./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU --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 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:32,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:32,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:08:32,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:32,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:32,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:32,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:32,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:32,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:32,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:32,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:32,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:32,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:32,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:32,689 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:32,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:32,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:32,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:08:32,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:32,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:32,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:32,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:32,696 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:32,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:32,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:32,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:32,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:32,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:32,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:32,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:32,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:32,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:32,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:32,699 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:08:32,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:08:32,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:32,701 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:32,701 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:32,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:32,702 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 [2024-10-31 22:08:33,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:33,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:33,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:33,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:33,038 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:33,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c Unable to find full path for "g++" [2024-10-31 22:08:35,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:35,346 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:35,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2024-10-31 22:08:35,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data/054a51863/6e701a9596fc43649d689a5c588ad8af/FLAG4b0d583fd [2024-10-31 22:08:35,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data/054a51863/6e701a9596fc43649d689a5c588ad8af [2024-10-31 22:08:35,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:35,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:35,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:35,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:35,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:35,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:35" (1/1) ... [2024-10-31 22:08:35,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5e48c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:35, skipping insertion in model container [2024-10-31 22:08:35,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:35" (1/1) ... [2024-10-31 22:08:35,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:36,033 WARN L251 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_f551f870-82c8-4899-9f54-f1bef5ebd095/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2024-10-31 22:08:36,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:36,466 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:36,479 WARN L251 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_f551f870-82c8-4899-9f54-f1bef5ebd095/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2024-10-31 22:08:36,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:36,618 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:36,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36 WrapperNode [2024-10-31 22:08:36,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:36,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:36,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:36,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:36,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:36,677 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,060 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3197 [2024-10-31 22:08:37,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:37,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:37,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:37,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:37,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,475 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:08:37,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:37,771 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:37,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:37,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:37,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (1/1) ... [2024-10-31 22:08:37,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:37,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:37,805 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:37,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:08:37,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:37,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:38,154 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:38,157 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:08:43,012 INFO L? ?]: Removed 1718 outVars from TransFormulas that were not future-live. [2024-10-31 22:08:43,012 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:08:43,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:08:43,053 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:08:43,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:43 BoogieIcfgContainer [2024-10-31 22:08:43,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:08:43,056 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:08:43,056 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:08:43,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:08:43,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:08:35" (1/3) ... [2024-10-31 22:08:43,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab95a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:43, skipping insertion in model container [2024-10-31 22:08:43,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:36" (2/3) ... [2024-10-31 22:08:43,064 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab95a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:08:43, skipping insertion in model container [2024-10-31 22:08:43,064 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:43" (3/3) ... [2024-10-31 22:08:43,065 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.1.prop1-func-interl.c [2024-10-31 22:08:43,086 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:08:43,086 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:08:43,207 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:08:43,214 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;@55345645, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:08:43,215 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:08:43,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 1136 states, 1134 states have (on average 1.5052910052910053) internal successors, (1707), 1135 states have internal predecessors, (1707), 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) [2024-10-31 22:08:43,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-31 22:08:43,240 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:43,241 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:43,241 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:43,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:43,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1418999555, now seen corresponding path program 1 times [2024-10-31 22:08:43,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:43,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318494000] [2024-10-31 22:08:43,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:43,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:44,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:44,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:44,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318494000] [2024-10-31 22:08:44,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318494000] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:44,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:44,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:44,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119078913] [2024-10-31 22:08:44,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:44,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:08:44,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:44,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:44,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:44,231 INFO L87 Difference]: Start difference. First operand has 1136 states, 1134 states have (on average 1.5052910052910053) internal successors, (1707), 1135 states have internal predecessors, (1707), 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) Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-31 22:08:44,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:44,391 INFO L93 Difference]: Finished difference Result 2205 states and 3317 transitions. [2024-10-31 22:08:44,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:44,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) Word has length 59 [2024-10-31 22:08:44,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:44,413 INFO L225 Difference]: With dead ends: 2205 [2024-10-31 22:08:44,413 INFO L226 Difference]: Without dead ends: 1135 [2024-10-31 22:08:44,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:44,426 INFO L432 NwaCegarLoop]: 1701 mSDtfsCounter, 0 mSDsluCounter, 3396 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5097 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:44,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5097 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:44,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2024-10-31 22:08:44,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1135. [2024-10-31 22:08:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1135 states, 1134 states have (on average 1.5035273368606703) internal successors, (1705), 1134 states have internal predecessors, (1705), 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) [2024-10-31 22:08:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 1135 states and 1705 transitions. [2024-10-31 22:08:44,549 INFO L78 Accepts]: Start accepts. Automaton has 1135 states and 1705 transitions. Word has length 59 [2024-10-31 22:08:44,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:44,551 INFO L471 AbstractCegarLoop]: Abstraction has 1135 states and 1705 transitions. [2024-10-31 22:08:44,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-10-31 22:08:44,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 1705 transitions. [2024-10-31 22:08:44,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-31 22:08:44,553 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:44,554 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:44,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:08:44,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:44,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:44,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1041008749, now seen corresponding path program 1 times [2024-10-31 22:08:44,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:44,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461654286] [2024-10-31 22:08:44,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:44,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:44,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:44,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:44,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461654286] [2024-10-31 22:08:44,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461654286] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:44,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:44,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:44,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661714463] [2024-10-31 22:08:44,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:44,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:08:44,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:44,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:44,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:44,854 INFO L87 Difference]: Start difference. First operand 1135 states and 1705 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-31 22:08:45,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:45,016 INFO L93 Difference]: Finished difference Result 2206 states and 3315 transitions. [2024-10-31 22:08:45,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:45,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) Word has length 60 [2024-10-31 22:08:45,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:45,031 INFO L225 Difference]: With dead ends: 2206 [2024-10-31 22:08:45,031 INFO L226 Difference]: Without dead ends: 1137 [2024-10-31 22:08:45,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:45,039 INFO L432 NwaCegarLoop]: 1701 mSDtfsCounter, 0 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5093 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:45,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5093 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-10-31 22:08:45,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1137. [2024-10-31 22:08:45,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1136 states have (on average 1.5026408450704225) internal successors, (1707), 1136 states have internal predecessors, (1707), 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) [2024-10-31 22:08:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1707 transitions. [2024-10-31 22:08:45,094 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1707 transitions. Word has length 60 [2024-10-31 22:08:45,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:45,097 INFO L471 AbstractCegarLoop]: Abstraction has 1137 states and 1707 transitions. [2024-10-31 22:08:45,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-10-31 22:08:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1707 transitions. [2024-10-31 22:08:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-31 22:08:45,100 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:45,100 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:45,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:08:45,103 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:45,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:45,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1108534556, now seen corresponding path program 1 times [2024-10-31 22:08:45,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:45,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653827716] [2024-10-31 22:08:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:45,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:45,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:45,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653827716] [2024-10-31 22:08:45,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653827716] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:45,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:45,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:08:45,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559043016] [2024-10-31 22:08:45,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:45,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:08:45,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:08:45,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:45,447 INFO L87 Difference]: Start difference. First operand 1137 states and 1707 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-31 22:08:45,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:45,536 INFO L93 Difference]: Finished difference Result 2214 states and 3325 transitions. [2024-10-31 22:08:45,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:45,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) Word has length 61 [2024-10-31 22:08:45,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:45,543 INFO L225 Difference]: With dead ends: 2214 [2024-10-31 22:08:45,543 INFO L226 Difference]: Without dead ends: 1143 [2024-10-31 22:08:45,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:08:45,547 INFO L432 NwaCegarLoop]: 1701 mSDtfsCounter, 4 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5087 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:45,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 5087 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:08:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2024-10-31 22:08:45,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1143. [2024-10-31 22:08:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1142 states have (on average 1.501751313485114) internal successors, (1715), 1142 states have internal predecessors, (1715), 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) [2024-10-31 22:08:45,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1715 transitions. [2024-10-31 22:08:45,577 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1715 transitions. Word has length 61 [2024-10-31 22:08:45,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:45,578 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1715 transitions. [2024-10-31 22:08:45,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2024-10-31 22:08:45,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1715 transitions. [2024-10-31 22:08:45,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-31 22:08:45,580 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:45,580 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:45,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:08:45,581 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:45,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:45,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1058890139, now seen corresponding path program 1 times [2024-10-31 22:08:45,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:45,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98814155] [2024-10-31 22:08:45,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:45,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:45,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:45,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:45,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98814155] [2024-10-31 22:08:45,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98814155] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:45,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:45,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:08:45,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204968556] [2024-10-31 22:08:45,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:45,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:08:45,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:45,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:08:45,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:45,827 INFO L87 Difference]: Start difference. First operand 1143 states and 1715 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) [2024-10-31 22:08:45,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:45,946 INFO L93 Difference]: Finished difference Result 2224 states and 3337 transitions. [2024-10-31 22:08:45,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:08:45,947 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) Word has length 62 [2024-10-31 22:08:45,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:45,951 INFO L225 Difference]: With dead ends: 2224 [2024-10-31 22:08:45,951 INFO L226 Difference]: Without dead ends: 1147 [2024-10-31 22:08:45,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:45,954 INFO L432 NwaCegarLoop]: 1701 mSDtfsCounter, 0 mSDsluCounter, 5069 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6770 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:45,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6770 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:08:45,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1147 states. [2024-10-31 22:08:45,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1147 to 1143. [2024-10-31 22:08:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1143 states, 1142 states have (on average 1.501751313485114) internal successors, (1715), 1142 states have internal predecessors, (1715), 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) [2024-10-31 22:08:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1715 transitions. [2024-10-31 22:08:45,979 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1715 transitions. Word has length 62 [2024-10-31 22:08:45,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:45,980 INFO L471 AbstractCegarLoop]: Abstraction has 1143 states and 1715 transitions. [2024-10-31 22:08:45,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) [2024-10-31 22:08:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1715 transitions. [2024-10-31 22:08:45,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-31 22:08:45,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:45,982 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:45,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:08:45,982 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:45,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:45,983 INFO L85 PathProgramCache]: Analyzing trace with hash -625256907, now seen corresponding path program 1 times [2024-10-31 22:08:45,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:45,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397951973] [2024-10-31 22:08:45,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:45,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:46,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:46,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397951973] [2024-10-31 22:08:46,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397951973] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:46,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:46,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:08:46,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731964166] [2024-10-31 22:08:46,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:46,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:08:46,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:46,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:08:46,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:08:46,372 INFO L87 Difference]: Start difference. First operand 1143 states and 1715 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-10-31 22:08:48,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:48,267 INFO L93 Difference]: Finished difference Result 3281 states and 4925 transitions. [2024-10-31 22:08:48,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:08:48,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) Word has length 63 [2024-10-31 22:08:48,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:48,276 INFO L225 Difference]: With dead ends: 3281 [2024-10-31 22:08:48,276 INFO L226 Difference]: Without dead ends: 2204 [2024-10-31 22:08:48,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:08:48,279 INFO L432 NwaCegarLoop]: 1347 mSDtfsCounter, 1635 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 5301 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:48,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 5301 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-31 22:08:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2204 states. [2024-10-31 22:08:48,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2204 to 1174. [2024-10-31 22:08:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1173 states have (on average 1.5004262574595055) internal successors, (1760), 1173 states have internal predecessors, (1760), 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) [2024-10-31 22:08:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1760 transitions. [2024-10-31 22:08:48,322 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1760 transitions. Word has length 63 [2024-10-31 22:08:48,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:48,323 INFO L471 AbstractCegarLoop]: Abstraction has 1174 states and 1760 transitions. [2024-10-31 22:08:48,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2024-10-31 22:08:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1760 transitions. [2024-10-31 22:08:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 22:08:48,325 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:48,325 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:48,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:08:48,326 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:48,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:48,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1969110409, now seen corresponding path program 1 times [2024-10-31 22:08:48,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:48,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159626700] [2024-10-31 22:08:48,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:48,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:08:48,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:08:48,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:08:48,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159626700] [2024-10-31 22:08:48,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159626700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:08:48,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:08:48,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-31 22:08:48,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119031463] [2024-10-31 22:08:48,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:08:48,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:08:48,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:08:48,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:08:48,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:08:48,895 INFO L87 Difference]: Start difference. First operand 1174 states and 1760 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2024-10-31 22:08:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:08:50,358 INFO L93 Difference]: Finished difference Result 2266 states and 3398 transitions. [2024-10-31 22:08:50,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:08:50,359 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) Word has length 64 [2024-10-31 22:08:50,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:08:50,363 INFO L225 Difference]: With dead ends: 2266 [2024-10-31 22:08:50,363 INFO L226 Difference]: Without dead ends: 1189 [2024-10-31 22:08:50,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:08:50,370 INFO L432 NwaCegarLoop]: 1326 mSDtfsCounter, 1668 mSDsluCounter, 3964 mSDsCounter, 0 mSdLazyCounter, 1521 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 5290 SdHoareTripleChecker+Invalid, 1522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:08:50,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 5290 Invalid, 1522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1521 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-31 22:08:50,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2024-10-31 22:08:50,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1187. [2024-10-31 22:08:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1186 states have (on average 1.4966273187183812) internal successors, (1775), 1186 states have internal predecessors, (1775), 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) [2024-10-31 22:08:50,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1775 transitions. [2024-10-31 22:08:50,401 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1775 transitions. Word has length 64 [2024-10-31 22:08:50,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:08:50,402 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1775 transitions. [2024-10-31 22:08:50,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2024-10-31 22:08:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1775 transitions. [2024-10-31 22:08:50,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-31 22:08:50,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:08:50,407 INFO L215 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:50,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:08:50,408 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:08:50,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:08:50,408 INFO L85 PathProgramCache]: Analyzing trace with hash -593533898, now seen corresponding path program 1 times [2024-10-31 22:08:50,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:08:50,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616114772] [2024-10-31 22:08:50,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:08:50,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:08:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:50,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:08:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:08:50,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:08:50,599 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:08:50,600 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:08:50,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:08:50,606 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:08:50,684 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:08:50,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:08:50 BoogieIcfgContainer [2024-10-31 22:08:50,691 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:08:50,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:08:50,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:08:50,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:08:50,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:08:43" (3/4) ... [2024-10-31 22:08:50,695 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:08:50,696 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:08:50,697 INFO L158 Benchmark]: Toolchain (without parser) took 15026.14ms. Allocated memory was 125.8MB in the beginning and 559.9MB in the end (delta: 434.1MB). Free memory was 84.0MB in the beginning and 360.3MB in the end (delta: -276.3MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB. [2024-10-31 22:08:50,698 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:50,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.24ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 83.6MB in the beginning and 109.2MB in the end (delta: -25.6MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-10-31 22:08:50,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 441.17ms. Allocated memory is still 163.6MB. Free memory was 109.2MB in the beginning and 72.5MB in the end (delta: 36.7MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-10-31 22:08:50,699 INFO L158 Benchmark]: Boogie Preprocessor took 708.21ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 71.9MB in the beginning and 163.3MB in the end (delta: -91.3MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-10-31 22:08:50,700 INFO L158 Benchmark]: RCFGBuilder took 5282.95ms. Allocated memory was 285.2MB in the beginning and 413.1MB in the end (delta: 127.9MB). Free memory was 163.3MB in the beginning and 288.7MB in the end (delta: -125.4MB). Peak memory consumption was 166.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:50,701 INFO L158 Benchmark]: TraceAbstraction took 7634.40ms. Allocated memory was 413.1MB in the beginning and 559.9MB in the end (delta: 146.8MB). Free memory was 287.6MB in the beginning and 360.3MB in the end (delta: -72.7MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. [2024-10-31 22:08:50,701 INFO L158 Benchmark]: Witness Printer took 5.48ms. Allocated memory is still 559.9MB. Free memory is still 360.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:08:50,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 946.24ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 83.6MB in the beginning and 109.2MB in the end (delta: -25.6MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 441.17ms. Allocated memory is still 163.6MB. Free memory was 109.2MB in the beginning and 72.5MB in the end (delta: 36.7MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 708.21ms. Allocated memory was 163.6MB in the beginning and 285.2MB in the end (delta: 121.6MB). Free memory was 71.9MB in the beginning and 163.3MB in the end (delta: -91.3MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5282.95ms. Allocated memory was 285.2MB in the beginning and 413.1MB in the end (delta: 127.9MB). Free memory was 163.3MB in the beginning and 288.7MB in the end (delta: -125.4MB). Peak memory consumption was 166.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7634.40ms. Allocated memory was 413.1MB in the beginning and 559.9MB in the end (delta: 146.8MB). Free memory was 287.6MB in the beginning and 360.3MB in the end (delta: -72.7MB). Peak memory consumption was 73.1MB. Max. memory is 16.1GB. * Witness Printer took 5.48ms. Allocated memory is still 559.9MB. Free memory is still 360.3MB. There was no memory consumed. 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 149. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_16 = 0; [L40] const SORT_4 var_39 = 1; [L41] const SORT_4 var_40 = 0; [L42] const SORT_2 var_47 = 1; [L43] const SORT_3 var_49 = 0; [L44] const SORT_4 var_52 = 2; [L45] const SORT_2 var_62 = 0; [L47] SORT_1 input_48; [L48] SORT_1 input_56; [L49] SORT_1 input_63; [L50] SORT_1 input_69; [L51] SORT_1 input_95; [L52] SORT_1 input_99; [L53] SORT_1 input_102; [L54] SORT_1 input_103; [L55] SORT_1 input_109; [L56] SORT_1 input_115; [L57] SORT_1 input_130; [L58] SORT_1 input_148; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L60] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L61] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L62] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L63] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L64] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L65] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L66] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L67] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L68] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L69] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L70] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L71] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L72] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L73] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L74] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, var_16=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_5=0, var_62=0] [L75] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_2 init_7_arg_1 = var_5; [L78] state_6 = init_7_arg_1 [L79] SORT_2 init_9_arg_1 = var_5; [L80] state_8 = init_9_arg_1 [L81] SORT_2 init_11_arg_1 = var_5; [L82] state_10 = init_11_arg_1 [L83] SORT_2 init_13_arg_1 = var_5; [L84] state_12 = init_13_arg_1 [L85] SORT_2 init_15_arg_1 = var_5; [L86] state_14 = init_15_arg_1 [L87] SORT_1 init_18_arg_1 = var_16; [L88] state_17 = init_18_arg_1 [L89] SORT_1 init_20_arg_1 = var_16; [L90] state_19 = init_20_arg_1 [L91] SORT_1 init_22_arg_1 = var_16; [L92] state_21 = init_22_arg_1 [L93] SORT_1 init_24_arg_1 = var_16; [L94] state_23 = init_24_arg_1 [L95] SORT_1 init_26_arg_1 = var_16; [L96] state_25 = init_26_arg_1 [L97] SORT_1 init_28_arg_1 = var_16; [L98] state_27 = init_28_arg_1 [L99] SORT_1 init_30_arg_1 = var_16; [L100] state_29 = init_30_arg_1 [L101] SORT_1 init_32_arg_1 = var_16; [L102] state_31 = init_32_arg_1 [L103] SORT_1 init_34_arg_1 = var_16; [L104] state_33 = init_34_arg_1 [L105] SORT_1 init_36_arg_1 = var_16; [L106] state_35 = init_36_arg_1 [L107] SORT_1 init_38_arg_1 = var_16; [L108] state_37 = init_38_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L111] input_48 = __VERIFIER_nondet_uchar() [L112] input_56 = __VERIFIER_nondet_uchar() [L113] input_63 = __VERIFIER_nondet_uchar() [L114] input_69 = __VERIFIER_nondet_uchar() [L115] input_95 = __VERIFIER_nondet_uchar() [L116] EXPR input_95 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L116] input_95 = input_95 & mask_SORT_1 [L117] input_99 = __VERIFIER_nondet_uchar() [L118] EXPR input_99 & mask_SORT_1 VAL [input_95=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L118] input_99 = input_99 & mask_SORT_1 [L119] input_102 = __VERIFIER_nondet_uchar() [L120] EXPR input_102 & mask_SORT_1 VAL [input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L120] input_102 = input_102 & mask_SORT_1 [L121] input_103 = __VERIFIER_nondet_uchar() [L122] EXPR input_103 & mask_SORT_1 VAL [input_102=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L122] input_103 = input_103 & mask_SORT_1 [L123] input_109 = __VERIFIER_nondet_uchar() [L124] EXPR input_109 & mask_SORT_1 VAL [input_102=0, input_103=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L124] input_109 = input_109 & mask_SORT_1 [L125] input_115 = __VERIFIER_nondet_uchar() [L126] EXPR input_115 & mask_SORT_1 VAL [input_102=0, input_103=0, input_109=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L126] input_115 = input_115 & mask_SORT_1 [L127] input_130 = __VERIFIER_nondet_uchar() [L128] input_148 = __VERIFIER_nondet_uchar() [L131] SORT_1 var_41_arg_0 = state_25; [L132] SORT_4 var_41_arg_1 = var_39; [L133] SORT_4 var_41_arg_2 = var_40; [L134] SORT_4 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L135] SORT_1 var_42_arg_0 = state_35; [L136] SORT_4 var_42_arg_1 = var_39; [L137] SORT_4 var_42_arg_2 = var_40; [L138] SORT_4 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L139] SORT_4 var_43_arg_0 = var_41; [L140] SORT_4 var_43_arg_1 = var_42; [L141] SORT_4 var_43 = var_43_arg_0 + var_43_arg_1; VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_43=0, var_47=1, var_49=0, var_52=2, var_62=0] [L142] EXPR var_43 & mask_SORT_4 VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L142] var_43 = var_43 & mask_SORT_4 [L143] SORT_4 var_44_arg_0 = var_43; [L144] SORT_4 var_44_arg_1 = var_39; [L145] SORT_1 var_44 = var_44_arg_0 <= var_44_arg_1; [L146] SORT_1 var_45_arg_0 = ~state_37; VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_44=1, var_45_arg_0=-1, var_47=1, var_49=0, var_52=2, var_62=0] [L147] EXPR var_45_arg_0 & mask_SORT_1 VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_44=1, var_47=1, var_49=0, var_52=2, var_62=0] [L147] var_45_arg_0 = var_45_arg_0 & mask_SORT_1 [L148] SORT_1 var_45_arg_1 = ~var_44; VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_45_arg_0=1, var_45_arg_1=-2, var_47=1, var_49=0, var_52=2, var_62=0] [L149] EXPR var_45_arg_1 & mask_SORT_1 VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_45_arg_0=1, var_47=1, var_49=0, var_52=2, var_62=0] [L149] var_45_arg_1 = var_45_arg_1 & mask_SORT_1 [L150] EXPR var_45_arg_0 & var_45_arg_1 VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L150] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L151] EXPR var_45 & mask_SORT_1 VAL [input_102=0, input_103=0, input_109=0, input_115=0, input_95=0, input_99=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_39=1, var_40=0, var_47=1, var_49=0, var_52=2, var_62=0] [L151] var_45 = var_45 & mask_SORT_1 [L152] SORT_1 bad_46_arg_0 = var_45; [L153] CALL __VERIFIER_assert(!(bad_46_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1136 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3307 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3307 mSDsluCounter, 32638 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23161 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3023 IncrementalHoareTripleChecker+Invalid, 3026 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 9477 mSDtfsCounter, 3023 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1187occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1036 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:08:50,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU --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 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:08:53,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:08:53,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-31 22:08:53,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:08:53,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:08:53,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:08:53,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:08:53,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:08:53,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:08:53,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:08:53,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:08:53,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:08:53,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:08:53,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:08:53,414 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:08:53,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:08:53,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:08:53,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:08:53,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:08:53,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:08:53,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:08:53,418 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:08:53,418 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:08:53,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:08:53,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:08:53,419 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:08:53,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:08:53,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:08:53,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:08:53,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:08:53,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:08:53,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:53,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:08:53,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:08:53,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:08:53,424 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:08:53,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:08:53,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:08:53,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:08:53,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:08:53,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:08:53,427 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:08:53,436 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5335ff3ae60d503c7989a0baf091bf4ee05fe6735e77308a3563d234056465f1 [2024-10-31 22:08:53,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:08:53,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:08:53,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:08:53,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:08:53,923 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:08:53,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c Unable to find full path for "g++" [2024-10-31 22:08:56,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:08:56,963 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:08:56,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c [2024-10-31 22:08:56,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data/a153d3389/1443fa62bf2c4183987450b3ceefc460/FLAGbe73fb98a [2024-10-31 22:08:57,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/data/a153d3389/1443fa62bf2c4183987450b3ceefc460 [2024-10-31 22:08:57,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:08:57,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:08:57,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:57,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:08:57,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:08:57,090 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,091 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654b0b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:57, skipping insertion in model container [2024-10-31 22:08:57,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:08:57" (1/1) ... [2024-10-31 22:08:57,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:08:57,513 WARN L251 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_f551f870-82c8-4899-9f54-f1bef5ebd095/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2024-10-31 22:08:57,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:57,843 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:08:57,866 WARN L251 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_f551f870-82c8-4899-9f54-f1bef5ebd095/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.1.prop1-func-interl.c[1175,1188] [2024-10-31 22:08:57,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:08:58,028 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:08:58,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58 WrapperNode [2024-10-31 22:08:58,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:08:58,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:58,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:08:58,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:08:58,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,197 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 921 [2024-10-31 22:08:58,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:08:58,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:08:58,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:08:58,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:08:58,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,255 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:08:58,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:08:58,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:08:58,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:08:58,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:08:58,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:08:58" (1/1) ... [2024-10-31 22:08:58,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:08:58,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:08:58,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:08:58,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f551f870-82c8-4899-9f54-f1bef5ebd095/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:08:58,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:08:58,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:08:58,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:08:58,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:08:58,722 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:08:58,725 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation