has length 186 [2022-11-18 19:54:23,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:54:23,422 INFO L495 AbstractCegarLoop]: Abstraction has 3277 states and 4840 transitions. [2022-11-18 19:54:23,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-18 19:54:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 3277 states and 4840 transitions. [2022-11-18 19:54:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-11-18 19:54:23,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:54:23,439 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:54:23,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:54:23,439 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:54:23,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:54:23,440 INFO L85 PathProgramCache]: Analyzing trace with hash -97639428, now seen corresponding path program 1 times [2022-11-18 19:54:23,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:54:23,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719039581] [2022-11-18 19:54:23,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:54:23,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:54:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:54:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:54:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:54:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:54:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:54:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:54:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:54:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 19:54:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:54:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 19:54:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:54:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:24,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:54:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:25,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:54:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:54:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-18 19:54:25,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:54:25,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719039581] [2022-11-18 19:54:25,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719039581] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:54:25,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:54:25,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:54:25,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398906340] [2022-11-18 19:54:25,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:54:25,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:54:25,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:54:25,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:54:25,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:54:25,020 INFO L87 Difference]: Start difference. First operand 3277 states and 4840 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-18 19:54:27,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:29,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:32,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:33,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:35,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:36,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:54,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:54:56,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:05,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:07,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:17,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:55:28,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:03,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:04,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:08,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:21,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:56:21,978 INFO L93 Difference]: Finished difference Result 11111 states and 16800 transitions. [2022-11-18 19:56:21,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:56:21,979 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 186 [2022-11-18 19:56:21,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:56:22,066 INFO L225 Difference]: With dead ends: 11111 [2022-11-18 19:56:22,066 INFO L226 Difference]: Without dead ends: 7864 [2022-11-18 19:56:22,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:56:22,097 INFO L413 NwaCegarLoop]: 4251 mSDtfsCounter, 10297 mSDsluCounter, 8810 mSDsCounter, 0 mSdLazyCounter, 9279 mSolverCounterSat, 5373 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10723 SdHoareTripleChecker+Valid, 13061 SdHoareTripleChecker+Invalid, 14661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5373 IncrementalHoareTripleChecker+Valid, 9279 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:56:22,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10723 Valid, 13061 Invalid, 14661 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5373 Valid, 9279 Invalid, 9 Unknown, 0 Unchecked, 115.8s Time] [2022-11-18 19:56:22,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7864 states. [2022-11-18 19:56:22,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7864 to 6400. [2022-11-18 19:56:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6400 states, 4718 states have (on average 1.4018651971174227) internal successors, (6614), 4922 states have internal predecessors, (6614), 1417 states have call successors, (1417), 261 states have call predecessors, (1417), 264 states have return successors, (1448), 1394 states have call predecessors, (1448), 1416 states have call successors, (1448) [2022-11-18 19:56:22,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6400 states to 6400 states and 9479 transitions. [2022-11-18 19:56:22,484 INFO L78 Accepts]: Start accepts. Automaton has 6400 states and 9479 transitions. Word has length 186 [2022-11-18 19:56:22,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:56:22,487 INFO L495 AbstractCegarLoop]: Abstraction has 6400 states and 9479 transitions. [2022-11-18 19:56:22,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-18 19:56:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 6400 states and 9479 transitions. [2022-11-18 19:56:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-18 19:56:22,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:56:22,500 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:22,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:56:22,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:56:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1480469627, now seen corresponding path program 1 times [2022-11-18 19:56:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:22,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060687063] [2022-11-18 19:56:22,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:22,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:56:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:56:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:56:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:56:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:56:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:56:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:56:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 19:56:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:56:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 19:56:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:56:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:56:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:56:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-18 19:56:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:24,473 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2022-11-18 19:56:24,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:24,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060687063] [2022-11-18 19:56:24,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060687063] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:56:24,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:56:24,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:56:24,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666884242] [2022-11-18 19:56:24,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:56:24,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:56:24,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:24,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:56:24,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:56:24,477 INFO L87 Difference]: Start difference. First operand 6400 states and 9479 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:56:26,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:29,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:31,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:40,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:56:49,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:01,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:14,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:27,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:29,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:44,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:46,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:49,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:57:58,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:01,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:58:01,056 INFO L93 Difference]: Finished difference Result 21788 states and 32949 transitions. [2022-11-18 19:58:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 19:58:01,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 218 [2022-11-18 19:58:01,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:58:01,198 INFO L225 Difference]: With dead ends: 21788 [2022-11-18 19:58:01,198 INFO L226 Difference]: Without dead ends: 15418 [2022-11-18 19:58:01,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:58:01,252 INFO L413 NwaCegarLoop]: 4258 mSDtfsCounter, 9161 mSDsluCounter, 7400 mSDsCounter, 0 mSdLazyCounter, 8096 mSolverCounterSat, 3193 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9818 SdHoareTripleChecker+Valid, 11658 SdHoareTripleChecker+Invalid, 11295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3193 IncrementalHoareTripleChecker+Valid, 8096 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 95.3s IncrementalHoareTripleChecker+Time [2022-11-18 19:58:01,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9818 Valid, 11658 Invalid, 11295 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3193 Valid, 8096 Invalid, 6 Unknown, 0 Unchecked, 95.3s Time] [2022-11-18 19:58:01,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15418 states. [2022-11-18 19:58:02,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15418 to 12515. [2022-11-18 19:58:02,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12515 states, 9217 states have (on average 1.4009981555820765) internal successors, (12913), 9627 states have internal predecessors, (12913), 2771 states have call successors, (2771), 517 states have call predecessors, (2771), 526 states have return successors, (2838), 2726 states have call predecessors, (2838), 2770 states have call successors, (2838) [2022-11-18 19:58:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12515 states to 12515 states and 18522 transitions. [2022-11-18 19:58:02,210 INFO L78 Accepts]: Start accepts. Automaton has 12515 states and 18522 transitions. Word has length 218 [2022-11-18 19:58:02,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:58:02,211 INFO L495 AbstractCegarLoop]: Abstraction has 12515 states and 18522 transitions. [2022-11-18 19:58:02,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-18 19:58:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 12515 states and 18522 transitions. [2022-11-18 19:58:02,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-18 19:58:02,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:58:02,228 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 19:58:02,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:58:02,229 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:58:02,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:58:02,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1057291608, now seen corresponding path program 1 times [2022-11-18 19:58:02,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:58:02,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410113614] [2022-11-18 19:58:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:58:02,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:58:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:58:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:58:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:58:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:58:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:58:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:58:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:58:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 19:58:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 19:58:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:58:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:58:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 19:58:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:58:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:58:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:58:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2022-11-18 19:58:04,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:58:04,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410113614] [2022-11-18 19:58:04,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410113614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:58:04,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:58:04,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:58:04,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314579650] [2022-11-18 19:58:04,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:58:04,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:58:04,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:58:04,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:58:04,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:58:04,054 INFO L87 Difference]: Start difference. First operand 12515 states and 18522 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-18 19:58:06,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:08,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:11,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:24,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:34,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:42,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:44,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:58:53,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:03,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:05,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:09,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:13,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:59:13,239 INFO L93 Difference]: Finished difference Result 27901 states and 41989 transitions. [2022-11-18 19:59:13,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 19:59:13,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 217 [2022-11-18 19:59:13,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:59:13,381 INFO L225 Difference]: With dead ends: 27901 [2022-11-18 19:59:13,382 INFO L226 Difference]: Without dead ends: 15412 [2022-11-18 19:59:13,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:59:13,456 INFO L413 NwaCegarLoop]: 3705 mSDtfsCounter, 4753 mSDsluCounter, 5541 mSDsCounter, 0 mSdLazyCounter, 4785 mSolverCounterSat, 3556 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4833 SdHoareTripleChecker+Valid, 9246 SdHoareTripleChecker+Invalid, 8347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3556 IncrementalHoareTripleChecker+Valid, 4785 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:59:13,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4833 Valid, 9246 Invalid, 8347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3556 Valid, 4785 Invalid, 6 Unknown, 0 Unchecked, 68.1s Time] [2022-11-18 19:59:13,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15412 states. [2022-11-18 19:59:14,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15412 to 12500. [2022-11-18 19:59:14,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12500 states, 9204 states have (on average 1.4010212950890917) internal successors, (12895), 9615 states have internal predecessors, (12895), 2770 states have call successors, (2770), 516 states have call predecessors, (2770), 525 states have return successors, (2837), 2724 states have call predecessors, (2837), 2769 states have call successors, (2837) [2022-11-18 19:59:14,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12500 states to 12500 states and 18502 transitions. [2022-11-18 19:59:14,533 INFO L78 Accepts]: Start accepts. Automaton has 12500 states and 18502 transitions. Word has length 217 [2022-11-18 19:59:14,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:59:14,535 INFO L495 AbstractCegarLoop]: Abstraction has 12500 states and 18502 transitions. [2022-11-18 19:59:14,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-18 19:59:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12500 states and 18502 transitions. [2022-11-18 19:59:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-18 19:59:14,549 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:59:14,549 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-18 19:59:14,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:59:14,550 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:59:14,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:59:14,550 INFO L85 PathProgramCache]: Analyzing trace with hash -923278102, now seen corresponding path program 1 times [2022-11-18 19:59:14,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:59:14,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784839343] [2022-11-18 19:59:14,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:59:14,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:59:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:59:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:59:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 19:59:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-18 19:59:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 19:59:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-18 19:59:16,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:59:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-18 19:59:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-18 19:59:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-18 19:59:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-18 19:59:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-11-18 19:59:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:59:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-18 19:59:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:59:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2022-11-18 19:59:16,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:59:16,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784839343] [2022-11-18 19:59:16,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784839343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:59:16,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:59:16,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 19:59:16,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561983966] [2022-11-18 19:59:16,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:59:16,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 19:59:16,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:59:16,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 19:59:16,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-18 19:59:16,551 INFO L87 Difference]: Start difference. First operand 12500 states and 18502 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-18 19:59:18,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:20,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:23,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:26,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:44,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:59:47,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:01,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:12,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:14,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:16,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:17,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:19,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:21,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:35,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:38,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:00:44,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []