./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.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_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1 --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 a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 14:21:53,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 14:21:53,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 14:21:53,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 14:21:53,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 14:21:53,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 14:21:53,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 14:21:53,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 14:21:53,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 14:21:53,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 14:21:53,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 14:21:53,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 14:21:53,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 14:21:53,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 14:21:53,372 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 14:21:53,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 14:21:53,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 14:21:53,373 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:21:53,373 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:21:53,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:21:53,374 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 14:21:53,374 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 14:21:53,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 14:21:53,375 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 14:21:53,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 14:21:53,375 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 14:21:53,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 14:21:53,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 14:21:53,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 14:21:53,375 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_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1 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 -> a5b351dc48b78577594847e2589a2433da4c3422ed74f69290b3f52d3ba2c2d2 [2024-12-02 14:21:53,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 14:21:53,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 14:21:53,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 14:21:53,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 14:21:53,632 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 14:21:53,633 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-12-02 14:21:56,290 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/data/900b21987/95dd2942cc83499cb6f4c2686f7b9fb0/FLAG4005193a6 [2024-12-02 14:21:56,626 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 14:21:56,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-12-02 14:21:56,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/data/900b21987/95dd2942cc83499cb6f4c2686f7b9fb0/FLAG4005193a6 [2024-12-02 14:21:56,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/data/900b21987/95dd2942cc83499cb6f4c2686f7b9fb0 [2024-12-02 14:21:56,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 14:21:56,664 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 14:21:56,665 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 14:21:56,665 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 14:21:56,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 14:21:56,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:56" (1/1) ... [2024-12-02 14:21:56,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab0ff98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:56, skipping insertion in model container [2024-12-02 14:21:56,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:21:56" (1/1) ... [2024-12-02 14:21:56,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 14:21:57,266 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_c83c3fab-8ed1-40a4-af89-6419fd18d877/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-12-02 14:21:57,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:21:57,331 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 14:21:57,460 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_c83c3fab-8ed1-40a4-af89-6419fd18d877/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i[106459,106472] [2024-12-02 14:21:57,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 14:21:57,507 INFO L204 MainTranslator]: Completed translation [2024-12-02 14:21:57,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57 WrapperNode [2024-12-02 14:21:57,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 14:21:57,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 14:21:57,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 14:21:57,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 14:21:57,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,620 INFO L138 Inliner]: procedures = 129, calls = 755, calls flagged for inlining = 53, calls inlined = 47, statements flattened = 2485 [2024-12-02 14:21:57,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 14:21:57,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 14:21:57,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 14:21:57,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 14:21:57,627 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,739 INFO L175 MemorySlicer]: Split 360 memory accesses to 17 slices as follows [2, 1, 42, 2, 8, 1, 6, 24, 49, 1, 2, 121, 7, 51, 16, 19, 8]. 34 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 0, 0, 6]. The 228 writes are split as follows [0, 0, 42, 0, 3, 1, 0, 24, 42, 1, 1, 30, 6, 43, 16, 19, 0]. [2024-12-02 14:21:57,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,827 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 14:21:57,861 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 14:21:57,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 14:21:57,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 14:21:57,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (1/1) ... [2024-12-02 14:21:57,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 14:21:57,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 14:21:57,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 14:21:57,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 14:21:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2024-12-02 14:21:57,904 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2024-12-02 14:21:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 14:21:57,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 14:21:57,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_remove [2024-12-02 14:21:57,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_remove [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 14:21:57,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2024-12-02 14:21:57,907 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 14:21:57,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2024-12-02 14:21:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2024-12-02 14:21:57,908 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_modify_write_reg [2024-12-02 14:21:57,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_modify_write_reg [2024-12-02 14:21:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pch_phub_mutex [2024-12-02 14:21:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pch_phub_mutex [2024-12-02 14:21:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 14:21:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 14:21:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 14:21:57,909 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 14:21:57,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 14:21:57,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2024-12-02 14:21:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2024-12-02 14:21:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-12-02 14:21:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 14:21:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 14:21:57,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 14:21:57,911 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2024-12-02 14:21:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_file [2024-12-02 14:21:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_file [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2024-12-02 14:21:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_rom [2024-12-02 14:21:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_rom [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 14:21:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 14:21:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2024-12-02 14:21:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2024-12-02 14:21:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2024-12-02 14:21:57,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2024-12-02 14:21:57,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2024-12-02 14:21:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2024-12-02 14:21:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-12-02 14:21:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2024-12-02 14:21:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2024-12-02 14:21:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 14:21:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_write_serial_rom [2024-12-02 14:21:57,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_write_serial_rom [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 14:21:57,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 14:21:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_file [2024-12-02 14:21:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_file [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure pch_phub_read_serial_rom [2024-12-02 14:21:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_phub_read_serial_rom [2024-12-02 14:21:57,916 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_rom [2024-12-02 14:21:57,916 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_rom [2024-12-02 14:21:58,294 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 14:21:58,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 14:22:08,480 INFO L? ?]: Removed 845 outVars from TransFormulas that were not future-live. [2024-12-02 14:22:08,480 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 14:22:08,507 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 14:22:08,507 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 14:22:08,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:22:08 BoogieIcfgContainer [2024-12-02 14:22:08,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 14:22:08,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 14:22:08,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 14:22:08,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 14:22:08,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:21:56" (1/3) ... [2024-12-02 14:22:08,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558ac5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:22:08, skipping insertion in model container [2024-12-02 14:22:08,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:21:57" (2/3) ... [2024-12-02 14:22:08,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@558ac5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:22:08, skipping insertion in model container [2024-12-02 14:22:08,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:22:08" (3/3) ... [2024-12-02 14:22:08,518 INFO L128 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i [2024-12-02 14:22:08,533 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 14:22:08,536 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 32_7a_cilled_linux-3.8-rc1-drivers--misc--pch_phub.ko-main.cil.out.i that has 31 procedures, 851 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 14:22:08,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 14:22:08,625 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;@2710beab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 14:22:08,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 14:22:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 851 states, 632 states have (on average 1.3465189873417722) internal successors, (851), 645 states have internal predecessors, (851), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) [2024-12-02 14:22:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-02 14:22:08,640 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:08,641 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:22:08,641 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:08,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:08,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1713331787, now seen corresponding path program 1 times [2024-12-02 14:22:08,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:08,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656712727] [2024-12-02 14:22:08,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:08,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:22:10,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:10,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656712727] [2024-12-02 14:22:10,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656712727] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:10,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:10,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:10,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36687746] [2024-12-02 14:22:10,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:10,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:10,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:10,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:10,951 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:10,955 INFO L87 Difference]: Start difference. First operand has 851 states, 632 states have (on average 1.3465189873417722) internal successors, (851), 645 states have internal predecessors, (851), 187 states have call successors, (187), 30 states have call predecessors, (187), 30 states have return successors, (187), 187 states have call predecessors, (187), 187 states have call successors, (187) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:15,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:22:15,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:15,279 INFO L93 Difference]: Finished difference Result 2527 states and 3695 transitions. [2024-12-02 14:22:15,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:15,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-12-02 14:22:15,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:15,301 INFO L225 Difference]: With dead ends: 2527 [2024-12-02 14:22:15,301 INFO L226 Difference]: Without dead ends: 1675 [2024-12-02 14:22:15,308 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 [2024-12-02 14:22:15,311 INFO L435 NwaCegarLoop]: 1216 mSDtfsCounter, 1188 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 2418 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:15,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 2418 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:22:15,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1675 states. [2024-12-02 14:22:15,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1675 to 1671. [2024-12-02 14:22:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1243 states have (on average 1.341110217216412) internal successors, (1667), 1261 states have internal predecessors, (1667), 369 states have call successors, (369), 59 states have call predecessors, (369), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-12-02 14:22:15,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2400 transitions. [2024-12-02 14:22:15,466 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2400 transitions. Word has length 15 [2024-12-02 14:22:15,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:15,466 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2400 transitions. [2024-12-02 14:22:15,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2400 transitions. [2024-12-02 14:22:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 14:22:15,469 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:15,469 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:22:15,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 14:22:15,469 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:15,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:15,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1851949622, now seen corresponding path program 1 times [2024-12-02 14:22:15,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:15,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014382740] [2024-12-02 14:22:15,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:15,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:16,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:22:16,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:16,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014382740] [2024-12-02 14:22:16,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014382740] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:16,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:16,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:16,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289010011] [2024-12-02 14:22:16,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:16,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:16,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:16,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:16,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:16,764 INFO L87 Difference]: Start difference. First operand 1671 states and 2400 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:16,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:16,875 INFO L93 Difference]: Finished difference Result 1689 states and 2420 transitions. [2024-12-02 14:22:16,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:16,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-12-02 14:22:16,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:16,886 INFO L225 Difference]: With dead ends: 1689 [2024-12-02 14:22:16,886 INFO L226 Difference]: Without dead ends: 1680 [2024-12-02 14:22:16,887 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 [2024-12-02 14:22:16,888 INFO L435 NwaCegarLoop]: 1221 mSDtfsCounter, 1207 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:16,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1207 Valid, 1231 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:22:16,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2024-12-02 14:22:16,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1671. [2024-12-02 14:22:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1243 states have (on average 1.340305711987128) internal successors, (1666), 1261 states have internal predecessors, (1666), 369 states have call successors, (369), 59 states have call predecessors, (369), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-12-02 14:22:16,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2399 transitions. [2024-12-02 14:22:16,958 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2399 transitions. Word has length 18 [2024-12-02 14:22:16,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:16,958 INFO L471 AbstractCegarLoop]: Abstraction has 1671 states and 2399 transitions. [2024-12-02 14:22:16,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:16,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2399 transitions. [2024-12-02 14:22:16,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-02 14:22:16,959 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:16,959 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:22:16,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 14:22:16,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:16,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:16,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1909207924, now seen corresponding path program 1 times [2024-12-02 14:22:16,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:16,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170489230] [2024-12-02 14:22:16,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:16,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:22:18,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:18,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170489230] [2024-12-02 14:22:18,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170489230] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:18,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:18,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:18,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791626557] [2024-12-02 14:22:18,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:18,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:18,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:18,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:18,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:18,500 INFO L87 Difference]: Start difference. First operand 1671 states and 2399 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:22,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:22:22,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:22,683 INFO L93 Difference]: Finished difference Result 1673 states and 2400 transitions. [2024-12-02 14:22:22,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:22,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-12-02 14:22:22,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:22,695 INFO L225 Difference]: With dead ends: 1673 [2024-12-02 14:22:22,695 INFO L226 Difference]: Without dead ends: 1670 [2024-12-02 14:22:22,697 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 [2024-12-02 14:22:22,697 INFO L435 NwaCegarLoop]: 1209 mSDtfsCounter, 1195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 1209 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:22,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 1209 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:22:22,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2024-12-02 14:22:22,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1670. [2024-12-02 14:22:22,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1243 states have (on average 1.339501206757844) internal successors, (1665), 1260 states have internal predecessors, (1665), 368 states have call successors, (368), 59 states have call predecessors, (368), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-12-02 14:22:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2397 transitions. [2024-12-02 14:22:22,791 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2397 transitions. Word has length 18 [2024-12-02 14:22:22,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:22,792 INFO L471 AbstractCegarLoop]: Abstraction has 1670 states and 2397 transitions. [2024-12-02 14:22:22,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2397 transitions. [2024-12-02 14:22:22,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 14:22:22,793 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:22,793 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:22:22,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 14:22:22,793 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:22,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:22,794 INFO L85 PathProgramCache]: Analyzing trace with hash -944462807, now seen corresponding path program 1 times [2024-12-02 14:22:22,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:22,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682258891] [2024-12-02 14:22:22,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:22,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:24,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:22:24,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:24,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682258891] [2024-12-02 14:22:24,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682258891] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:24,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:24,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:24,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548142287] [2024-12-02 14:22:24,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:24,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:24,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:24,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:24,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:24,208 INFO L87 Difference]: Start difference. First operand 1670 states and 2397 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:28,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:22:28,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:28,376 INFO L93 Difference]: Finished difference Result 1672 states and 2398 transitions. [2024-12-02 14:22:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:28,376 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-12-02 14:22:28,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:28,387 INFO L225 Difference]: With dead ends: 1672 [2024-12-02 14:22:28,387 INFO L226 Difference]: Without dead ends: 1669 [2024-12-02 14:22:28,388 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 [2024-12-02 14:22:28,389 INFO L435 NwaCegarLoop]: 1207 mSDtfsCounter, 1192 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1192 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:28,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1192 Valid, 1207 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-12-02 14:22:28,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2024-12-02 14:22:28,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 1669. [2024-12-02 14:22:28,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1243 states have (on average 1.33869670152856) internal successors, (1664), 1259 states have internal predecessors, (1664), 367 states have call successors, (367), 59 states have call predecessors, (367), 58 states have return successors, (364), 364 states have call predecessors, (364), 364 states have call successors, (364) [2024-12-02 14:22:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2395 transitions. [2024-12-02 14:22:28,479 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2395 transitions. Word has length 19 [2024-12-02 14:22:28,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:28,479 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2395 transitions. [2024-12-02 14:22:28,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2395 transitions. [2024-12-02 14:22:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-02 14:22:28,480 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:28,480 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] [2024-12-02 14:22:28,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 14:22:28,480 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:28,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:28,481 INFO L85 PathProgramCache]: Analyzing trace with hash 786062615, now seen corresponding path program 1 times [2024-12-02 14:22:28,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:28,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359331368] [2024-12-02 14:22:28,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:28,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:22:30,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:30,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359331368] [2024-12-02 14:22:30,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359331368] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:30,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:30,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:30,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228772553] [2024-12-02 14:22:30,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:30,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:30,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:30,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:30,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:30,099 INFO L87 Difference]: Start difference. First operand 1669 states and 2395 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:34,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:22:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:34,546 INFO L93 Difference]: Finished difference Result 4967 states and 7147 transitions. [2024-12-02 14:22:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:34,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-12-02 14:22:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:34,567 INFO L225 Difference]: With dead ends: 4967 [2024-12-02 14:22:34,567 INFO L226 Difference]: Without dead ends: 3295 [2024-12-02 14:22:34,576 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 [2024-12-02 14:22:34,577 INFO L435 NwaCegarLoop]: 1288 mSDtfsCounter, 1186 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 2465 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:34,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 2465 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-12-02 14:22:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3295 states. [2024-12-02 14:22:34,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3295 to 3282. [2024-12-02 14:22:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3282 states, 2450 states have (on average 1.3404081632653062) internal successors, (3284), 2485 states have internal predecessors, (3284), 719 states have call successors, (719), 114 states have call predecessors, (719), 112 states have return successors, (720), 708 states have call predecessors, (720), 712 states have call successors, (720) [2024-12-02 14:22:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 3282 states and 4723 transitions. [2024-12-02 14:22:34,762 INFO L78 Accepts]: Start accepts. Automaton has 3282 states and 4723 transitions. Word has length 20 [2024-12-02 14:22:34,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:34,762 INFO L471 AbstractCegarLoop]: Abstraction has 3282 states and 4723 transitions. [2024-12-02 14:22:34,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:22:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 4723 transitions. [2024-12-02 14:22:34,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-02 14:22:34,765 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:34,765 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:22:34,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 14:22:34,765 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:34,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:34,766 INFO L85 PathProgramCache]: Analyzing trace with hash -180828044, now seen corresponding path program 1 times [2024-12-02 14:22:34,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:34,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446064469] [2024-12-02 14:22:34,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:34,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:22:35,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:35,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446064469] [2024-12-02 14:22:35,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446064469] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:35,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:35,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:35,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455393036] [2024-12-02 14:22:35,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:35,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:35,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:35,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:35,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:35,986 INFO L87 Difference]: Start difference. First operand 3282 states and 4723 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:36,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:36,287 INFO L93 Difference]: Finished difference Result 9470 states and 13611 transitions. [2024-12-02 14:22:36,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:36,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-12-02 14:22:36,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:36,315 INFO L225 Difference]: With dead ends: 9470 [2024-12-02 14:22:36,316 INFO L226 Difference]: Without dead ends: 6191 [2024-12-02 14:22:36,328 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 [2024-12-02 14:22:36,328 INFO L435 NwaCegarLoop]: 1232 mSDtfsCounter, 1047 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 2422 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:36,329 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 2422 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:22:36,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6191 states. [2024-12-02 14:22:36,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6191 to 6182. [2024-12-02 14:22:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6182 states, 4622 states have (on average 1.3379489398528774) internal successors, (6184), 4677 states have internal predecessors, (6184), 1347 states have call successors, (1347), 214 states have call predecessors, (1347), 212 states have return successors, (1348), 1336 states have call predecessors, (1348), 1340 states have call successors, (1348) [2024-12-02 14:22:36,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6182 states to 6182 states and 8879 transitions. [2024-12-02 14:22:36,594 INFO L78 Accepts]: Start accepts. Automaton has 6182 states and 8879 transitions. Word has length 49 [2024-12-02 14:22:36,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:36,594 INFO L471 AbstractCegarLoop]: Abstraction has 6182 states and 8879 transitions. [2024-12-02 14:22:36,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 6182 states and 8879 transitions. [2024-12-02 14:22:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-02 14:22:36,600 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:36,600 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-12-02 14:22:36,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 14:22:36,600 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:36,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:36,601 INFO L85 PathProgramCache]: Analyzing trace with hash 2057658114, now seen corresponding path program 1 times [2024-12-02 14:22:36,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:36,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728286615] [2024-12-02 14:22:36,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:36,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 14:22:38,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728286615] [2024-12-02 14:22:38,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728286615] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:38,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:38,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:38,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772143836] [2024-12-02 14:22:38,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:38,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:38,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:38,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:38,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:38,024 INFO L87 Difference]: Start difference. First operand 6182 states and 8879 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:42,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:22:42,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:42,782 INFO L93 Difference]: Finished difference Result 15310 states and 21999 transitions. [2024-12-02 14:22:42,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:42,783 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-12-02 14:22:42,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:42,847 INFO L225 Difference]: With dead ends: 15310 [2024-12-02 14:22:42,847 INFO L226 Difference]: Without dead ends: 9131 [2024-12-02 14:22:42,887 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 [2024-12-02 14:22:42,888 INFO L435 NwaCegarLoop]: 2251 mSDtfsCounter, 1058 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:42,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 3442 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:22:42,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9131 states. [2024-12-02 14:22:43,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9131 to 9122. [2024-12-02 14:22:43,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9122 states, 6834 states have (on average 1.33801580333626) internal successors, (9144), 6909 states have internal predecessors, (9144), 1975 states have call successors, (1975), 314 states have call predecessors, (1975), 312 states have return successors, (1976), 1964 states have call predecessors, (1976), 1968 states have call successors, (1976) [2024-12-02 14:22:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 13095 transitions. [2024-12-02 14:22:43,427 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 13095 transitions. Word has length 60 [2024-12-02 14:22:43,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:43,427 INFO L471 AbstractCegarLoop]: Abstraction has 9122 states and 13095 transitions. [2024-12-02 14:22:43,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 13095 transitions. [2024-12-02 14:22:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-12-02 14:22:43,434 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:43,434 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 14:22:43,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 14:22:43,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:43,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:43,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2127128416, now seen corresponding path program 1 times [2024-12-02 14:22:43,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:43,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496985765] [2024-12-02 14:22:43,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:43,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:22:44,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:44,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496985765] [2024-12-02 14:22:44,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496985765] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:44,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:44,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 14:22:44,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511674731] [2024-12-02 14:22:44,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:44,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 14:22:44,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:44,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 14:22:44,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 14:22:44,986 INFO L87 Difference]: Start difference. First operand 9122 states and 13095 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-12-02 14:22:45,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:45,489 INFO L93 Difference]: Finished difference Result 18261 states and 26215 transitions. [2024-12-02 14:22:45,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 14:22:45,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 72 [2024-12-02 14:22:45,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:45,530 INFO L225 Difference]: With dead ends: 18261 [2024-12-02 14:22:45,530 INFO L226 Difference]: Without dead ends: 9142 [2024-12-02 14:22:45,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 14:22:45,559 INFO L435 NwaCegarLoop]: 1192 mSDtfsCounter, 1200 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1200 SdHoareTripleChecker+Valid, 2367 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:45,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1200 Valid, 2367 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:22:45,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9142 states. [2024-12-02 14:22:45,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9142 to 9122. [2024-12-02 14:22:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9122 states, 6834 states have (on average 1.3374304945858941) internal successors, (9140), 6909 states have internal predecessors, (9140), 1975 states have call successors, (1975), 314 states have call predecessors, (1975), 312 states have return successors, (1976), 1964 states have call predecessors, (1976), 1968 states have call successors, (1976) [2024-12-02 14:22:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9122 states to 9122 states and 13091 transitions. [2024-12-02 14:22:45,874 INFO L78 Accepts]: Start accepts. Automaton has 9122 states and 13091 transitions. Word has length 72 [2024-12-02 14:22:45,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:45,874 INFO L471 AbstractCegarLoop]: Abstraction has 9122 states and 13091 transitions. [2024-12-02 14:22:45,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-12-02 14:22:45,875 INFO L276 IsEmpty]: Start isEmpty. Operand 9122 states and 13091 transitions. [2024-12-02 14:22:45,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 14:22:45,879 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:45,879 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 14:22:45,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 14:22:45,879 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:45,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:45,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1200228407, now seen corresponding path program 1 times [2024-12-02 14:22:45,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:45,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297744517] [2024-12-02 14:22:45,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:22:47,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:47,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297744517] [2024-12-02 14:22:47,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297744517] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:47,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:47,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 14:22:47,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575167295] [2024-12-02 14:22:47,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:47,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 14:22:47,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:47,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 14:22:47,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:47,420 INFO L87 Difference]: Start difference. First operand 9122 states and 13091 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:51,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 14:22:51,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:51,917 INFO L93 Difference]: Finished difference Result 18243 states and 26180 transitions. [2024-12-02 14:22:51,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 14:22:51,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-12-02 14:22:51,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:51,965 INFO L225 Difference]: With dead ends: 18243 [2024-12-02 14:22:51,965 INFO L226 Difference]: Without dead ends: 9124 [2024-12-02 14:22:51,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 14:22:51,999 INFO L435 NwaCegarLoop]: 2292 mSDtfsCounter, 1166 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1166 SdHoareTripleChecker+Valid, 3481 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:52,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1166 Valid, 3481 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 14:22:52,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9124 states. [2024-12-02 14:22:52,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9124 to 9109. [2024-12-02 14:22:52,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9109 states, 6826 states have (on average 1.3372399648403164) internal successors, (9128), 6902 states have internal predecessors, (9128), 1971 states have call successors, (1971), 312 states have call predecessors, (1971), 311 states have return successors, (1966), 1960 states have call predecessors, (1966), 1962 states have call successors, (1966) [2024-12-02 14:22:52,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9109 states to 9109 states and 13065 transitions. [2024-12-02 14:22:52,787 INFO L78 Accepts]: Start accepts. Automaton has 9109 states and 13065 transitions. Word has length 73 [2024-12-02 14:22:52,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:52,788 INFO L471 AbstractCegarLoop]: Abstraction has 9109 states and 13065 transitions. [2024-12-02 14:22:52,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:52,788 INFO L276 IsEmpty]: Start isEmpty. Operand 9109 states and 13065 transitions. [2024-12-02 14:22:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 14:22:52,796 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:52,796 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 14:22:52,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 14:22:52,796 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:52,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:52,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2044700278, now seen corresponding path program 1 times [2024-12-02 14:22:52,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:52,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546413430] [2024-12-02 14:22:52,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:52,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:54,482 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:22:54,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:54,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546413430] [2024-12-02 14:22:54,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546413430] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:54,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:54,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:22:54,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774031030] [2024-12-02 14:22:54,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:54,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:22:54,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:54,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:22:54,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:22:54,484 INFO L87 Difference]: Start difference. First operand 9109 states and 13065 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:54,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:54,971 INFO L93 Difference]: Finished difference Result 9230 states and 13205 transitions. [2024-12-02 14:22:54,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:22:54,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-12-02 14:22:54,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:55,023 INFO L225 Difference]: With dead ends: 9230 [2024-12-02 14:22:55,023 INFO L226 Difference]: Without dead ends: 9077 [2024-12-02 14:22:55,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:22:55,032 INFO L435 NwaCegarLoop]: 1210 mSDtfsCounter, 0 mSDsluCounter, 4822 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6032 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:55,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6032 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:22:55,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9077 states. [2024-12-02 14:22:55,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9077 to 9077. [2024-12-02 14:22:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9077 states, 6804 states have (on average 1.3365667254556144) internal successors, (9094), 6875 states have internal predecessors, (9094), 1961 states have call successors, (1961), 312 states have call predecessors, (1961), 311 states have return successors, (1958), 1954 states have call predecessors, (1958), 1954 states have call successors, (1958) [2024-12-02 14:22:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9077 states to 9077 states and 13013 transitions. [2024-12-02 14:22:55,485 INFO L78 Accepts]: Start accepts. Automaton has 9077 states and 13013 transitions. Word has length 73 [2024-12-02 14:22:55,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:55,486 INFO L471 AbstractCegarLoop]: Abstraction has 9077 states and 13013 transitions. [2024-12-02 14:22:55,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-12-02 14:22:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 9077 states and 13013 transitions. [2024-12-02 14:22:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 14:22:55,492 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:55,492 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-12-02 14:22:55,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 14:22:55,492 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:55,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:55,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1012206684, now seen corresponding path program 1 times [2024-12-02 14:22:55,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:55,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913417694] [2024-12-02 14:22:55,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:55,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:22:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-02 14:22:57,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:22:57,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913417694] [2024-12-02 14:22:57,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913417694] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:22:57,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:22:57,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:22:57,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718320311] [2024-12-02 14:22:57,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:22:57,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:22:57,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:22:57,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:22:57,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:22:57,625 INFO L87 Difference]: Start difference. First operand 9077 states and 13013 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 14:22:58,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:22:58,270 INFO L93 Difference]: Finished difference Result 9125 states and 13056 transitions. [2024-12-02 14:22:58,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:22:58,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 79 [2024-12-02 14:22:58,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:22:58,317 INFO L225 Difference]: With dead ends: 9125 [2024-12-02 14:22:58,317 INFO L226 Difference]: Without dead ends: 9022 [2024-12-02 14:22:58,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:22:58,325 INFO L435 NwaCegarLoop]: 1208 mSDtfsCounter, 0 mSDsluCounter, 4817 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6025 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 14:22:58,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6025 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:22:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9022 states. [2024-12-02 14:22:58,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9022 to 9022. [2024-12-02 14:22:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9022 states, 6766 states have (on average 1.3360922258350576) internal successors, (9040), 6832 states have internal predecessors, (9040), 1944 states have call successors, (1944), 311 states have call predecessors, (1944), 311 states have return successors, (1944), 1942 states have call predecessors, (1944), 1940 states have call successors, (1944) [2024-12-02 14:22:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9022 states to 9022 states and 12928 transitions. [2024-12-02 14:22:58,681 INFO L78 Accepts]: Start accepts. Automaton has 9022 states and 12928 transitions. Word has length 79 [2024-12-02 14:22:58,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:22:58,681 INFO L471 AbstractCegarLoop]: Abstraction has 9022 states and 12928 transitions. [2024-12-02 14:22:58,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-12-02 14:22:58,681 INFO L276 IsEmpty]: Start isEmpty. Operand 9022 states and 12928 transitions. [2024-12-02 14:22:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-12-02 14:22:58,687 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:22:58,687 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-12-02 14:22:58,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 14:22:58,687 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:22:58,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:22:58,688 INFO L85 PathProgramCache]: Analyzing trace with hash -414157320, now seen corresponding path program 1 times [2024-12-02 14:22:58,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:22:58,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680927360] [2024-12-02 14:22:58,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:22:58,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:22:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:23:00,583 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-02 14:23:00,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:23:00,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680927360] [2024-12-02 14:23:00,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680927360] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:23:00,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:23:00,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:23:00,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468384842] [2024-12-02 14:23:00,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:23:00,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:23:00,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:23:00,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:23:00,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:23:00,586 INFO L87 Difference]: Start difference. First operand 9022 states and 12928 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 14:23:01,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:23:01,083 INFO L93 Difference]: Finished difference Result 13444 states and 19271 transitions. [2024-12-02 14:23:01,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:23:01,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 75 [2024-12-02 14:23:01,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:23:01,125 INFO L225 Difference]: With dead ends: 13444 [2024-12-02 14:23:01,125 INFO L226 Difference]: Without dead ends: 9020 [2024-12-02 14:23:01,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:23:01,147 INFO L435 NwaCegarLoop]: 1202 mSDtfsCounter, 0 mSDsluCounter, 4798 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6000 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 [2024-12-02 14:23:01,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6000 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 14:23:01,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9020 states. [2024-12-02 14:23:01,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9020 to 9020. [2024-12-02 14:23:01,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9020 states, 6764 states have (on average 1.3358959195742164) internal successors, (9036), 6830 states have internal predecessors, (9036), 1944 states have call successors, (1944), 311 states have call predecessors, (1944), 311 states have return successors, (1944), 1942 states have call predecessors, (1944), 1940 states have call successors, (1944) [2024-12-02 14:23:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9020 states to 9020 states and 12924 transitions. [2024-12-02 14:23:01,846 INFO L78 Accepts]: Start accepts. Automaton has 9020 states and 12924 transitions. Word has length 75 [2024-12-02 14:23:01,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:23:01,846 INFO L471 AbstractCegarLoop]: Abstraction has 9020 states and 12924 transitions. [2024-12-02 14:23:01,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 14:23:01,846 INFO L276 IsEmpty]: Start isEmpty. Operand 9020 states and 12924 transitions. [2024-12-02 14:23:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-12-02 14:23:01,852 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 14:23:01,852 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-12-02 14:23:01,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 14:23:01,853 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 14:23:01,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 14:23:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -349727322, now seen corresponding path program 1 times [2024-12-02 14:23:01,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 14:23:01,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6819547] [2024-12-02 14:23:01,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 14:23:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 14:23:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 14:23:03,449 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-02 14:23:03,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 14:23:03,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6819547] [2024-12-02 14:23:03,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6819547] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 14:23:03,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 14:23:03,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 14:23:03,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372977821] [2024-12-02 14:23:03,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 14:23:03,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 14:23:03,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 14:23:03,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 14:23:03,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:23:03,450 INFO L87 Difference]: Start difference. First operand 9020 states and 12924 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 14:23:03,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 14:23:03,766 INFO L93 Difference]: Finished difference Result 9146 states and 13070 transitions. [2024-12-02 14:23:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 14:23:03,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 77 [2024-12-02 14:23:03,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 14:23:03,773 INFO L225 Difference]: With dead ends: 9146 [2024-12-02 14:23:03,773 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 14:23:03,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 14:23:03,791 INFO L435 NwaCegarLoop]: 1190 mSDtfsCounter, 0 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5943 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 14:23:03,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5943 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 14:23:03,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 14:23:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 14:23:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 14:23:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 14:23:03,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2024-12-02 14:23:03,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 14:23:03,797 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 14:23:03,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-12-02 14:23:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 14:23:03,797 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 14:23:03,800 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 14:23:03,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 14:23:03,803 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 14:23:03,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 14:25:01,547 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 14:25:01,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:25:01 BoogieIcfgContainer [2024-12-02 14:25:01,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 14:25:01,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 14:25:01,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 14:25:01,566 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 14:25:01,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:22:08" (3/4) ... [2024-12-02 14:25:01,570 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sysfs_remove_file [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_lock_interruptible_pch_phub_mutex [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_get_drvdata [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kfree [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_iounmap [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_set_power_state [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_device [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_unmap_rom [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure dev_err [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_unlock [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_disable_device [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __dynamic_dev_dbg [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_remove [2024-12-02 14:25:01,577 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_release_regions [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sysfs_create_bin_file [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_read_modify_write_reg [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_get_drvdata [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_write_serial_rom [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure iowrite32 [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread32 [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_mutex_unlock_pch_phub_mutex [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread8 [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_enable_wake [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure mutex_lock_interruptible [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sysfs_create_file [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pch_phub_read_serial_rom [2024-12-02 14:25:01,578 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure pci_map_rom [2024-12-02 14:25:01,607 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 181 nodes and edges [2024-12-02 14:25:01,610 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2024-12-02 14:25:01,613 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-12-02 14:25:01,616 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 14:25:01,619 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 14:25:01,622 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:25:01,625 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 14:25:01,834 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 14:25:01,834 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 14:25:01,834 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 14:25:01,835 INFO L158 Benchmark]: Toolchain (without parser) took 185170.73ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 113.4MB in the beginning and 726.4MB in the end (delta: -613.0MB). Peak memory consumption was 640.4MB. Max. memory is 16.1GB. [2024-12-02 14:25:01,835 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 14:25:01,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.07ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 88.3MB in the end (delta: 24.9MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2024-12-02 14:25:01,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.79ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 73.7MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 14:25:01,836 INFO L158 Benchmark]: Boogie Preprocessor took 239.85ms. Allocated memory is still 142.6MB. Free memory was 73.7MB in the beginning and 89.3MB in the end (delta: -15.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-12-02 14:25:01,836 INFO L158 Benchmark]: RCFGBuilder took 10645.87ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 89.3MB in the beginning and 174.5MB in the end (delta: -85.2MB). Peak memory consumption was 202.3MB. Max. memory is 16.1GB. [2024-12-02 14:25:01,836 INFO L158 Benchmark]: TraceAbstraction took 173054.11ms. Allocated memory was 427.8MB in the beginning and 1.4GB in the end (delta: 964.7MB). Free memory was 173.7MB in the beginning and 759.7MB in the end (delta: -586.0MB). Peak memory consumption was 701.2MB. Max. memory is 16.1GB. [2024-12-02 14:25:01,836 INFO L158 Benchmark]: Witness Printer took 268.59ms. Allocated memory is still 1.4GB. Free memory was 759.7MB in the beginning and 726.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 14:25:01,837 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.07ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 88.3MB in the end (delta: 24.9MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.79ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 73.7MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 239.85ms. Allocated memory is still 142.6MB. Free memory was 73.7MB in the beginning and 89.3MB in the end (delta: -15.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * RCFGBuilder took 10645.87ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 89.3MB in the beginning and 174.5MB in the end (delta: -85.2MB). Peak memory consumption was 202.3MB. Max. memory is 16.1GB. * TraceAbstraction took 173054.11ms. Allocated memory was 427.8MB in the beginning and 1.4GB in the end (delta: 964.7MB). Free memory was 173.7MB in the beginning and 759.7MB in the end (delta: -586.0MB). Peak memory consumption was 701.2MB. Max. memory is 16.1GB. * Witness Printer took 268.59ms. Allocated memory is still 1.4GB. Free memory was 759.7MB in the beginning and 726.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 3359]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 851 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 55.2s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 29.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 10439 SdHoareTripleChecker+Valid, 26.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10439 mSDsluCounter, 44242 SdHoareTripleChecker+Invalid, 25.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26324 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 180 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 17918 mSDtfsCounter, 180 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9122occurred in iteration=7, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 79 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 648 NumberOfCodeBlocks, 648 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 939 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 109/109 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2944]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2193]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2755]: Loop Invariant Derived loop invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2247]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2803]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2803]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) - InvariantResult [Line: 2803]: Location Invariant Derived location invariant: (((((ldv_retval_3 == 0) && (1 == ldv_mutex_mutex_of_device)) && (ldv_mutex_lock == 1)) && (ldv_mutex_pch_phub_mutex == 1)) && (ldvarg10 == 0)) RESULT: Ultimate proved your program to be correct! [2024-12-02 14:25:01,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c83c3fab-8ed1-40a4-af89-6419fd18d877/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE