./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --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 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:32:21,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:32:21,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 22:32:21,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:32:21,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:32:21,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:32:21,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:32:21,902 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:32:21,903 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:32:21,909 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:32:21,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:32:21,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:32:21,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:32:21,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:32:21,913 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:32:21,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:32:21,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:32:21,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:32:21,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:32:21,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:32:21,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:32:21,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:32:21,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:32:21,920 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:32:21,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:32:21,922 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:32:21,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:32:21,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:32:21,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:21,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:32:21,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:32:21,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:32:21,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:32:21,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:32:21,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:32:21,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:32:21,928 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:32:21,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:32:21,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:32:21,928 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d54ec533bcab354bf7ab20b9139a2cc0ce3cf7423a4c806e696ce4b9d5812e9 [2023-11-23 22:32:22,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:32:22,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:32:22,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:32:22,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:32:22,351 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:32:22,352 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2023-11-23 22:32:25,691 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:32:26,295 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:32:26,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2023-11-23 22:32:26,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/data/5548271eb/c1587f524a244498872dd899a80b04a9/FLAG992990528 [2023-11-23 22:32:26,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/data/5548271eb/c1587f524a244498872dd899a80b04a9 [2023-11-23 22:32:26,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:32:26,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:32:26,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:26,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:32:26,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:32:26,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:26" (1/1) ... [2023-11-23 22:32:26,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119a969f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:26, skipping insertion in model container [2023-11-23 22:32:26,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:26" (1/1) ... [2023-11-23 22:32:26,496 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:32:27,890 WARN L240 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_21214baf-acdd-4614-8758-352b756ce57f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2023-11-23 22:32:28,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:28,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:32:28,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; incl %0": "+m" (v->counter)); [3103] [2023-11-23 22:32:28,440 WARN L240 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_21214baf-acdd-4614-8758-352b756ce57f/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i[129019,129032] [2023-11-23 22:32:28,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:28,598 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:32:28,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28 WrapperNode [2023-11-23 22:32:28,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:28,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:28,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:32:28,601 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:32:28,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,682 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,821 INFO L138 Inliner]: procedures = 176, calls = 882, calls flagged for inlining = 78, calls inlined = 65, statements flattened = 1592 [2023-11-23 22:32:28,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:28,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:32:28,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:32:28,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:32:28,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:28,854 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,002 INFO L189 HeapSplitter]: Split 402 memory accesses to 24 slices as follows [2, 0, 2, 56, 12, 49, 8, 27, 40, 16, 2, 3, 106, 1, 2, 8, 0, 4, 2, 8, 1, 8, 37, 8] [2023-11-23 22:32:29,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:32:29,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:32:29,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:32:29,285 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:32:29,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (1/1) ... [2023-11-23 22:32:29,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:29,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:29,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:29,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21214baf-acdd-4614-8758-352b756ce57f/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:32:29,377 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2023-11-23 22:32:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2023-11-23 22:32:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2023-11-23 22:32:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2023-11-23 22:32:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2023-11-23 22:32:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2023-11-23 22:32:29,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2023-11-23 22:32:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2023-11-23 22:32:29,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2023-11-23 22:32:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2023-11-23 22:32:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2023-11-23 22:32:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2023-11-23 22:32:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2023-11-23 22:32:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2023-11-23 22:32:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2023-11-23 22:32:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2023-11-23 22:32:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2023-11-23 22:32:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2023-11-23 22:32:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2023-11-23 22:32:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2023-11-23 22:32:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2023-11-23 22:32:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2023-11-23 22:32:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2023-11-23 22:32:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2023-11-23 22:32:29,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2023-11-23 22:32:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2023-11-23 22:32:29,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2023-11-23 22:32:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2023-11-23 22:32:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2023-11-23 22:32:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2023-11-23 22:32:29,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2023-11-23 22:32:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2023-11-23 22:32:29,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2023-11-23 22:32:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2023-11-23 22:32:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2023-11-23 22:32:29,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2023-11-23 22:32:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2023-11-23 22:32:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2023-11-23 22:32:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2023-11-23 22:32:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2023-11-23 22:32:29,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2023-11-23 22:32:29,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2023-11-23 22:32:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2023-11-23 22:32:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2023-11-23 22:32:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2023-11-23 22:32:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2023-11-23 22:32:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2023-11-23 22:32:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2023-11-23 22:32:29,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2023-11-23 22:32:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2023-11-23 22:32:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2023-11-23 22:32:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2023-11-23 22:32:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2023-11-23 22:32:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2023-11-23 22:32:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2023-11-23 22:32:29,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2023-11-23 22:32:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2023-11-23 22:32:29,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2023-11-23 22:32:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2023-11-23 22:32:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2023-11-23 22:32:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2023-11-23 22:32:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2023-11-23 22:32:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2023-11-23 22:32:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2023-11-23 22:32:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2023-11-23 22:32:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2023-11-23 22:32:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2023-11-23 22:32:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 22:32:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 22:32:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 22:32:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2023-11-23 22:32:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2023-11-23 22:32:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2023-11-23 22:32:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2023-11-23 22:32:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2023-11-23 22:32:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2023-11-23 22:32:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2023-11-23 22:32:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2023-11-23 22:32:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2023-11-23 22:32:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2023-11-23 22:32:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2023-11-23 22:32:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2023-11-23 22:32:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2023-11-23 22:32:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2023-11-23 22:32:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2023-11-23 22:32:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2023-11-23 22:32:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2023-11-23 22:32:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2023-11-23 22:32:29,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2023-11-23 22:32:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2023-11-23 22:32:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2023-11-23 22:32:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2023-11-23 22:32:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2023-11-23 22:32:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2023-11-23 22:32:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2023-11-23 22:32:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2023-11-23 22:32:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2023-11-23 22:32:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2023-11-23 22:32:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2023-11-23 22:32:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2023-11-23 22:32:29,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2023-11-23 22:32:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2023-11-23 22:32:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2023-11-23 22:32:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2023-11-23 22:32:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2023-11-23 22:32:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2023-11-23 22:32:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2023-11-23 22:32:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2023-11-23 22:32:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2023-11-23 22:32:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2023-11-23 22:32:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2023-11-23 22:32:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2023-11-23 22:32:29,408 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2023-11-23 22:32:29,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 22:32:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 22:32:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 22:32:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 22:32:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-23 22:32:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-23 22:32:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 22:32:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 22:32:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2023-11-23 22:32:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2023-11-23 22:32:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 22:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 22:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-23 22:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-23 22:32:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2023-11-23 22:32:29,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2023-11-23 22:32:29,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2023-11-23 22:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2023-11-23 22:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2023-11-23 22:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 22:32:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 22:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure class_remove_file [2023-11-23 22:32:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure class_remove_file [2023-11-23 22:32:29,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 22:32:29,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 22:32:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 22:32:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 22:32:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 22:32:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 22:32:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-23 22:32:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-23 22:32:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2023-11-23 22:32:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_open_lock_of_phantom_device [2023-11-23 22:32:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 22:32:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 22:32:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-23 22:32:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-23 22:32:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-23 22:32:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-23 22:32:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:32:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2023-11-23 22:32:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2023-11-23 22:32:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 22:32:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 22:32:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 22:32:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 22:32:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:32:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_status [2023-11-23 22:32:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_status [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-23 22:32:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2023-11-23 22:32:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2023-11-23 22:32:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 22:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_remove [2023-11-23 22:32:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_remove [2023-11-23 22:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_poll [2023-11-23 22:32:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_poll [2023-11-23 22:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 22:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 22:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 22:32:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-23 22:32:29,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2023-11-23 22:32:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2023-11-23 22:32:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2023-11-23 22:32:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2023-11-23 22:32:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2023-11-23 22:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2023-11-23 22:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-23 22:32:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-23 22:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-23 22:32:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-23 22:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 22:32:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 22:32:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 22:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 22:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 22:32:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 22:32:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-23 22:32:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-23 22:32:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-23 22:32:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-23 22:32:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-23 22:32:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-23 22:32:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-23 22:32:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-23 22:32:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2023-11-23 22:32:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2023-11-23 22:32:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2023-11-23 22:32:29,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2023-11-23 22:32:29,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2023-11-23 22:32:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-23 22:32:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-23 22:32:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2023-11-23 22:32:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2023-11-23 22:32:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 22:32:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 22:32:29,451 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 22:32:29,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-23 22:32:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-23 22:32:29,452 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-23 22:32:29,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2023-11-23 22:32:29,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2023-11-23 22:32:29,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2023-11-23 22:32:29,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2023-11-23 22:32:29,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2023-11-23 22:32:29,457 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2023-11-23 22:32:29,457 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2023-11-23 22:32:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:32:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:32:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure phantom_ioctl [2023-11-23 22:32:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure phantom_ioctl [2023-11-23 22:32:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phantom_mutex [2023-11-23 22:32:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phantom_mutex [2023-11-23 22:32:29,458 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 22:32:29,458 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 22:32:30,188 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:32:30,192 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:32:33,393 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:32:33,580 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:32:33,580 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:32:33,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:33 BoogieIcfgContainer [2023-11-23 22:32:33,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:32:33,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:32:33,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:32:33,588 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:32:33,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:32:26" (1/3) ... [2023-11-23 22:32:33,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1adcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:33, skipping insertion in model container [2023-11-23 22:32:33,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:28" (2/3) ... [2023-11-23 22:32:33,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d1adcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:33, skipping insertion in model container [2023-11-23 22:32:33,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:33" (3/3) ... [2023-11-23 22:32:33,591 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--phantom.ko-main.cil.out.i [2023-11-23 22:32:33,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:32:33,612 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:32:33,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:32:33,689 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=LoopHeads, 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;@273945b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:32:33,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:32:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand has 574 states, 381 states have (on average 1.4278215223097113) internal successors, (544), 400 states have internal predecessors, (544), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) [2023-11-23 22:32:33,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 22:32:33,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:33,709 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:33,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:33,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1783349655, now seen corresponding path program 1 times [2023-11-23 22:32:33,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:33,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353522258] [2023-11-23 22:32:33,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:33,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:34,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:34,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:34,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353522258] [2023-11-23 22:32:34,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353522258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:34,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:34,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:32:34,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437510751] [2023-11-23 22:32:34,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:34,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:34,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:34,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:34,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:34,429 INFO L87 Difference]: Start difference. First operand has 574 states, 381 states have (on average 1.4278215223097113) internal successors, (544), 400 states have internal predecessors, (544), 154 states have call successors, (154), 37 states have call predecessors, (154), 37 states have return successors, (154), 152 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:32:34,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:34,934 INFO L93 Difference]: Finished difference Result 1343 states and 2018 transitions. [2023-11-23 22:32:34,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:34,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-23 22:32:34,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:34,957 INFO L225 Difference]: With dead ends: 1343 [2023-11-23 22:32:34,957 INFO L226 Difference]: Without dead ends: 766 [2023-11-23 22:32:34,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:34,976 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 297 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:34,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 1470 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:32:34,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2023-11-23 22:32:35,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 746. [2023-11-23 22:32:35,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 493 states have (on average 1.4137931034482758) internal successors, (697), 519 states have internal predecessors, (697), 197 states have call successors, (197), 57 states have call predecessors, (197), 55 states have return successors, (187), 180 states have call predecessors, (187), 187 states have call successors, (187) [2023-11-23 22:32:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1081 transitions. [2023-11-23 22:32:35,144 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1081 transitions. Word has length 11 [2023-11-23 22:32:35,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:35,144 INFO L495 AbstractCegarLoop]: Abstraction has 746 states and 1081 transitions. [2023-11-23 22:32:35,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:32:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1081 transitions. [2023-11-23 22:32:35,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 22:32:35,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:35,151 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:35,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:32:35,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:35,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:35,152 INFO L85 PathProgramCache]: Analyzing trace with hash -827212043, now seen corresponding path program 1 times [2023-11-23 22:32:35,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:35,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493978794] [2023-11-23 22:32:35,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:35,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:35,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-23 22:32:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 22:32:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-23 22:32:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:35,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:35,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493978794] [2023-11-23 22:32:35,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493978794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:35,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:35,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 22:32:35,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777785406] [2023-11-23 22:32:35,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:35,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:35,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:35,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:35,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:35,497 INFO L87 Difference]: Start difference. First operand 746 states and 1081 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 22:32:35,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:35,879 INFO L93 Difference]: Finished difference Result 2149 states and 3110 transitions. [2023-11-23 22:32:35,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:35,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2023-11-23 22:32:35,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:35,892 INFO L225 Difference]: With dead ends: 2149 [2023-11-23 22:32:35,892 INFO L226 Difference]: Without dead ends: 1404 [2023-11-23 22:32:35,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:35,897 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 793 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1484 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:35,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1484 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 22:32:35,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2023-11-23 22:32:35,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1397. [2023-11-23 22:32:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 936 states have (on average 1.4123931623931625) internal successors, (1322), 974 states have internal predecessors, (1322), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2023-11-23 22:32:36,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 2018 transitions. [2023-11-23 22:32:36,002 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 2018 transitions. Word has length 27 [2023-11-23 22:32:36,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:36,002 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 2018 transitions. [2023-11-23 22:32:36,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 22:32:36,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2018 transitions. [2023-11-23 22:32:36,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 22:32:36,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:36,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:36,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:32:36,006 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:36,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:36,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1463987144, now seen corresponding path program 1 times [2023-11-23 22:32:36,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:36,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590558355] [2023-11-23 22:32:36,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:36,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:36,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:36,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:36,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:36,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590558355] [2023-11-23 22:32:36,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590558355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:36,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:36,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:36,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921761446] [2023-11-23 22:32:36,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:36,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:36,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:36,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:36,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:36,270 INFO L87 Difference]: Start difference. First operand 1397 states and 2018 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 22:32:37,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:37,340 INFO L93 Difference]: Finished difference Result 1481 states and 2154 transitions. [2023-11-23 22:32:37,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:32:37,340 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2023-11-23 22:32:37,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:37,350 INFO L225 Difference]: With dead ends: 1481 [2023-11-23 22:32:37,350 INFO L226 Difference]: Without dead ends: 1468 [2023-11-23 22:32:37,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:37,354 INFO L413 NwaCegarLoop]: 713 mSDtfsCounter, 784 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 904 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:37,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [904 Valid, 1157 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:32:37,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2023-11-23 22:32:37,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 1397. [2023-11-23 22:32:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1397 states, 936 states have (on average 1.4102564102564104) internal successors, (1320), 974 states have internal predecessors, (1320), 353 states have call successors, (353), 110 states have call predecessors, (353), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2023-11-23 22:32:37,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 2016 transitions. [2023-11-23 22:32:37,476 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 2016 transitions. Word has length 35 [2023-11-23 22:32:37,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:37,477 INFO L495 AbstractCegarLoop]: Abstraction has 1397 states and 2016 transitions. [2023-11-23 22:32:37,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-23 22:32:37,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2016 transitions. [2023-11-23 22:32:37,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 22:32:37,480 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:37,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:37,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:32:37,480 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:37,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:37,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1406728842, now seen corresponding path program 1 times [2023-11-23 22:32:37,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:37,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111755716] [2023-11-23 22:32:37,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:37,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:37,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:37,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:37,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111755716] [2023-11-23 22:32:37,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111755716] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:37,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:37,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:37,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631051988] [2023-11-23 22:32:37,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:37,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:37,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:37,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:37,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:37,692 INFO L87 Difference]: Start difference. First operand 1397 states and 2016 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:38,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:38,772 INFO L93 Difference]: Finished difference Result 1457 states and 2121 transitions. [2023-11-23 22:32:38,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:32:38,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2023-11-23 22:32:38,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:38,784 INFO L225 Difference]: With dead ends: 1457 [2023-11-23 22:32:38,784 INFO L226 Difference]: Without dead ends: 1454 [2023-11-23 22:32:38,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:38,787 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 769 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 216 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 885 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 216 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:38,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [885 Valid, 1116 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [216 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:32:38,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1454 states. [2023-11-23 22:32:38,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1454 to 1396. [2023-11-23 22:32:38,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 936 states have (on average 1.4091880341880343) internal successors, (1319), 973 states have internal predecessors, (1319), 352 states have call successors, (352), 110 states have call predecessors, (352), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2023-11-23 22:32:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 2014 transitions. [2023-11-23 22:32:38,937 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 2014 transitions. Word has length 35 [2023-11-23 22:32:38,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:38,937 INFO L495 AbstractCegarLoop]: Abstraction has 1396 states and 2014 transitions. [2023-11-23 22:32:38,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:38,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 2014 transitions. [2023-11-23 22:32:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 22:32:38,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:38,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:38,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:32:38,942 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:38,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:38,942 INFO L85 PathProgramCache]: Analyzing trace with hash -659239291, now seen corresponding path program 1 times [2023-11-23 22:32:38,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:38,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534076448] [2023-11-23 22:32:38,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:38,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:39,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:39,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:39,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:39,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:39,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534076448] [2023-11-23 22:32:39,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534076448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:39,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:39,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:39,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651866517] [2023-11-23 22:32:39,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:39,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:39,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:39,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:39,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:39,161 INFO L87 Difference]: Start difference. First operand 1396 states and 2014 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:40,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:40,250 INFO L93 Difference]: Finished difference Result 1456 states and 2119 transitions. [2023-11-23 22:32:40,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:32:40,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2023-11-23 22:32:40,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:40,262 INFO L225 Difference]: With dead ends: 1456 [2023-11-23 22:32:40,263 INFO L226 Difference]: Without dead ends: 1453 [2023-11-23 22:32:40,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:40,266 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 766 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:40,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 1113 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:32:40,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2023-11-23 22:32:40,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 1395. [2023-11-23 22:32:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 936 states have (on average 1.4081196581196582) internal successors, (1318), 972 states have internal predecessors, (1318), 351 states have call successors, (351), 110 states have call predecessors, (351), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2023-11-23 22:32:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 2012 transitions. [2023-11-23 22:32:40,393 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 2012 transitions. Word has length 36 [2023-11-23 22:32:40,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:40,394 INFO L495 AbstractCegarLoop]: Abstraction has 1395 states and 2012 transitions. [2023-11-23 22:32:40,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:40,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2012 transitions. [2023-11-23 22:32:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 22:32:40,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:40,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:40,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 22:32:40,397 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:40,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:40,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1038105177, now seen corresponding path program 1 times [2023-11-23 22:32:40,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:40,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805877408] [2023-11-23 22:32:40,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:40,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:40,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:40,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:40,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805877408] [2023-11-23 22:32:40,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805877408] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:40,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:40,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:40,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697155690] [2023-11-23 22:32:40,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:40,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:40,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:40,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:40,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:40,664 INFO L87 Difference]: Start difference. First operand 1395 states and 2012 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:41,834 INFO L93 Difference]: Finished difference Result 1455 states and 2117 transitions. [2023-11-23 22:32:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:32:41,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2023-11-23 22:32:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:41,845 INFO L225 Difference]: With dead ends: 1455 [2023-11-23 22:32:41,846 INFO L226 Difference]: Without dead ends: 1452 [2023-11-23 22:32:41,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:41,848 INFO L413 NwaCegarLoop]: 693 mSDtfsCounter, 763 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 879 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:41,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [879 Valid, 1110 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 22:32:41,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1452 states. [2023-11-23 22:32:41,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1452 to 1394. [2023-11-23 22:32:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1394 states, 936 states have (on average 1.4070512820512822) internal successors, (1317), 971 states have internal predecessors, (1317), 350 states have call successors, (350), 110 states have call predecessors, (350), 107 states have return successors, (343), 330 states have call predecessors, (343), 343 states have call successors, (343) [2023-11-23 22:32:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 2010 transitions. [2023-11-23 22:32:41,966 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 2010 transitions. Word has length 37 [2023-11-23 22:32:41,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:41,967 INFO L495 AbstractCegarLoop]: Abstraction has 1394 states and 2010 transitions. [2023-11-23 22:32:41,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:41,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2010 transitions. [2023-11-23 22:32:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 22:32:41,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:41,969 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:41,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 22:32:41,969 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:41,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:41,970 INFO L85 PathProgramCache]: Analyzing trace with hash 2116181000, now seen corresponding path program 1 times [2023-11-23 22:32:41,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:41,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828930308] [2023-11-23 22:32:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:41,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:42,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:42,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828930308] [2023-11-23 22:32:42,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828930308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:42,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:42,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:42,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295137524] [2023-11-23 22:32:42,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:42,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:42,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:42,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:42,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:42,143 INFO L87 Difference]: Start difference. First operand 1394 states and 2010 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:43,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:43,990 INFO L93 Difference]: Finished difference Result 4241 states and 6157 transitions. [2023-11-23 22:32:43,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:32:43,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2023-11-23 22:32:43,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:44,015 INFO L225 Difference]: With dead ends: 4241 [2023-11-23 22:32:44,015 INFO L226 Difference]: Without dead ends: 2848 [2023-11-23 22:32:44,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:44,026 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 815 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 346 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1748 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 346 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:44,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1748 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [346 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 22:32:44,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2023-11-23 22:32:44,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2722. [2023-11-23 22:32:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2722 states, 1838 states have (on average 1.4075081610446136) internal successors, (2587), 1904 states have internal predecessors, (2587), 671 states have call successors, (671), 218 states have call predecessors, (671), 212 states have return successors, (662), 635 states have call predecessors, (662), 662 states have call successors, (662) [2023-11-23 22:32:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2722 states and 3920 transitions. [2023-11-23 22:32:44,308 INFO L78 Accepts]: Start accepts. Automaton has 2722 states and 3920 transitions. Word has length 38 [2023-11-23 22:32:44,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:44,309 INFO L495 AbstractCegarLoop]: Abstraction has 2722 states and 3920 transitions. [2023-11-23 22:32:44,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:44,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 3920 transitions. [2023-11-23 22:32:44,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 22:32:44,312 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:44,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:44,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:32:44,313 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:44,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:44,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1176798012, now seen corresponding path program 1 times [2023-11-23 22:32:44,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:44,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609618484] [2023-11-23 22:32:44,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:44,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:44,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:44,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:44,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:44,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609618484] [2023-11-23 22:32:44,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609618484] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:44,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:44,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:44,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102240063] [2023-11-23 22:32:44,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:44,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:44,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:44,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:44,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:44,528 INFO L87 Difference]: Start difference. First operand 2722 states and 3920 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:45,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:45,649 INFO L93 Difference]: Finished difference Result 2875 states and 4151 transitions. [2023-11-23 22:32:45,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:32:45,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2023-11-23 22:32:45,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:45,669 INFO L225 Difference]: With dead ends: 2875 [2023-11-23 22:32:45,669 INFO L226 Difference]: Without dead ends: 2831 [2023-11-23 22:32:45,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:45,672 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 723 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:45,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 1134 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-23 22:32:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2023-11-23 22:32:45,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 2698. [2023-11-23 22:32:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2698 states, 1825 states have (on average 1.4032876712328768) internal successors, (2561), 1887 states have internal predecessors, (2561), 656 states have call successors, (656), 222 states have call predecessors, (656), 216 states have return successors, (649), 624 states have call predecessors, (649), 649 states have call successors, (649) [2023-11-23 22:32:45,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 2698 states and 3866 transitions. [2023-11-23 22:32:45,913 INFO L78 Accepts]: Start accepts. Automaton has 2698 states and 3866 transitions. Word has length 39 [2023-11-23 22:32:45,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:45,914 INFO L495 AbstractCegarLoop]: Abstraction has 2698 states and 3866 transitions. [2023-11-23 22:32:45,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 22:32:45,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3866 transitions. [2023-11-23 22:32:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-23 22:32:45,918 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:45,919 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:45,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 22:32:45,919 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:45,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:45,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1725161855, now seen corresponding path program 1 times [2023-11-23 22:32:45,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:45,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023843425] [2023-11-23 22:32:45,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-23 22:32:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 22:32:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-23 22:32:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-23 22:32:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-23 22:32:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:32:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 22:32:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 22:32:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-23 22:32:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-23 22:32:46,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:46,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023843425] [2023-11-23 22:32:46,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023843425] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:46,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:46,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:46,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089487359] [2023-11-23 22:32:46,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:46,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:46,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:46,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:46,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:46,180 INFO L87 Difference]: Start difference. First operand 2698 states and 3866 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 22:32:48,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:48,010 INFO L93 Difference]: Finished difference Result 7180 states and 10348 transitions. [2023-11-23 22:32:48,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:32:48,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 119 [2023-11-23 22:32:48,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:48,045 INFO L225 Difference]: With dead ends: 7180 [2023-11-23 22:32:48,045 INFO L226 Difference]: Without dead ends: 4483 [2023-11-23 22:32:48,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:48,057 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 601 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:48,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 2188 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 22:32:48,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4483 states. [2023-11-23 22:32:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4483 to 4308. [2023-11-23 22:32:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4308 states, 2961 states have (on average 1.4170888213441406) internal successors, (4196), 3044 states have internal predecessors, (4196), 1007 states have call successors, (1007), 345 states have call predecessors, (1007), 339 states have return successors, (1000), 966 states have call predecessors, (1000), 1000 states have call successors, (1000) [2023-11-23 22:32:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4308 states to 4308 states and 6203 transitions. [2023-11-23 22:32:48,492 INFO L78 Accepts]: Start accepts. Automaton has 4308 states and 6203 transitions. Word has length 119 [2023-11-23 22:32:48,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:48,493 INFO L495 AbstractCegarLoop]: Abstraction has 4308 states and 6203 transitions. [2023-11-23 22:32:48,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 22:32:48,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4308 states and 6203 transitions. [2023-11-23 22:32:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 22:32:48,504 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:48,504 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:48,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-23 22:32:48,505 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:48,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash -476080932, now seen corresponding path program 1 times [2023-11-23 22:32:48,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:48,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002395820] [2023-11-23 22:32:48,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:48,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 22:32:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:32:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 22:32:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 22:32:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 22:32:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 22:32:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 22:32:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 22:32:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 22:32:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:49,269 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 22:32:49,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:49,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002395820] [2023-11-23 22:32:49,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002395820] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:49,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:49,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:32:49,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799882708] [2023-11-23 22:32:49,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:49,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:32:49,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:49,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:32:49,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:49,275 INFO L87 Difference]: Start difference. First operand 4308 states and 6203 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-23 22:32:50,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:50,955 INFO L93 Difference]: Finished difference Result 7549 states and 11030 transitions. [2023-11-23 22:32:50,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 22:32:50,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 149 [2023-11-23 22:32:50,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:50,981 INFO L225 Difference]: With dead ends: 7549 [2023-11-23 22:32:50,981 INFO L226 Difference]: Without dead ends: 3242 [2023-11-23 22:32:50,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:32:50,995 INFO L413 NwaCegarLoop]: 969 mSDtfsCounter, 348 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 972 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 2993 SdHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:50,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 2993 Invalid, 1130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 972 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-23 22:32:51,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2023-11-23 22:32:51,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 2382. [2023-11-23 22:32:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 1620 states have (on average 1.3950617283950617) internal successors, (2260), 1660 states have internal predecessors, (2260), 560 states have call successors, (560), 205 states have call predecessors, (560), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2023-11-23 22:32:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3376 transitions. [2023-11-23 22:32:51,225 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3376 transitions. Word has length 149 [2023-11-23 22:32:51,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:51,227 INFO L495 AbstractCegarLoop]: Abstraction has 2382 states and 3376 transitions. [2023-11-23 22:32:51,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-23 22:32:51,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3376 transitions. [2023-11-23 22:32:51,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-23 22:32:51,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:51,232 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:51,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-23 22:32:51,233 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:51,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:51,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1285427558, now seen corresponding path program 1 times [2023-11-23 22:32:51,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:51,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278000968] [2023-11-23 22:32:51,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:51,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 22:32:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:32:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 22:32:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 22:32:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 22:32:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 22:32:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 22:32:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 22:32:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 22:32:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:51,666 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 22:32:51,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:51,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278000968] [2023-11-23 22:32:51,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278000968] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:51,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:51,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:51,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639217478] [2023-11-23 22:32:51,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:51,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:51,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:51,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:51,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:51,670 INFO L87 Difference]: Start difference. First operand 2382 states and 3376 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 22:32:52,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:52,844 INFO L93 Difference]: Finished difference Result 2449 states and 3487 transitions. [2023-11-23 22:32:52,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:32:52,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 149 [2023-11-23 22:32:52,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:52,861 INFO L225 Difference]: With dead ends: 2449 [2023-11-23 22:32:52,861 INFO L226 Difference]: Without dead ends: 2446 [2023-11-23 22:32:52,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:52,864 INFO L413 NwaCegarLoop]: 681 mSDtfsCounter, 124 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:52,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 1629 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 22:32:52,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2023-11-23 22:32:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2381. [2023-11-23 22:32:53,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1620 states have (on average 1.3925925925925926) internal successors, (2256), 1659 states have internal predecessors, (2256), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2023-11-23 22:32:53,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3371 transitions. [2023-11-23 22:32:53,080 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3371 transitions. Word has length 149 [2023-11-23 22:32:53,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:53,080 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 3371 transitions. [2023-11-23 22:32:53,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 22:32:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3371 transitions. [2023-11-23 22:32:53,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 22:32:53,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:53,086 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:53,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-23 22:32:53,087 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:53,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:53,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1236030918, now seen corresponding path program 1 times [2023-11-23 22:32:53,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:53,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615004701] [2023-11-23 22:32:53,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:53,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 22:32:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:32:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 22:32:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 22:32:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 22:32:53,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 22:32:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 22:32:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 22:32:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 22:32:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 22:32:53,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:53,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615004701] [2023-11-23 22:32:53,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615004701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:53,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:53,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:53,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138119456] [2023-11-23 22:32:53,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:53,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:53,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:53,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:53,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:53,528 INFO L87 Difference]: Start difference. First operand 2381 states and 3371 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-23 22:32:54,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:54,760 INFO L93 Difference]: Finished difference Result 2446 states and 3481 transitions. [2023-11-23 22:32:54,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:32:54,761 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 150 [2023-11-23 22:32:54,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:54,789 INFO L225 Difference]: With dead ends: 2446 [2023-11-23 22:32:54,790 INFO L226 Difference]: Without dead ends: 2443 [2023-11-23 22:32:54,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:54,793 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 145 mSDsluCounter, 952 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 1621 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:54,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 1621 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 22:32:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2443 states. [2023-11-23 22:32:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2443 to 2381. [2023-11-23 22:32:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1620 states have (on average 1.3876543209876544) internal successors, (2248), 1659 states have internal predecessors, (2248), 559 states have call successors, (559), 205 states have call predecessors, (559), 201 states have return successors, (556), 540 states have call predecessors, (556), 556 states have call successors, (556) [2023-11-23 22:32:55,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3363 transitions. [2023-11-23 22:32:55,042 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3363 transitions. Word has length 150 [2023-11-23 22:32:55,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:55,043 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 3363 transitions. [2023-11-23 22:32:55,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-23 22:32:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3363 transitions. [2023-11-23 22:32:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-23 22:32:55,050 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:55,050 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:55,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-23 22:32:55,051 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:32:55,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:55,052 INFO L85 PathProgramCache]: Analyzing trace with hash -555972548, now seen corresponding path program 1 times [2023-11-23 22:32:55,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:55,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426747064] [2023-11-23 22:32:55,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:55,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 22:32:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 22:32:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-23 22:32:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-23 22:32:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-11-23 22:32:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-23 22:32:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-11-23 22:32:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-11-23 22:32:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-23 22:32:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-23 22:32:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-11-23 22:32:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-23 22:32:55,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:55,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426747064] [2023-11-23 22:32:55,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426747064] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:55,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:55,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 22:32:55,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536826396] [2023-11-23 22:32:55,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:55,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 22:32:55,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:55,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 22:32:55,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:55,613 INFO L87 Difference]: Start difference. First operand 2381 states and 3363 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-23 22:32:57,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:57,237 INFO L93 Difference]: Finished difference Result 3241 states and 4811 transitions. [2023-11-23 22:32:57,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 22:32:57,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 150 [2023-11-23 22:32:57,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:57,239 INFO L225 Difference]: With dead ends: 3241 [2023-11-23 22:32:57,240 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 22:32:57,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-23 22:32:57,254 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 301 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 2998 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:57,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 2998 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 22:32:57,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 22:32:57,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 22:32:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:32:57,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 22:32:57,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2023-11-23 22:32:57,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:57,257 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:32:57,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-11-23 22:32:57,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 22:32:57,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 22:32:57,260 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:32:57,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-23 22:32:57,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.