./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB --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 397a9279da505c7ebfc2d9ded562e1ab15e47d9cd8180fd98e235f33783cecf1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:06:40,944 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:06:41,056 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:06:41,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:06:41,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:06:41,129 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:06:41,130 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:06:41,130 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:06:41,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:06:41,131 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:06:41,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:06:41,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:06:41,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:06:41,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:06:41,132 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:06:41,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:06:41,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:06:41,132 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:06:41,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:06:41,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:06:41,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:06:41,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:06:41,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:06:41,133 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:06:41,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:06:41,133 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:06:41,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:41,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:41,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:41,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:41,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:06:41,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:41,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:41,135 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:41,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:41,136 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:06:41,136 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:06:41,136 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:06:41,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:06:41,136 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:06:41,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:06:41,137 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:06:41,137 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:06:41,137 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:06:41,137 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:06:41,138 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 397a9279da505c7ebfc2d9ded562e1ab15e47d9cd8180fd98e235f33783cecf1 [2024-11-27 20:06:41,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:06:41,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:06:41,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:06:41,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:06:41,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:06:41,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2024-11-27 20:06:45,353 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/data/7c251a789/5ef91ee880a849208c3dff26a6df0de3/FLAG56fbbbaae [2024-11-27 20:06:46,213 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:06:46,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2024-11-27 20:06:46,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/data/7c251a789/5ef91ee880a849208c3dff26a6df0de3/FLAG56fbbbaae [2024-11-27 20:06:46,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/data/7c251a789/5ef91ee880a849208c3dff26a6df0de3 [2024-11-27 20:06:46,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:06:46,300 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:06:46,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:46,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:06:46,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:06:46,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:46" (1/1) ... [2024-11-27 20:06:46,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d304b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:46, skipping insertion in model container [2024-11-27 20:06:46,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:46" (1/1) ... [2024-11-27 20:06:46,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:06:48,331 WARN L250 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_b1001305-20e7-4c76-ba77-3b7beb02b58d/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2024-11-27 20:06:48,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:48,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:06:48,670 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("bswapl %0": "=r" (val): "0" (val)); [3740] [2024-11-27 20:06:48,677 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "b " "%%" "gs" ":" "%P" "1" ",%0": "=q" (pfo_ret__): "p" (& current_task)); [3785-3792] [2024-11-27 20:06:48,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "w " "%%" "gs" ":" "%P" "1" ",%0": "=r" (pfo_ret__): "p" (& current_task)); [3795-3802] [2024-11-27 20:06:48,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "l " "%%" "gs" ":" "%P" "1" ",%0": "=r" (pfo_ret__): "p" (& current_task)); [3805-3812] [2024-11-27 20:06:48,678 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("mov" "q " "%%" "gs" ":" "%P" "1" ",%0": "=r" (pfo_ret__): "p" (& current_task)); [3815-3822] [2024-11-27 20:06:49,056 WARN L250 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_b1001305-20e7-4c76-ba77-3b7beb02b58d/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i[223543,223556] [2024-11-27 20:06:49,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:49,215 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:06:49,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49 WrapperNode [2024-11-27 20:06:49,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:49,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:49,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:06:49,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:06:49,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:49,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:49,653 INFO L138 Inliner]: procedures = 166, calls = 1492, calls flagged for inlining = 74, calls inlined = 74, statements flattened = 5009 [2024-11-27 20:06:49,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:49,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:06:49,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:06:49,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:06:49,669 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:49,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:49,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,639 INFO L175 MemorySlicer]: Split 785 memory accesses to 25 slices as follows [5, 5, 2, 5, 5, 14, 5, 46, 8, 18, 8, 8, 396, 2, 4, 3, 8, 4, 134, 59, 8, 16, 5, 6, 11]. 50 percent of accesses are in the largest equivalence class. The 87 initializations are split as follows [5, 5, 0, 5, 5, 0, 5, 0, 8, 0, 8, 8, 0, 2, 4, 0, 0, 0, 0, 8, 8, 16, 0, 0, 0]. The 342 writes are split as follows [0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 177, 0, 0, 0, 3, 0, 134, 15, 0, 0, 0, 0, 11]. [2024-11-27 20:06:50,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,808 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:06:50,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:06:50,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:06:50,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:06:50,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (1/1) ... [2024-11-27 20:06:50,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:50,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:50,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:51,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:06:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-27 20:06:51,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-27 20:06:51,035 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_exit [2024-11-27 20:06:51,036 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_exit [2024-11-27 20:06:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:06:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:06:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:06:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:06:51,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:06:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:06:51,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:06:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:06:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:06:51,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:06:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:06:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:06:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-27 20:06:51,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#24 [2024-11-27 20:06:51,040 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2024-11-27 20:06:51,041 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:06:51,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#18 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#19 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#20 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#21 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#22 [2024-11-27 20:06:51,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#23 [2024-11-27 20:06:51,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#24 [2024-11-27 20:06:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-27 20:06:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-27 20:06:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:06:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:06:51,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:06:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:06:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:06:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:06:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:06:51,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:06:51,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:06:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:06:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:06:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:06:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-27 20:06:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-27 20:06:51,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-11-27 20:06:51,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:06:51,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:06:51,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-27 20:06:51,056 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_serial_port_data [2024-11-27 20:06:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_serial_port_data [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:06:51,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#19 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#20 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#21 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#22 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#23 [2024-11-27 20:06:51,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#24 [2024-11-27 20:06:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-27 20:06:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-27 20:06:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-27 20:06:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-27 20:06:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-27 20:06:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#18 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#19 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#20 [2024-11-27 20:06:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#21 [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#22 [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#23 [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#24 [2024-11-27 20:06:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_writememory [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_writememory [2024-11-27 20:06:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-27 20:06:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:06:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure firm_send_command [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_send_command [2024-11-27 20:06:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-27 20:06:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:06:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_serial_port_data [2024-11-27 20:06:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_serial_port_data [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:06:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:06:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:06:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:06:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 20:06:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 20:06:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 20:06:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 20:06:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-27 20:06:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-27 20:06:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-27 20:06:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-27 20:06:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-27 20:06:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-11-27 20:06:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-11-27 20:06:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2024-11-27 20:06:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2024-11-27 20:06:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2024-11-27 20:06:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2024-11-27 20:06:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2024-11-27 20:06:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2024-11-27 20:06:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2024-11-27 20:06:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2024-11-27 20:06:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure request_ihex_firmware [2024-11-27 20:06:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure request_ihex_firmware [2024-11-27 20:06:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2024-11-27 20:06:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2024-11-27 20:06:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_attach [2024-11-27 20:06:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_attach [2024-11-27 20:06:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:06:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2024-11-27 20:06:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2024-11-27 20:06:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-27 20:06:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-27 20:06:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2024-11-27 20:06:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2024-11-27 20:06:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:06:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:06:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:06:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 20:06:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 20:06:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure ihex_next_binrec [2024-11-27 20:06:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ihex_next_binrec [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2024-11-27 20:06:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_set_reset [2024-11-27 20:06:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_set_reset [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure urb_to_wrap [2024-11-27 20:06:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure urb_to_wrap [2024-11-27 20:06:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:06:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 20:06:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2024-11-27 20:06:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure firm_setup_port [2024-11-27 20:06:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_setup_port [2024-11-27 20:06:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure list_first [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure list_first [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure firm_close [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure firm_close [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2024-11-27 20:06:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2024-11-27 20:06:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure stop_command_port [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_command_port [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-27 20:06:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-27 20:06:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2024-11-27 20:06:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:06:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 20:06:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 20:06:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 20:06:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 20:06:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-27 20:06:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-27 20:06:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-27 20:06:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-27 20:06:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-27 20:06:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2024-11-27 20:06:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2024-11-27 20:06:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2024-11-27 20:06:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2024-11-27 20:06:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:06:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:06:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#18 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#19 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#20 [2024-11-27 20:06:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#21 [2024-11-27 20:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#22 [2024-11-27 20:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#23 [2024-11-27 20:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#24 [2024-11-27 20:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:06:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure whiteheat_init [2024-11-27 20:06:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure whiteheat_init [2024-11-27 20:06:52,416 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:06:52,420 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:54,100 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2024-11-27 20:06:55,539 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-27 20:06:55,889 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume !false; [2024-11-27 20:06:55,890 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume false; [2024-11-27 20:06:56,065 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-27 20:06:56,241 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !false; [2024-11-27 20:06:56,241 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##34: assume false; [2024-11-27 20:06:56,356 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-27 20:06:56,367 WARN L773 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-27 20:07:04,372 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##395: assume !false; [2024-11-27 20:07:04,372 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##394: assume false; [2024-11-27 20:07:04,373 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !false; [2024-11-27 20:07:04,373 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume false; [2024-11-27 20:07:05,460 INFO L? ?]: Removed 1471 outVars from TransFormulas that were not future-live. [2024-11-27 20:07:05,461 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:07:05,523 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:07:05,524 INFO L312 CfgBuilder]: Removed 187 assume(true) statements. [2024-11-27 20:07:05,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:07:05 BoogieIcfgContainer [2024-11-27 20:07:05,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:07:05,527 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:07:05,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:07:05,534 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:07:05,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:06:46" (1/3) ... [2024-11-27 20:07:05,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15095983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:07:05, skipping insertion in model container [2024-11-27 20:07:05,535 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:49" (2/3) ... [2024-11-27 20:07:05,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15095983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:07:05, skipping insertion in model container [2024-11-27 20:07:05,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:07:05" (3/3) ... [2024-11-27 20:07:05,537 INFO L128 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i [2024-11-27 20:07:05,564 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:07:05,569 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG usb_urb-drivers-usb-serial-whiteheat.ko.cil.out.i that has 79 procedures, 1367 locations, 1 initial locations, 131 loop locations, and 1 error locations. [2024-11-27 20:07:05,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:07:05,744 INFO L333 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, 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;@4d6cc49a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:07:05,744 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:07:05,757 INFO L276 IsEmpty]: Start isEmpty. Operand has 1246 states, 887 states have (on average 1.4791431792559189) internal successors, (1312), 896 states have internal predecessors, (1312), 320 states have call successors, (320), 54 states have call predecessors, (320), 53 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) [2024-11-27 20:07:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-27 20:07:05,767 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:05,767 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:05,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:05,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:05,776 INFO L85 PathProgramCache]: Analyzing trace with hash -223681910, now seen corresponding path program 1 times [2024-11-27 20:07:05,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:05,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645409298] [2024-11-27 20:07:05,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:05,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:20,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:20,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:20,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645409298] [2024-11-27 20:07:20,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645409298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:20,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:20,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:20,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573800081] [2024-11-27 20:07:20,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:20,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:20,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:20,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:20,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:20,683 INFO L87 Difference]: Start difference. First operand has 1246 states, 887 states have (on average 1.4791431792559189) internal successors, (1312), 896 states have internal predecessors, (1312), 320 states have call successors, (320), 54 states have call predecessors, (320), 53 states have return successors, (319), 316 states have call predecessors, (319), 319 states have call successors, (319) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:07:21,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:21,254 INFO L93 Difference]: Finished difference Result 3668 states and 5851 transitions. [2024-11-27 20:07:21,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:21,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 20 [2024-11-27 20:07:21,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:21,309 INFO L225 Difference]: With dead ends: 3668 [2024-11-27 20:07:21,309 INFO L226 Difference]: Without dead ends: 2440 [2024-11-27 20:07:21,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:21,337 INFO L435 NwaCegarLoop]: 1809 mSDtfsCounter, 1729 mSDsluCounter, 1696 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 3505 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:21,338 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 3505 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:07:21,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2024-11-27 20:07:21,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2437. [2024-11-27 20:07:21,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2437 states, 1705 states have (on average 1.2733137829912022) internal successors, (2171), 1740 states have internal predecessors, (2171), 629 states have call successors, (629), 103 states have call predecessors, (629), 102 states have return successors, (630), 620 states have call predecessors, (630), 626 states have call successors, (630) [2024-11-27 20:07:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 2437 states and 3430 transitions. [2024-11-27 20:07:21,735 INFO L78 Accepts]: Start accepts. Automaton has 2437 states and 3430 transitions. Word has length 20 [2024-11-27 20:07:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:21,736 INFO L471 AbstractCegarLoop]: Abstraction has 2437 states and 3430 transitions. [2024-11-27 20:07:21,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:07:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 3430 transitions. [2024-11-27 20:07:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-27 20:07:21,741 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:21,741 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:21,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:07:21,742 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:21,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1655195404, now seen corresponding path program 1 times [2024-11-27 20:07:21,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:21,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747297140] [2024-11-27 20:07:21,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:21,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:33,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:07:33,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:33,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747297140] [2024-11-27 20:07:33,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747297140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:33,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:33,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:33,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516156444] [2024-11-27 20:07:33,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:33,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:33,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:33,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:33,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:33,687 INFO L87 Difference]: Start difference. First operand 2437 states and 3430 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:07:33,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:33,840 INFO L93 Difference]: Finished difference Result 2439 states and 3431 transitions. [2024-11-27 20:07:33,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:33,840 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2024-11-27 20:07:33,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:33,866 INFO L225 Difference]: With dead ends: 2439 [2024-11-27 20:07:33,866 INFO L226 Difference]: Without dead ends: 2426 [2024-11-27 20:07:33,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:33,870 INFO L435 NwaCegarLoop]: 1732 mSDtfsCounter, 1724 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:33,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1724 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:07:33,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2426 states. [2024-11-27 20:07:34,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2426 to 2426. [2024-11-27 20:07:34,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2426 states, 1699 states have (on average 1.2713360800470865) internal successors, (2160), 1732 states have internal predecessors, (2160), 625 states have call successors, (625), 102 states have call predecessors, (625), 101 states have return successors, (627), 617 states have call predecessors, (627), 623 states have call successors, (627) [2024-11-27 20:07:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2426 states and 3412 transitions. [2024-11-27 20:07:34,084 INFO L78 Accepts]: Start accepts. Automaton has 2426 states and 3412 transitions. Word has length 21 [2024-11-27 20:07:34,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:34,085 INFO L471 AbstractCegarLoop]: Abstraction has 2426 states and 3412 transitions. [2024-11-27 20:07:34,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-27 20:07:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 3412 transitions. [2024-11-27 20:07:34,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-27 20:07:34,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:34,104 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:34,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:07:34,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:34,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:34,105 INFO L85 PathProgramCache]: Analyzing trace with hash 121644405, now seen corresponding path program 1 times [2024-11-27 20:07:34,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:34,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437140224] [2024-11-27 20:07:34,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:34,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:07:45,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:45,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437140224] [2024-11-27 20:07:45,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437140224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:45,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:45,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:07:45,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551595802] [2024-11-27 20:07:45,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:45,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:07:45,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:45,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:07:45,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:45,713 INFO L87 Difference]: Start difference. First operand 2426 states and 3412 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:07:46,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:46,141 INFO L93 Difference]: Finished difference Result 5705 states and 8125 transitions. [2024-11-27 20:07:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:07:46,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (14), 2 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 102 [2024-11-27 20:07:46,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:46,177 INFO L225 Difference]: With dead ends: 5705 [2024-11-27 20:07:46,177 INFO L226 Difference]: Without dead ends: 3307 [2024-11-27 20:07:46,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:07:46,195 INFO L435 NwaCegarLoop]: 1929 mSDtfsCounter, 475 mSDsluCounter, 1638 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 3567 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:46,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 3567 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:07:46,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3307 states. [2024-11-27 20:07:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3307 to 3303. [2024-11-27 20:07:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3303 states, 2322 states have (on average 1.2803617571059431) internal successors, (2973), 2369 states have internal predecessors, (2973), 879 states have call successors, (879), 102 states have call predecessors, (879), 101 states have return successors, (882), 865 states have call predecessors, (882), 877 states have call successors, (882) [2024-11-27 20:07:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 3303 states and 4734 transitions. [2024-11-27 20:07:46,468 INFO L78 Accepts]: Start accepts. Automaton has 3303 states and 4734 transitions. Word has length 102 [2024-11-27 20:07:46,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:46,468 INFO L471 AbstractCegarLoop]: Abstraction has 3303 states and 4734 transitions. [2024-11-27 20:07:46,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-27 20:07:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 3303 states and 4734 transitions. [2024-11-27 20:07:46,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-27 20:07:46,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:46,496 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:46,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:07:46,496 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:46,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:46,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1615148475, now seen corresponding path program 1 times [2024-11-27 20:07:46,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:46,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235990518] [2024-11-27 20:07:46,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:46,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:07:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:59,022 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 20:07:59,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:07:59,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235990518] [2024-11-27 20:07:59,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235990518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:07:59,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:07:59,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:07:59,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888891370] [2024-11-27 20:07:59,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:07:59,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:07:59,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:07:59,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:07:59,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:07:59,029 INFO L87 Difference]: Start difference. First operand 3303 states and 4734 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-27 20:07:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:59,591 INFO L93 Difference]: Finished difference Result 6595 states and 9459 transitions. [2024-11-27 20:07:59,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:07:59,592 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 143 [2024-11-27 20:07:59,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:59,626 INFO L225 Difference]: With dead ends: 6595 [2024-11-27 20:07:59,626 INFO L226 Difference]: Without dead ends: 3321 [2024-11-27 20:07:59,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:07:59,648 INFO L435 NwaCegarLoop]: 1733 mSDtfsCounter, 6 mSDsluCounter, 5167 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 6900 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:59,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 6900 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:07:59,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3321 states. [2024-11-27 20:07:59,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3321 to 3311. [2024-11-27 20:07:59,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3311 states, 2328 states have (on average 1.2796391752577319) internal successors, (2979), 2375 states have internal predecessors, (2979), 881 states have call successors, (881), 102 states have call predecessors, (881), 101 states have return successors, (884), 867 states have call predecessors, (884), 879 states have call successors, (884) [2024-11-27 20:07:59,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 3311 states and 4744 transitions. [2024-11-27 20:07:59,920 INFO L78 Accepts]: Start accepts. Automaton has 3311 states and 4744 transitions. Word has length 143 [2024-11-27 20:07:59,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:59,923 INFO L471 AbstractCegarLoop]: Abstraction has 3311 states and 4744 transitions. [2024-11-27 20:07:59,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-27 20:07:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 3311 states and 4744 transitions. [2024-11-27 20:07:59,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-27 20:07:59,941 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:59,942 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:59,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:07:59,942 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:59,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:59,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1836704542, now seen corresponding path program 1 times [2024-11-27 20:07:59,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:07:59,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936579473] [2024-11-27 20:07:59,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:59,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 20:08:11,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:11,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936579473] [2024-11-27 20:08:11,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936579473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:11,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099415685] [2024-11-27 20:08:11,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:11,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:11,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:11,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:11,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:08:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:26,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 4532 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:08:26,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:08:26,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:28,030 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 20:08:28,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099415685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:28,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:08:28,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2024-11-27 20:08:28,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705030225] [2024-11-27 20:08:28,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:28,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:08:28,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:28,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:08:28,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:28,034 INFO L87 Difference]: Start difference. First operand 3311 states and 4744 transitions. Second operand has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 4 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-27 20:08:32,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:32,282 INFO L93 Difference]: Finished difference Result 8361 states and 12130 transitions. [2024-11-27 20:08:32,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:08:32,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 4 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 158 [2024-11-27 20:08:32,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:32,335 INFO L225 Difference]: With dead ends: 8361 [2024-11-27 20:08:32,335 INFO L226 Difference]: Without dead ends: 5079 [2024-11-27 20:08:32,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 313 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:08:32,358 INFO L435 NwaCegarLoop]: 1728 mSDtfsCounter, 1289 mSDsluCounter, 4769 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 6497 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:32,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 6497 Invalid, 416 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-27 20:08:32,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5079 states. [2024-11-27 20:08:32,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5079 to 5067. [2024-11-27 20:08:32,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5067 states, 3576 states have (on average 1.2911073825503356) internal successors, (4617), 3651 states have internal predecessors, (4617), 1389 states have call successors, (1389), 102 states have call predecessors, (1389), 101 states have return successors, (1394), 1363 states have call predecessors, (1394), 1387 states have call successors, (1394) [2024-11-27 20:08:32,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 5067 states and 7400 transitions. [2024-11-27 20:08:32,731 INFO L78 Accepts]: Start accepts. Automaton has 5067 states and 7400 transitions. Word has length 158 [2024-11-27 20:08:32,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:32,732 INFO L471 AbstractCegarLoop]: Abstraction has 5067 states and 7400 transitions. [2024-11-27 20:08:32,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.2) internal successors, (156), 5 states have internal predecessors, (156), 4 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2024-11-27 20:08:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 5067 states and 7400 transitions. [2024-11-27 20:08:32,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-27 20:08:32,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:32,763 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:32,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:32,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:32,964 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:08:32,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1758363240, now seen corresponding path program 1 times [2024-11-27 20:08:32,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:32,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127243721] [2024-11-27 20:08:32,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:47,581 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-27 20:08:47,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:47,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127243721] [2024-11-27 20:08:47,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127243721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:47,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75564200] [2024-11-27 20:08:47,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:47,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:47,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:47,585 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:47,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:09:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:00,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 4895 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:09:00,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:09:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-27 20:09:00,737 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:09:00,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75564200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:00,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:09:00,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-27 20:09:00,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100415324] [2024-11-27 20:09:00,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:00,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:09:00,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:00,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:09:00,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:09:00,740 INFO L87 Difference]: Start difference. First operand 5067 states and 7400 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:09:01,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:01,150 INFO L93 Difference]: Finished difference Result 10109 states and 14769 transitions. [2024-11-27 20:09:01,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:09:01,151 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) Word has length 212 [2024-11-27 20:09:01,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:01,199 INFO L225 Difference]: With dead ends: 10109 [2024-11-27 20:09:01,199 INFO L226 Difference]: Without dead ends: 5061 [2024-11-27 20:09:01,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-27 20:09:01,233 INFO L435 NwaCegarLoop]: 1728 mSDtfsCounter, 0 mSDsluCounter, 6896 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8624 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:01,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8624 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:09:01,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5061 states. [2024-11-27 20:09:01,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5061 to 5061. [2024-11-27 20:09:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5061 states, 3573 states have (on average 1.290512174643157) internal successors, (4611), 3646 states have internal predecessors, (4611), 1387 states have call successors, (1387), 101 states have call predecessors, (1387), 100 states have return successors, (1392), 1361 states have call predecessors, (1392), 1385 states have call successors, (1392) [2024-11-27 20:09:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5061 states to 5061 states and 7390 transitions. [2024-11-27 20:09:01,577 INFO L78 Accepts]: Start accepts. Automaton has 5061 states and 7390 transitions. Word has length 212 [2024-11-27 20:09:01,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:01,581 INFO L471 AbstractCegarLoop]: Abstraction has 5061 states and 7390 transitions. [2024-11-27 20:09:01,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (28), 2 states have call predecessors, (28), 3 states have return successors, (25), 3 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-27 20:09:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 5061 states and 7390 transitions. [2024-11-27 20:09:01,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:09:01,664 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:01,665 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:01,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:09:01,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:09:01,869 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:01,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:01,870 INFO L85 PathProgramCache]: Analyzing trace with hash -63690002, now seen corresponding path program 1 times [2024-11-27 20:09:01,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:01,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116433521] [2024-11-27 20:09:01,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:01,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:09:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:15,619 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-27 20:09:15,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:15,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116433521] [2024-11-27 20:09:15,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116433521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:09:15,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835005761] [2024-11-27 20:09:15,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:15,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:09:15,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:09:15,622 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:09:15,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:09:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:28,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 4717 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 20:09:28,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:09:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-27 20:09:28,635 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:09:28,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835005761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:28,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:09:28,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 10 [2024-11-27 20:09:28,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778723678] [2024-11-27 20:09:28,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:28,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:09:28,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:28,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:09:28,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:09:28,638 INFO L87 Difference]: Start difference. First operand 5061 states and 7390 transitions. Second operand has 8 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:09:29,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:09:29,203 INFO L93 Difference]: Finished difference Result 10115 states and 14814 transitions. [2024-11-27 20:09:29,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:09:29,204 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) Word has length 169 [2024-11-27 20:09:29,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:09:29,244 INFO L225 Difference]: With dead ends: 10115 [2024-11-27 20:09:29,245 INFO L226 Difference]: Without dead ends: 5077 [2024-11-27 20:09:29,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:09:29,271 INFO L435 NwaCegarLoop]: 1721 mSDtfsCounter, 0 mSDsluCounter, 10313 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12034 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:09:29,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12034 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:09:29,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5077 states. [2024-11-27 20:09:29,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5077 to 5077. [2024-11-27 20:09:29,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5077 states, 3585 states have (on average 1.2895397489539748) internal successors, (4623), 3658 states have internal predecessors, (4623), 1387 states have call successors, (1387), 101 states have call predecessors, (1387), 104 states have return successors, (1422), 1365 states have call predecessors, (1422), 1385 states have call successors, (1422) [2024-11-27 20:09:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 5077 states and 7432 transitions. [2024-11-27 20:09:29,569 INFO L78 Accepts]: Start accepts. Automaton has 5077 states and 7432 transitions. Word has length 169 [2024-11-27 20:09:29,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:09:29,569 INFO L471 AbstractCegarLoop]: Abstraction has 5077 states and 7432 transitions. [2024-11-27 20:09:29,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 2 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-27 20:09:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 5077 states and 7432 transitions. [2024-11-27 20:09:29,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-27 20:09:29,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:09:29,586 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:09:29,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:09:29,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:09:29,787 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:09:29,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:09:29,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1930002576, now seen corresponding path program 1 times [2024-11-27 20:09:29,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:09:29,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592574728] [2024-11-27 20:09:29,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:29,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:09:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-11-27 20:09:42,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:09:42,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592574728] [2024-11-27 20:09:42,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592574728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:09:42,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759072263] [2024-11-27 20:09:42,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:09:42,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:09:42,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:09:42,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:09:42,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:09:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:09:54,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 4735 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:09:54,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:09:56,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-11-27 20:09:56,276 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-27 20:09:56,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:09:56,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759072263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:09:56,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:09:56,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2024-11-27 20:09:56,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628606106] [2024-11-27 20:09:56,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:09:56,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:09:56,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:09:56,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:09:56,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:09:56,280 INFO L87 Difference]: Start difference. First operand 5077 states and 7432 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-27 20:10:05,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:10:05,179 INFO L93 Difference]: Finished difference Result 15619 states and 22978 transitions. [2024-11-27 20:10:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:10:05,180 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 169 [2024-11-27 20:10:05,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:10:05,249 INFO L225 Difference]: With dead ends: 15619 [2024-11-27 20:10:05,249 INFO L226 Difference]: Without dead ends: 10565 [2024-11-27 20:10:05,270 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 162 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-27 20:10:05,271 INFO L435 NwaCegarLoop]: 3318 mSDtfsCounter, 1866 mSDsluCounter, 8012 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 11330 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:10:05,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 11330 Invalid, 1023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [50 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2024-11-27 20:10:05,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10565 states. [2024-11-27 20:10:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10565 to 10539. [2024-11-27 20:10:05,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10539 states, 7395 states have (on average 1.2864097363083165) internal successors, (9513), 7562 states have internal predecessors, (9513), 2937 states have call successors, (2937), 197 states have call predecessors, (2937), 206 states have return successors, (3055), 2895 states have call predecessors, (3055), 2935 states have call successors, (3055) [2024-11-27 20:10:06,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10539 states to 10539 states and 15505 transitions. [2024-11-27 20:10:06,018 INFO L78 Accepts]: Start accepts. Automaton has 10539 states and 15505 transitions. Word has length 169 [2024-11-27 20:10:06,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:10:06,019 INFO L471 AbstractCegarLoop]: Abstraction has 10539 states and 15505 transitions. [2024-11-27 20:10:06,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2024-11-27 20:10:06,019 INFO L276 IsEmpty]: Start isEmpty. Operand 10539 states and 15505 transitions. [2024-11-27 20:10:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-27 20:10:06,040 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:06,041 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:10:06,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:10:06,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:10:06,253 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:10:06,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:06,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1545040317, now seen corresponding path program 1 times [2024-11-27 20:10:06,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:10:06,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525262039] [2024-11-27 20:10:06,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:06,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:10:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-27 20:10:19,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:10:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525262039] [2024-11-27 20:10:19,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525262039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:10:19,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358827345] [2024-11-27 20:10:19,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:19,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:10:19,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:10:19,711 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:10:19,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:10:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:33,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 5145 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:10:33,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:10:34,050 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-11-27 20:10:34,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:10:34,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358827345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:10:34,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:10:34,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-11-27 20:10:34,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695675019] [2024-11-27 20:10:34,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:10:34,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:10:34,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:10:34,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:10:34,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:10:34,052 INFO L87 Difference]: Start difference. First operand 10539 states and 15505 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-27 20:10:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:10:34,709 INFO L93 Difference]: Finished difference Result 20901 states and 30769 transitions. [2024-11-27 20:10:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:10:34,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 212 [2024-11-27 20:10:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:10:34,783 INFO L225 Difference]: With dead ends: 20901 [2024-11-27 20:10:34,783 INFO L226 Difference]: Without dead ends: 10385 [2024-11-27 20:10:34,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:10:34,838 INFO L435 NwaCegarLoop]: 1720 mSDtfsCounter, 0 mSDsluCounter, 5143 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6863 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:10:34,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6863 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:10:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10385 states. [2024-11-27 20:10:35,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10385 to 10385. [2024-11-27 20:10:35,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10385 states, 7305 states have (on average 1.286652977412731) internal successors, (9399), 7458 states have internal predecessors, (9399), 2873 states have call successors, (2873), 195 states have call predecessors, (2873), 206 states have return successors, (2979), 2835 states have call predecessors, (2979), 2871 states have call successors, (2979) [2024-11-27 20:10:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10385 states to 10385 states and 15251 transitions. [2024-11-27 20:10:35,581 INFO L78 Accepts]: Start accepts. Automaton has 10385 states and 15251 transitions. Word has length 212 [2024-11-27 20:10:35,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:10:35,582 INFO L471 AbstractCegarLoop]: Abstraction has 10385 states and 15251 transitions. [2024-11-27 20:10:35,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-27 20:10:35,582 INFO L276 IsEmpty]: Start isEmpty. Operand 10385 states and 15251 transitions. [2024-11-27 20:10:35,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-27 20:10:35,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:10:35,607 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:10:35,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:10:35,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:10:35,808 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:10:35,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:10:35,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1874199584, now seen corresponding path program 1 times [2024-11-27 20:10:35,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:10:35,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317936596] [2024-11-27 20:10:35,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:35,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:10:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:10:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-27 20:10:47,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:10:47,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317936596] [2024-11-27 20:10:47,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317936596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:10:47,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239066490] [2024-11-27 20:10:47,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:10:47,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:10:47,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:10:47,125 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:10:47,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:11:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:01,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 5126 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:11:01,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:11:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 34 proven. 12 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2024-11-27 20:11:04,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:11:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-27 20:11:07,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239066490] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:07,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:11:07,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8, 6] total 14 [2024-11-27 20:11:07,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162860081] [2024-11-27 20:11:07,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:11:07,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:11:07,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:11:07,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:11:07,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:11:07,512 INFO L87 Difference]: Start difference. First operand 10385 states and 15251 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 5 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-27 20:11:11,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:11:15,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:11:33,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:11:33,384 INFO L93 Difference]: Finished difference Result 15486 states and 22778 transitions. [2024-11-27 20:11:33,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:11:33,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 5 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) Word has length 212 [2024-11-27 20:11:33,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:11:33,491 INFO L225 Difference]: With dead ends: 15486 [2024-11-27 20:11:33,491 INFO L226 Difference]: Without dead ends: 15483 [2024-11-27 20:11:33,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 430 GetRequests, 415 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:11:33,506 INFO L435 NwaCegarLoop]: 3290 mSDtfsCounter, 4322 mSDsluCounter, 1703 mSDsCounter, 0 mSdLazyCounter, 1619 mSolverCounterSat, 641 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4322 SdHoareTripleChecker+Valid, 4993 SdHoareTripleChecker+Invalid, 2262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 1619 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:11:33,507 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4322 Valid, 4993 Invalid, 2262 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [641 Valid, 1619 Invalid, 2 Unknown, 0 Unchecked, 25.2s Time] [2024-11-27 20:11:33,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15483 states. [2024-11-27 20:11:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15483 to 15468. [2024-11-27 20:11:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15468 states, 10889 states have (on average 1.288088897052071) internal successors, (14026), 11113 states have internal predecessors, (14026), 4273 states have call successors, (4273), 289 states have call predecessors, (4273), 305 states have return successors, (4460), 4215 states have call predecessors, (4460), 4271 states have call successors, (4460) [2024-11-27 20:11:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15468 states to 15468 states and 22759 transitions. [2024-11-27 20:11:34,580 INFO L78 Accepts]: Start accepts. Automaton has 15468 states and 22759 transitions. Word has length 212 [2024-11-27 20:11:34,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:11:34,583 INFO L471 AbstractCegarLoop]: Abstraction has 15468 states and 22759 transitions. [2024-11-27 20:11:34,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 5 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (27), 4 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-27 20:11:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 15468 states and 22759 transitions. [2024-11-27 20:11:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2024-11-27 20:11:34,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:11:34,614 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:11:34,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:11:34,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-27 20:11:34,815 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:11:34,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:11:34,816 INFO L85 PathProgramCache]: Analyzing trace with hash 837833079, now seen corresponding path program 1 times [2024-11-27 20:11:34,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:11:34,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592931784] [2024-11-27 20:11:34,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:34,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:11:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:11:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 20:11:48,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:11:48,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592931784] [2024-11-27 20:11:48,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592931784] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:11:48,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934411176] [2024-11-27 20:11:48,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:11:48,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:11:48,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:11:48,389 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:11:48,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:12:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:02,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 5400 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:12:02,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-27 20:12:02,970 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:02,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934411176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:02,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:02,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-27 20:12:02,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757479874] [2024-11-27 20:12:02,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:02,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:02,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:02,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:02,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:02,972 INFO L87 Difference]: Start difference. First operand 15468 states and 22759 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-27 20:12:03,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:03,937 INFO L93 Difference]: Finished difference Result 31181 states and 46001 transitions. [2024-11-27 20:12:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:03,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 277 [2024-11-27 20:12:03,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:04,065 INFO L225 Difference]: With dead ends: 31181 [2024-11-27 20:12:04,065 INFO L226 Difference]: Without dead ends: 15736 [2024-11-27 20:12:04,149 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:04,150 INFO L435 NwaCegarLoop]: 1723 mSDtfsCounter, 35 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:04,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 3477 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:12:04,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15736 states. [2024-11-27 20:12:05,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15736 to 15712. [2024-11-27 20:12:05,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15712 states, 11045 states have (on average 1.2863739248528745) internal successors, (14208), 11269 states have internal predecessors, (14208), 4361 states have call successors, (4361), 289 states have call predecessors, (4361), 305 states have return successors, (4580), 4311 states have call predecessors, (4580), 4359 states have call successors, (4580) [2024-11-27 20:12:05,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15712 states to 15712 states and 23149 transitions. [2024-11-27 20:12:05,206 INFO L78 Accepts]: Start accepts. Automaton has 15712 states and 23149 transitions. Word has length 277 [2024-11-27 20:12:05,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:05,210 INFO L471 AbstractCegarLoop]: Abstraction has 15712 states and 23149 transitions. [2024-11-27 20:12:05,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 3 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-27 20:12:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 15712 states and 23149 transitions. [2024-11-27 20:12:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2024-11-27 20:12:05,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:05,241 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:05,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:05,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:05,442 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:05,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1197703269, now seen corresponding path program 1 times [2024-11-27 20:12:05,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:05,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431309599] [2024-11-27 20:12:05,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-27 20:12:19,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:19,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431309599] [2024-11-27 20:12:19,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431309599] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:19,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315524460] [2024-11-27 20:12:19,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:19,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:19,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:19,451 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:19,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:12:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:31,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 5410 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:12:31,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:12:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-27 20:12:32,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:12:32,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315524460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:12:32,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:12:32,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2024-11-27 20:12:32,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335486817] [2024-11-27 20:12:32,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:12:32,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:12:32,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:12:32,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:12:32,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:32,712 INFO L87 Difference]: Start difference. First operand 15712 states and 23149 transitions. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 4 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-27 20:12:35,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:12:35,168 INFO L93 Difference]: Finished difference Result 31409 states and 46283 transitions. [2024-11-27 20:12:35,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:12:35,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 4 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 289 [2024-11-27 20:12:35,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:12:35,269 INFO L225 Difference]: With dead ends: 31409 [2024-11-27 20:12:35,270 INFO L226 Difference]: Without dead ends: 15720 [2024-11-27 20:12:35,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:12:35,342 INFO L435 NwaCegarLoop]: 2379 mSDtfsCounter, 911 mSDsluCounter, 1631 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1218 SdHoareTripleChecker+Valid, 4010 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 20:12:35,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1218 Valid, 4010 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 20:12:35,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15720 states. [2024-11-27 20:12:36,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15720 to 15712. [2024-11-27 20:12:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15712 states, 11045 states have (on average 1.2836577636939792) internal successors, (14178), 11269 states have internal predecessors, (14178), 4361 states have call successors, (4361), 289 states have call predecessors, (4361), 305 states have return successors, (4580), 4311 states have call predecessors, (4580), 4359 states have call successors, (4580) [2024-11-27 20:12:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15712 states to 15712 states and 23119 transitions. [2024-11-27 20:12:36,402 INFO L78 Accepts]: Start accepts. Automaton has 15712 states and 23119 transitions. Word has length 289 [2024-11-27 20:12:36,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:12:36,403 INFO L471 AbstractCegarLoop]: Abstraction has 15712 states and 23119 transitions. [2024-11-27 20:12:36,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 4 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-27 20:12:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 15712 states and 23119 transitions. [2024-11-27 20:12:36,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-27 20:12:36,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:12:36,428 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:12:36,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:12:36,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-27 20:12:36,629 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:12:36,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:12:36,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1550797240, now seen corresponding path program 1 times [2024-11-27 20:12:36,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:12:36,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803964645] [2024-11-27 20:12:36,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:36,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:12:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:12:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-27 20:12:48,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:12:48,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803964645] [2024-11-27 20:12:48,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803964645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:12:48,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580955347] [2024-11-27 20:12:48,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:12:48,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:12:48,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:12:48,320 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:12:48,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:13:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:00,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 5147 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-27 20:13:00,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:13:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-27 20:13:01,122 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:13:01,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580955347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:01,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:13:01,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 8 [2024-11-27 20:13:01,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752777592] [2024-11-27 20:13:01,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:01,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-27 20:13:01,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:01,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-27 20:13:01,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:13:01,125 INFO L87 Difference]: Start difference. First operand 15712 states and 23119 transitions. Second operand has 8 states, 8 states have (on average 16.375) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-27 20:13:02,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:02,268 INFO L93 Difference]: Finished difference Result 31413 states and 46331 transitions. [2024-11-27 20:13:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:13:02,269 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 233 [2024-11-27 20:13:02,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:02,380 INFO L225 Difference]: With dead ends: 31413 [2024-11-27 20:13:02,380 INFO L226 Difference]: Without dead ends: 15724 [2024-11-27 20:13:02,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:13:02,474 INFO L435 NwaCegarLoop]: 1721 mSDtfsCounter, 0 mSDsluCounter, 10319 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12040 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:02,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12040 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:13:02,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15724 states. [2024-11-27 20:13:03,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15724 to 15724. [2024-11-27 20:13:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15724 states, 11057 states have (on average 1.2833499140815774) internal successors, (14190), 11275 states have internal predecessors, (14190), 4361 states have call successors, (4361), 289 states have call predecessors, (4361), 305 states have return successors, (4580), 4317 states have call predecessors, (4580), 4359 states have call successors, (4580) [2024-11-27 20:13:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15724 states to 15724 states and 23131 transitions. [2024-11-27 20:13:03,515 INFO L78 Accepts]: Start accepts. Automaton has 15724 states and 23131 transitions. Word has length 233 [2024-11-27 20:13:03,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:03,515 INFO L471 AbstractCegarLoop]: Abstraction has 15724 states and 23131 transitions. [2024-11-27 20:13:03,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.375) internal successors, (131), 6 states have internal predecessors, (131), 2 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-27 20:13:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 15724 states and 23131 transitions. [2024-11-27 20:13:03,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-27 20:13:03,538 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:03,538 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:03,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:13:03,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1001305-20e7-4c76-ba77-3b7beb02b58d/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:13:03,739 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:03,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:03,740 INFO L85 PathProgramCache]: Analyzing trace with hash 876730455, now seen corresponding path program 2 times [2024-11-27 20:13:03,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:03,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564460084] [2024-11-27 20:13:03,740 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:13:03,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:13,728 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-27 20:13:13,728 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:13:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-27 20:13:15,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:15,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564460084] [2024-11-27 20:13:15,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564460084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:15,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:15,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:13:15,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156239036] [2024-11-27 20:13:15,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:15,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:13:15,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:15,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:13:15,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:15,711 INFO L87 Difference]: Start difference. First operand 15724 states and 23131 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:13:16,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:16,457 INFO L93 Difference]: Finished difference Result 26401 states and 38946 transitions. [2024-11-27 20:13:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:13:16,457 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) Word has length 233 [2024-11-27 20:13:16,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:16,557 INFO L225 Difference]: With dead ends: 26401 [2024-11-27 20:13:16,557 INFO L226 Difference]: Without dead ends: 15754 [2024-11-27 20:13:16,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:13:16,627 INFO L435 NwaCegarLoop]: 1719 mSDtfsCounter, 0 mSDsluCounter, 8591 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10310 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:16,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10310 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 20:13:16,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15754 states. [2024-11-27 20:13:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15754 to 15754. [2024-11-27 20:13:17,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15754 states, 11081 states have (on average 1.2827362151430377) internal successors, (14214), 11293 states have internal predecessors, (14214), 4361 states have call successors, (4361), 289 states have call predecessors, (4361), 311 states have return successors, (4586), 4329 states have call predecessors, (4586), 4359 states have call successors, (4586) [2024-11-27 20:13:17,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15754 states to 15754 states and 23161 transitions. [2024-11-27 20:13:17,725 INFO L78 Accepts]: Start accepts. Automaton has 15754 states and 23161 transitions. Word has length 233 [2024-11-27 20:13:17,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:17,727 INFO L471 AbstractCegarLoop]: Abstraction has 15754 states and 23161 transitions. [2024-11-27 20:13:17,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 5 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (33), 4 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:13:17,728 INFO L276 IsEmpty]: Start isEmpty. Operand 15754 states and 23161 transitions. [2024-11-27 20:13:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-11-27 20:13:17,746 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:17,746 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:17,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:13:17,747 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:17,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1053888650, now seen corresponding path program 3 times [2024-11-27 20:13:17,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:17,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685369848] [2024-11-27 20:13:17,748 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:13:17,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:26,867 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-27 20:13:26,868 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:13:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-27 20:13:28,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:28,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685369848] [2024-11-27 20:13:28,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685369848] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:28,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:28,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:13:28,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806680446] [2024-11-27 20:13:28,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:28,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:13:28,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:28,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:13:28,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:13:28,683 INFO L87 Difference]: Start difference. First operand 15754 states and 23161 transitions. Second operand has 10 states, 10 states have (on average 12.2) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (33), 5 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:13:30,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:30,075 INFO L93 Difference]: Finished difference Result 26573 states and 39216 transitions. [2024-11-27 20:13:30,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:13:30,076 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (33), 5 states have call predecessors, (33), 2 states have call successors, (33) Word has length 233 [2024-11-27 20:13:30,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:30,187 INFO L225 Difference]: With dead ends: 26573 [2024-11-27 20:13:30,187 INFO L226 Difference]: Without dead ends: 15906 [2024-11-27 20:13:30,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:13:30,250 INFO L435 NwaCegarLoop]: 1738 mSDtfsCounter, 27 mSDsluCounter, 13850 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 15588 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:30,251 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 15588 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-27 20:13:30,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15906 states. [2024-11-27 20:13:31,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15906 to 15754. [2024-11-27 20:13:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15754 states, 11081 states have (on average 1.282014258640917) internal successors, (14206), 11293 states have internal predecessors, (14206), 4361 states have call successors, (4361), 289 states have call predecessors, (4361), 311 states have return successors, (4586), 4329 states have call predecessors, (4586), 4359 states have call successors, (4586) [2024-11-27 20:13:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15754 states to 15754 states and 23153 transitions. [2024-11-27 20:13:31,211 INFO L78 Accepts]: Start accepts. Automaton has 15754 states and 23153 transitions. Word has length 233 [2024-11-27 20:13:31,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:31,212 INFO L471 AbstractCegarLoop]: Abstraction has 15754 states and 23153 transitions. [2024-11-27 20:13:31,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.2) internal successors, (122), 7 states have internal predecessors, (122), 2 states have call successors, (34), 2 states have call predecessors, (34), 5 states have return successors, (33), 5 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-27 20:13:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 15754 states and 23153 transitions. [2024-11-27 20:13:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2024-11-27 20:13:31,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:31,233 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:31,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:13:31,233 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:31,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:31,234 INFO L85 PathProgramCache]: Analyzing trace with hash 15280949, now seen corresponding path program 1 times [2024-11-27 20:13:31,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:31,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182173673] [2024-11-27 20:13:31,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:31,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:13:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:13:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-27 20:13:42,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:13:42,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182173673] [2024-11-27 20:13:42,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182173673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:13:42,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:13:42,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:13:42,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764533228] [2024-11-27 20:13:42,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:13:42,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:13:42,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:13:42,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:13:42,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:13:42,027 INFO L87 Difference]: Start difference. First operand 15754 states and 23153 transitions. Second operand has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-27 20:13:46,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:13:49,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:13:49,675 INFO L93 Difference]: Finished difference Result 46148 states and 67933 transitions. [2024-11-27 20:13:49,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:13:49,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 293 [2024-11-27 20:13:49,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:13:49,872 INFO L225 Difference]: With dead ends: 46148 [2024-11-27 20:13:49,872 INFO L226 Difference]: Without dead ends: 29539 [2024-11-27 20:13:49,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:13:49,988 INFO L435 NwaCegarLoop]: 3256 mSDtfsCounter, 1610 mSDsluCounter, 8196 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 11452 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:13:49,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 11452 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 229 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-27 20:13:50,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29539 states. [2024-11-27 20:13:51,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29539 to 29377. [2024-11-27 20:13:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29377 states, 20787 states have (on average 1.286717660076009) internal successors, (26747), 21168 states have internal predecessors, (26747), 7995 states have call successors, (7995), 557 states have call predecessors, (7995), 594 states have return successors, (8353), 7915 states have call predecessors, (8353), 7993 states have call successors, (8353) [2024-11-27 20:13:51,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29377 states to 29377 states and 43095 transitions. [2024-11-27 20:13:51,898 INFO L78 Accepts]: Start accepts. Automaton has 29377 states and 43095 transitions. Word has length 293 [2024-11-27 20:13:51,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:13:51,899 INFO L471 AbstractCegarLoop]: Abstraction has 29377 states and 43095 transitions. [2024-11-27 20:13:51,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2024-11-27 20:13:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29377 states and 43095 transitions. [2024-11-27 20:13:51,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2024-11-27 20:13:51,919 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:13:51,920 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:13:51,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:13:51,920 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:13:51,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:13:51,921 INFO L85 PathProgramCache]: Analyzing trace with hash 655996560, now seen corresponding path program 1 times [2024-11-27 20:13:51,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:13:51,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916081695] [2024-11-27 20:13:51,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:13:51,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:14:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:14:02,111 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-11-27 20:14:02,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:14:02,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916081695] [2024-11-27 20:14:02,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916081695] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:14:02,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:14:02,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:14:02,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22078345] [2024-11-27 20:14:02,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:14:02,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:14:02,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:14:02,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:14:02,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:14:02,116 INFO L87 Difference]: Start difference. First operand 29377 states and 43095 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-27 20:14:03,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:14:03,288 INFO L93 Difference]: Finished difference Result 31757 states and 46601 transitions. [2024-11-27 20:14:03,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:14:03,289 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 252 [2024-11-27 20:14:03,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:14:03,337 INFO L225 Difference]: With dead ends: 31757 [2024-11-27 20:14:03,337 INFO L226 Difference]: Without dead ends: 1964 [2024-11-27 20:14:03,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:14:03,462 INFO L435 NwaCegarLoop]: 1495 mSDtfsCounter, 7 mSDsluCounter, 4432 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 5927 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:14:03,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 5927 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 20:14:03,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1964 states. [2024-11-27 20:14:03,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1964 to 1955. [2024-11-27 20:14:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1393 states have (on average 1.2849964106245513) internal successors, (1790), 1415 states have internal predecessors, (1790), 515 states have call successors, (515), 45 states have call predecessors, (515), 46 states have return successors, (520), 508 states have call predecessors, (520), 514 states have call successors, (520) [2024-11-27 20:14:03,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2825 transitions. [2024-11-27 20:14:03,793 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2825 transitions. Word has length 252 [2024-11-27 20:14:03,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:14:03,793 INFO L471 AbstractCegarLoop]: Abstraction has 1955 states and 2825 transitions. [2024-11-27 20:14:03,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 3 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2024-11-27 20:14:03,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2825 transitions. [2024-11-27 20:14:03,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-27 20:14:03,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:14:03,804 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:14:03,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:14:03,804 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:14:03,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:14:03,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1464554514, now seen corresponding path program 1 times [2024-11-27 20:14:03,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:14:03,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354271465] [2024-11-27 20:14:03,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:14:03,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms