./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu --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 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:04,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:04,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-19 07:35:04,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:04,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:04,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:04,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:04,831 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:04,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:35:04,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:35:04,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:04,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:04,842 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:04,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:04,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:35:04,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:04,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:04,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:35:04,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:35:04,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:35:04,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:04,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:04,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:04,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:04,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:35:04,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:04,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:04,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:35:04,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:35:04,851 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:04,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:35:04,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:35:04,852 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:35:04,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:35:04,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:35:04,853 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:35:04,853 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_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c74f17ad80d26d3384a467dad9313e9d7d1be91817d15d75e196d6ef78bc5b2 [2023-11-19 07:35:05,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:05,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:05,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:05,167 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:05,168 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:05,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2023-11-19 07:35:08,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:09,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:09,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2023-11-19 07:35:09,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/data/34b541dcd/910a4bb2046c4268ad4d6641a31ac3b8/FLAG3089409e0 [2023-11-19 07:35:09,138 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/data/34b541dcd/910a4bb2046c4268ad4d6641a31ac3b8 [2023-11-19 07:35:09,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:09,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:09,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:09,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:09,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:09,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:09" (1/1) ... [2023-11-19 07:35:09,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26fc637e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:09, skipping insertion in model container [2023-11-19 07:35:09,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:09" (1/1) ... [2023-11-19 07:35:09,330 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:11,955 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_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2023-11-19 07:35:12,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:12,097 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:12,251 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; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [3921] [2023-11-19 07:35:12,254 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [3928] [2023-11-19 07:35:12,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4175] [2023-11-19 07:35:12,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4182] [2023-11-19 07:35:12,604 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6885] [2023-11-19 07:35:12,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6888] [2023-11-19 07:35:12,608 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6918] [2023-11-19 07:35:12,611 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6939] [2023-11-19 07:35:12,614 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [6965] [2023-11-19 07:35:12,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7072] [2023-11-19 07:35:12,651 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7271] [2023-11-19 07:35:12,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7400] [2023-11-19 07:35:12,660 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7422] [2023-11-19 07:35:12,663 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7472] [2023-11-19 07:35:12,674 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7612] [2023-11-19 07:35:12,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7729] [2023-11-19 07:35:12,711 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("sfence": : : "memory"); [7845] [2023-11-19 07:35:12,888 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_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i[315625,315638] [2023-11-19 07:35:12,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:13,028 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:13,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13 WrapperNode [2023-11-19 07:35:13,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:13,031 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:13,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:13,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:13,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:13,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:13,550 INFO L138 Inliner]: procedures = 259, calls = 4523, calls flagged for inlining = 105, calls inlined = 100, statements flattened = 9675 [2023-11-19 07:35:13,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:13,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:13,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:13,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:13,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:13,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:13,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:13,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:13,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:13,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:14,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:14,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:14,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:14,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:14,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:14,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:14,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (1/1) ... [2023-11-19 07:35:14,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:35:14,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:14,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:14,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8e345cd-313b-4b0e-8e60-4e36a991e7f5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure hcd_to_ohci [2023-11-19 07:35:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hcd_to_ohci [2023-11-19 07:35:14,221 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-19 07:35:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-19 07:35:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure start_ed_unlink [2023-11-19 07:35:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure start_ed_unlink [2023-11-19 07:35:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_status [2023-11-19 07:35:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_status [2023-11-19 07:35:14,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 07:35:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 07:35:14,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 07:35:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 07:35:14,225 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2023-11-19 07:35:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2023-11-19 07:35:14,226 INFO L130 BoogieDeclarations]: Found specification of procedure show_list [2023-11-19 07:35:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure show_list [2023-11-19 07:35:14,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-19 07:35:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-19 07:35:14,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 07:35:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 07:35:14,230 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2023-11-19 07:35:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2023-11-19 07:35:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpup [2023-11-19 07:35:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpup [2023-11-19 07:35:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure hcfs2string [2023-11-19 07:35:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure hcfs2string [2023-11-19 07:35:14,231 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_zfmicro [2023-11-19 07:35:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_zfmicro [2023-11-19 07:35:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_status_data [2023-11-19 07:35:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_status_data [2023-11-19 07:35:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_shutdown [2023-11-19 07:35:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_shutdown [2023-11-19 07:35:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 07:35:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 07:35:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-19 07:35:14,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-19 07:35:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_intr_mask [2023-11-19 07:35:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_intr_mask [2023-11-19 07:35:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_buffer [2023-11-19 07:35:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_buffer [2023-11-19 07:35:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_writel [2023-11-19 07:35:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_writel [2023-11-19 07:35:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-19 07:35:14,234 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-19 07:35:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 07:35:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 07:35:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hwPSWp [2023-11-19 07:35:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hwPSWp [2023-11-19 07:35:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:35:14,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:35:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure debug_output [2023-11-19 07:35:14,236 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_output [2023-11-19 07:35:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure ed_schedule [2023-11-19 07:35:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_schedule [2023-11-19 07:35:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2023-11-19 07:35:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2023-11-19 07:35:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_roothub [2023-11-19 07:35:14,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_roothub [2023-11-19 07:35:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:35:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop [2023-11-19 07:35:14,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop [2023-11-19 07:35:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 07:35:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 07:35:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:35:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_create [2023-11-19 07:35:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_create [2023-11-19 07:35:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-19 07:35:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-19 07:35:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_nec [2023-11-19 07:35:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_nec [2023-11-19 07:35:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_restart [2023-11-19 07:35:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_restart [2023-11-19 07:35:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:35:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:35:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_destroy [2023-11-19 07:35:14,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_destroy [2023-11-19 07:35:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure update_done_list [2023-11-19 07:35:14,243 INFO L138 BoogieDeclarations]: Found implementation of procedure update_done_list [2023-11-19 07:35:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure td_free [2023-11-19 07:35:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure td_free [2023-11-19 07:35:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:35:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_resume [2023-11-19 07:35:14,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_resume [2023-11-19 07:35:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:35:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_portstatus [2023-11-19 07:35:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_portstatus [2023-11-19 07:35:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hc_died [2023-11-19 07:35:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hc_died [2023-11-19 07:35:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2023-11-19 07:35:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2023-11-19 07:35:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-19 07:35:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-19 07:35:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-11-19 07:35:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-11-19 07:35:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2023-11-19 07:35:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2023-11-19 07:35:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 07:35:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 07:35:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure ed_free [2023-11-19 07:35:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_free [2023-11-19 07:35:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:35:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:35:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start [2023-11-19 07:35:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start [2023-11-19 07:35:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump [2023-11-19 07:35:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump [2023-11-19 07:35:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_setup [2023-11-19 07:35:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_setup [2023-11-19 07:35:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_frame_no [2023-11-19 07:35:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_frame_no [2023-11-19 07:35:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2023-11-19 07:35:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2023-11-19 07:35:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure sb800_prefetch [2023-11-19 07:35:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure sb800_prefetch [2023-11-19 07:35:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2023-11-19 07:35:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2023-11-19 07:35:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_hub_control [2023-11-19 07:35:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_hub_control [2023-11-19 07:35:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 07:35:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_unlink_urb_from_ep [2023-11-19 07:35:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:35:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure finish_urb [2023-11-19 07:35:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_urb [2023-11-19 07:35:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-19 07:35:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-19 07:35:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_rh_suspend [2023-11-19 07:35:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_rh_suspend [2023-11-19 07:35:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_a [2023-11-19 07:35:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_a [2023-11-19 07:35:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_irq [2023-11-19 07:35:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_irq [2023-11-19 07:35:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure rh_state_string [2023-11-19 07:35:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rh_state_string [2023-11-19 07:35:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure roothub_b [2023-11-19 07:35:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure roothub_b [2023-11-19 07:35:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_enqueue [2023-11-19 07:35:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_enqueue [2023-11-19 07:35:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_port_reset [2023-11-19 07:35:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_port_reset [2023-11-19 07:35:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_to_hcd [2023-11-19 07:35:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_to_hcd [2023-11-19 07:35:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-19 07:35:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-19 07:35:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure td_alloc [2023-11-19 07:35:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure td_alloc [2023-11-19 07:35:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure find_head [2023-11-19 07:35:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure find_head [2023-11-19 07:35:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2023-11-19 07:35:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2023-11-19 07:35:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 07:35:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 07:35:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_run [2023-11-19 07:35:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_run [2023-11-19 07:35:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2023-11-19 07:35:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2023-11-19 07:35:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_endpoint_disable [2023-11-19 07:35:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_endpoint_disable [2023-11-19 07:35:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:35:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2023-11-19 07:35:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2023-11-19 07:35:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdprefetch [2023-11-19 07:35:14,278 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdprefetch [2023-11-19 07:35:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-19 07:35:14,278 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-19 07:35:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 07:35:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 07:35:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2023-11-19 07:35:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2023-11-19 07:35:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-19 07:35:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-19 07:35:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure add_to_done_list [2023-11-19 07:35:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure add_to_done_list [2023-11-19 07:35:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure _ohci_readl [2023-11-19 07:35:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _ohci_readl [2023-11-19 07:35:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:35:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2023-11-19 07:35:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2023-11-19 07:35:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_poll_rh_status [2023-11-19 07:35:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_poll_rh_status [2023-11-19 07:35:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-19 07:35:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-19 07:35:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2023-11-19 07:35:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2023-11-19 07:35:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure periodic_reinit [2023-11-19 07:35:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure periodic_reinit [2023-11-19 07:35:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2023-11-19 07:35:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2023-11-19 07:35:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-19 07:35:14,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-19 07:35:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:35:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure td_done [2023-11-19 07:35:14,283 INFO L138 BoogieDeclarations]: Found implementation of procedure td_done [2023-11-19 07:35:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure td_fill [2023-11-19 07:35:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure td_fill [2023-11-19 07:35:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_urb_dequeue [2023-11-19 07:35:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_urb_dequeue [2023-11-19 07:35:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_init [2023-11-19 07:35:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_init [2023-11-19 07:35:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-19 07:35:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-19 07:35:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_work [2023-11-19 07:35:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_work [2023-11-19 07:35:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure scnprintf [2023-11-19 07:35:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprintf [2023-11-19 07:35:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure quirk_amdiso [2023-11-19 07:35:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure quirk_amdiso [2023-11-19 07:35:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2023-11-19 07:35:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2023-11-19 07:35:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-19 07:35:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-19 07:35:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure ed_deschedule [2023-11-19 07:35:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ed_deschedule [2023-11-19 07:35:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure usb_hcd_resume_root_hub [2023-11-19 07:35:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_hcd_resume_root_hub [2023-11-19 07:35:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-11-19 07:35:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-11-19 07:35:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure urb_free_priv [2023-11-19 07:35:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_free_priv [2023-11-19 07:35:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure hc32_to_cpu [2023-11-19 07:35:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure hc32_to_cpu [2023-11-19 07:35:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_dump_status [2023-11-19 07:35:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_dump_status [2023-11-19 07:35:14,288 INFO L130 BoogieDeclarations]: Found specification of procedure maybe_print_eds [2023-11-19 07:35:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure maybe_print_eds [2023-11-19 07:35:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure debug_close [2023-11-19 07:35:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_close [2023-11-19 07:35:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_get_frame [2023-11-19 07:35:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_get_frame [2023-11-19 07:35:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-19 07:35:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-19 07:35:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-19 07:35:14,407 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-19 07:35:14,407 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_to_hc32 [2023-11-19 07:35:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_to_hc32 [2023-11-19 07:35:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:35:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:35:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_usb_reset [2023-11-19 07:35:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_usb_reset [2023-11-19 07:35:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_resume [2023-11-19 07:35:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_resume [2023-11-19 07:35:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 07:35:14,408 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 07:35:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_bus_suspend [2023-11-19 07:35:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_bus_suspend [2023-11-19 07:35:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2023-11-19 07:35:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2023-11-19 07:35:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure dma_pool_free [2023-11-19 07:35:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_pool_free [2023-11-19 07:35:15,681 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:15,687 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:16,805 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 07:35:28,382 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:28,421 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:28,421 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:35:28,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:28 BoogieIcfgContainer [2023-11-19 07:35:28,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:28,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:35:28,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:35:28,450 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:35:28,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:09" (1/3) ... [2023-11-19 07:35:28,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0bc8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:28, skipping insertion in model container [2023-11-19 07:35:28,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:13" (2/3) ... [2023-11-19 07:35:28,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e0bc8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:28, skipping insertion in model container [2023-11-19 07:35:28,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:28" (3/3) ... [2023-11-19 07:35:28,460 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--usb--host--ohci-hcd.ko-entry_point.cil.out.i [2023-11-19 07:35:28,480 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:35:28,480 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:35:28,618 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:35:28,625 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;@20500d83, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:35:28,625 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:35:28,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 3583 states, 2624 states have (on average 1.4535060975609757) internal successors, (3814), 2694 states have internal predecessors, (3814), 842 states have call successors, (842), 120 states have call predecessors, (842), 119 states have return successors, (835), 828 states have call predecessors, (835), 835 states have call successors, (835) [2023-11-19 07:35:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2023-11-19 07:35:28,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:28,766 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:28,767 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:28,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:28,773 INFO L85 PathProgramCache]: Analyzing trace with hash -800878739, now seen corresponding path program 1 times [2023-11-19 07:35:28,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:28,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690170543] [2023-11-19 07:35:28,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:28,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:35:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:35:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:35:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:35:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:35:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:35:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:35:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:35:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:35:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-19 07:35:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-19 07:35:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-19 07:35:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-19 07:35:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-19 07:35:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-19 07:35:30,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-19 07:35:30,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-19 07:35:30,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-19 07:35:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-19 07:35:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-19 07:35:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-19 07:35:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-19 07:35:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-19 07:35:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-19 07:35:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-19 07:35:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2023-11-19 07:35:30,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690170543] [2023-11-19 07:35:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690170543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:30,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:30,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:35:30,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935369734] [2023-11-19 07:35:30,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:30,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:35:30,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:30,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:35:30,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:35:30,961 INFO L87 Difference]: Start difference. First operand has 3583 states, 2624 states have (on average 1.4535060975609757) internal successors, (3814), 2694 states have internal predecessors, (3814), 842 states have call successors, (842), 120 states have call predecessors, (842), 119 states have return successors, (835), 828 states have call predecessors, (835), 835 states have call successors, (835) Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:35:40,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:40,667 INFO L93 Difference]: Finished difference Result 7621 states and 11896 transitions. [2023-11-19 07:35:40,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:35:40,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 342 [2023-11-19 07:35:40,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:35:40,748 INFO L225 Difference]: With dead ends: 7621 [2023-11-19 07:35:40,749 INFO L226 Difference]: Without dead ends: 4025 [2023-11-19 07:35:40,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:40,792 INFO L413 NwaCegarLoop]: 4832 mSDtfsCounter, 2905 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 3134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2997 SdHoareTripleChecker+Valid, 7915 SdHoareTripleChecker+Invalid, 5404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3134 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:35:40,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2997 Valid, 7915 Invalid, 5404 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3134 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-19 07:35:40,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4025 states. [2023-11-19 07:35:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4025 to 3553. [2023-11-19 07:35:41,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3553 states, 2605 states have (on average 1.4383877159309022) internal successors, (3747), 2666 states have internal predecessors, (3747), 829 states have call successors, (829), 119 states have call predecessors, (829), 118 states have return successors, (828), 821 states have call predecessors, (828), 828 states have call successors, (828) [2023-11-19 07:35:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3553 states and 5404 transitions. [2023-11-19 07:35:41,183 INFO L78 Accepts]: Start accepts. Automaton has 3553 states and 5404 transitions. Word has length 342 [2023-11-19 07:35:41,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:35:41,184 INFO L495 AbstractCegarLoop]: Abstraction has 3553 states and 5404 transitions. [2023-11-19 07:35:41,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-19 07:35:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 5404 transitions. [2023-11-19 07:35:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2023-11-19 07:35:41,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:35:41,195 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 16, 16, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:41,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:35:41,196 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:35:41,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1324474623, now seen corresponding path program 1 times [2023-11-19 07:35:41,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:41,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959742394] [2023-11-19 07:35:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:41,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-19 07:35:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-19 07:35:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-19 07:35:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 07:35:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-19 07:35:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:35:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:35:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-11-19 07:35:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-11-19 07:35:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-11-19 07:35:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-11-19 07:35:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-19 07:35:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-11-19 07:35:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-11-19 07:35:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-11-19 07:35:42,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-11-19 07:35:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-11-19 07:35:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2023-11-19 07:35:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2023-11-19 07:35:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-11-19 07:35:42,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-11-19 07:35:42,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2023-11-19 07:35:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2023-11-19 07:35:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2023-11-19 07:35:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2023-11-19 07:35:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2023-11-19 07:35:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-19 07:35:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2023-11-19 07:35:42,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:42,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959742394] [2023-11-19 07:35:42,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959742394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:42,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:42,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:35:42,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77704953] [2023-11-19 07:35:42,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:42,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:35:42,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:42,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:35:42,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:42,866 INFO L87 Difference]: Start difference. First operand 3553 states and 5404 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28)