./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --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 58655e839e4406287ba5c108c53173536a6728ac7e002b9896f2922b7a3c815d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:54:48,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:54:48,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:54:48,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:54:48,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:54:48,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:54:48,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:54:48,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:54:48,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:54:48,433 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:54:48,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:54:48,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:54:48,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:54:48,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:54:48,442 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:54:48,444 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:54:48,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:54:48,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:54:48,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:54:48,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:54:48,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:54:48,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:54:48,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:54:48,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:54:48,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:54:48,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:54:48,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:54:48,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:54:48,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:54:48,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:54:48,483 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:54:48,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:54:48,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:54:48,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:54:48,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:54:48,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:54:48,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:54:48,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:54:48,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:54:48,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:54:48,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:54:48,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:54:48,532 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:54:48,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:54:48,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:54:48,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:54:48,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:54:48,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:54:48,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:54:48,539 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:54:48,540 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:54:48,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:54:48,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:54:48,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:54:48,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:54:48,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:54:48,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:54:48,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:54:48,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:54:48,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:54:48,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:54:48,545 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:54:48,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:54:48,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:54:48,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:54:48,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:54:48,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:54:48,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:54:48,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:54:48,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:54:48,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:54:48,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:54:48,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58655e839e4406287ba5c108c53173536a6728ac7e002b9896f2922b7a3c815d [2022-11-18 20:54:48,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:54:48,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:54:48,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:54:48,913 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:54:48,914 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:54:48,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2022-11-18 20:54:49,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/1d8a9b2d3/4d76a8cc3b0a440e940ba2f27402de25/FLAG6ba7b4dad [2022-11-18 20:54:49,836 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:54:49,837 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2022-11-18 20:54:49,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/1d8a9b2d3/4d76a8cc3b0a440e940ba2f27402de25/FLAG6ba7b4dad [2022-11-18 20:54:49,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/1d8a9b2d3/4d76a8cc3b0a440e940ba2f27402de25 [2022-11-18 20:54:49,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:54:49,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:54:49,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:54:49,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:54:49,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:54:49,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:49" (1/1) ... [2022-11-18 20:54:49,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f459359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:49, skipping insertion in model container [2022-11-18 20:54:49,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:49" (1/1) ... [2022-11-18 20:54:49,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:54:50,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:54:50,409 WARN L234 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1107,1120] [2022-11-18 20:54:50,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:54:50,917 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:54:50,930 WARN L234 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1107,1120] [2022-11-18 20:54:51,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:54:51,266 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:54:51,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51 WrapperNode [2022-11-18 20:54:51,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:54:51,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:54:51,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:54:51,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:54:51,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,520 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2937 [2022-11-18 20:54:51,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:54:51,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:54:51,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:54:51,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:54:51,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:54:51,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:54:51,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:54:51,766 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:54:51,767 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (1/1) ... [2022-11-18 20:54:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:54:51,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:54:51,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:54:51,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:54:51,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:54:51,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:54:52,528 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:54:52,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:54:55,743 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:54:55,758 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:54:55,758 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:54:55,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:55 BoogieIcfgContainer [2022-11-18 20:54:55,763 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:54:55,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:54:55,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:54:55,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:54:55,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:54:49" (1/3) ... [2022-11-18 20:54:55,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3071c1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:54:55, skipping insertion in model container [2022-11-18 20:54:55,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:51" (2/3) ... [2022-11-18 20:54:55,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3071c1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:54:55, skipping insertion in model container [2022-11-18 20:54:55,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:55" (3/3) ... [2022-11-18 20:54:55,774 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p4.c [2022-11-18 20:54:55,798 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:54:55,799 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:54:55,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:54:55,897 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5ca4157b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:54:55,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:54:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 491 states, 489 states have (on average 1.6625766871165644) internal successors, (813), 490 states have internal predecessors, (813), 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) [2022-11-18 20:54:55,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-18 20:54:55,916 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:55,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:55,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:54:55,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:55,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1428179117, now seen corresponding path program 1 times [2022-11-18 20:54:55,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:55,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115188981] [2022-11-18 20:54:55,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:55,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:54:56,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:54:56,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:54:56,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115188981] [2022-11-18 20:54:56,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115188981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:54:56,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:54:56,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:54:56,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353551166] [2022-11-18 20:54:56,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:54:56,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:54:56,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:54:56,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:54:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:54:56,967 INFO L87 Difference]: Start difference. First operand has 491 states, 489 states have (on average 1.6625766871165644) internal successors, (813), 490 states have internal predecessors, (813), 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 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-18 20:54:57,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:54:57,216 INFO L93 Difference]: Finished difference Result 1471 states and 2447 transitions. [2022-11-18 20:54:57,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:54:57,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-11-18 20:54:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:54:57,242 INFO L225 Difference]: With dead ends: 1471 [2022-11-18 20:54:57,242 INFO L226 Difference]: Without dead ends: 982 [2022-11-18 20:54:57,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:54:57,263 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 2397 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2397 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:54:57,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2397 Valid, 1663 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:54:57,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-11-18 20:54:57,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 489. [2022-11-18 20:54:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 488 states have (on average 1.6577868852459017) internal successors, (809), 488 states have internal predecessors, (809), 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) [2022-11-18 20:54:57,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 809 transitions. [2022-11-18 20:54:57,356 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 809 transitions. Word has length 13 [2022-11-18 20:54:57,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:54:57,356 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 809 transitions. [2022-11-18 20:54:57,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-18 20:54:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 809 transitions. [2022-11-18 20:54:57,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:54:57,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:54:57,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:54:57,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:54:57,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:54:57,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:54:57,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1325604663, now seen corresponding path program 1 times [2022-11-18 20:54:57,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:54:57,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705565226] [2022-11-18 20:54:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:54:57,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:54:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:57,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:54:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:54:57,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:54:57,975 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:54:57,978 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:54:57,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:54:57,984 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:54:57,991 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:54:58,067 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-18 20:54:58,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:54:58 BoogieIcfgContainer [2022-11-18 20:54:58,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:54:58,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:54:58,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:54:58,111 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:54:58,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:55" (3/4) ... [2022-11-18 20:54:58,115 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:54:58,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:54:58,118 INFO L158 Benchmark]: Toolchain (without parser) took 8173.61ms. Allocated memory was 121.6MB in the beginning and 266.3MB in the end (delta: 144.7MB). Free memory was 77.0MB in the beginning and 97.4MB in the end (delta: -20.4MB). Peak memory consumption was 124.2MB. Max. memory is 16.1GB. [2022-11-18 20:54:58,120 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:54:58,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.26ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 76.7MB in the beginning and 100.2MB in the end (delta: -23.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-18 20:54:58,129 INFO L158 Benchmark]: Boogie Procedure Inliner took 249.79ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 76.2MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-18 20:54:58,130 INFO L158 Benchmark]: Boogie Preprocessor took 243.28ms. Allocated memory is still 146.8MB. Free memory was 76.2MB in the beginning and 92.3MB in the end (delta: -16.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-11-18 20:54:58,131 INFO L158 Benchmark]: RCFGBuilder took 3997.43ms. Allocated memory was 146.8MB in the beginning and 266.3MB in the end (delta: 119.5MB). Free memory was 92.3MB in the beginning and 127.6MB in the end (delta: -35.3MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2022-11-18 20:54:58,132 INFO L158 Benchmark]: TraceAbstraction took 2343.25ms. Allocated memory is still 266.3MB. Free memory was 126.6MB in the beginning and 98.5MB in the end (delta: 28.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-18 20:54:58,133 INFO L158 Benchmark]: Witness Printer took 6.76ms. Allocated memory is still 266.3MB. Free memory was 98.5MB in the beginning and 97.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:54:58,140 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.26ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 76.7MB in the beginning and 100.2MB in the end (delta: -23.4MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 249.79ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 76.2MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 243.28ms. Allocated memory is still 146.8MB. Free memory was 76.2MB in the beginning and 92.3MB in the end (delta: -16.2MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * RCFGBuilder took 3997.43ms. Allocated memory was 146.8MB in the beginning and 266.3MB in the end (delta: 119.5MB). Free memory was 92.3MB in the beginning and 127.6MB in the end (delta: -35.3MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2343.25ms. Allocated memory is still 266.3MB. Free memory was 126.6MB in the beginning and 98.5MB in the end (delta: 28.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 6.76ms. Allocated memory is still 266.3MB. Free memory was 98.5MB in the beginning and 97.4MB in the end (delta: 1.0MB). 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: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 222, overapproximation of bitwiseComplement at line 224, overapproximation of bitwiseAnd at line 227. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L28] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 1); [L29] const SORT_8 msb_SORT_8 = (SORT_8)1 << (1 - 1); [L31] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L32] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L34] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 3); [L35] const SORT_22 msb_SORT_22 = (SORT_22)1 << (3 - 1); [L37] const SORT_310 mask_SORT_310 = (SORT_310)-1 >> (sizeof(SORT_310) * 8 - 2); [L38] const SORT_310 msb_SORT_310 = (SORT_310)1 << (2 - 1); [L40] const SORT_314 mask_SORT_314 = (SORT_314)-1 >> (sizeof(SORT_314) * 8 - 5); [L41] const SORT_314 msb_SORT_314 = (SORT_314)1 << (5 - 1); [L43] const SORT_316 mask_SORT_316 = (SORT_316)-1 >> (sizeof(SORT_316) * 8 - 6); [L44] const SORT_316 msb_SORT_316 = (SORT_316)1 << (6 - 1); [L46] const SORT_318 mask_SORT_318 = (SORT_318)-1 >> (sizeof(SORT_318) * 8 - 7); [L47] const SORT_318 msb_SORT_318 = (SORT_318)1 << (7 - 1); [L49] const SORT_320 mask_SORT_320 = (SORT_320)-1 >> (sizeof(SORT_320) * 8 - 8); [L50] const SORT_320 msb_SORT_320 = (SORT_320)1 << (8 - 1); [L52] const SORT_322 mask_SORT_322 = (SORT_322)-1 >> (sizeof(SORT_322) * 8 - 9); [L53] const SORT_322 msb_SORT_322 = (SORT_322)1 << (9 - 1); [L55] const SORT_324 mask_SORT_324 = (SORT_324)-1 >> (sizeof(SORT_324) * 8 - 10); [L56] const SORT_324 msb_SORT_324 = (SORT_324)1 << (10 - 1); [L58] const SORT_326 mask_SORT_326 = (SORT_326)-1 >> (sizeof(SORT_326) * 8 - 11); [L59] const SORT_326 msb_SORT_326 = (SORT_326)1 << (11 - 1); [L61] const SORT_8 var_18 = 0; [L62] const SORT_22 var_23 = 0; [L63] const SORT_22 var_26 = 4; [L64] const SORT_22 var_29 = 5; [L65] const SORT_1 var_32 = 0; [L66] const SORT_1 var_35 = 2730; [L67] const SORT_8 var_42 = 1; [L68] const SORT_13 var_65 = 2; [L69] const SORT_13 var_70 = 9; [L70] const SORT_13 var_78 = 15; [L71] const SORT_13 var_83 = 1; [L72] const SORT_13 var_85 = 3; [L73] const SORT_13 var_88 = 5; [L74] const SORT_13 var_91 = 7; [L75] const SORT_13 var_94 = 11; [L76] const SORT_13 var_118 = 8; [L77] const SORT_13 var_122 = 10; [L78] const SORT_13 var_126 = 13; [L79] const SORT_13 var_137 = 4; [L80] const SORT_13 var_139 = 12; [L81] const SORT_13 var_142 = 14; [L82] const SORT_13 var_148 = 6; [L83] const SORT_13 var_175 = 0; [L84] const SORT_22 var_221 = 1; [L85] const SORT_1 var_250 = 4095; [L86] const SORT_1 var_580 = 1; [L87] const SORT_326 var_598 = 0; [L89] SORT_1 input_2; [L90] SORT_1 input_3; [L91] SORT_1 input_4; [L92] SORT_1 input_5; [L93] SORT_1 input_6; [L94] SORT_1 input_7; [L95] SORT_8 input_9; [L96] SORT_8 input_10; [L97] SORT_8 input_11; [L98] SORT_1 input_12; [L99] SORT_13 input_14; [L100] SORT_8 input_15; [L101] SORT_8 input_16; [L102] SORT_8 input_17; [L103] SORT_1 input_217; [L104] SORT_1 input_237; [L105] SORT_22 input_240; [L107] SORT_8 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_8; [L108] SORT_22 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_22; [L109] SORT_1 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L110] SORT_1 state_38 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] SORT_1 state_40 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] SORT_1 state_44 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] SORT_1 state_46 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] SORT_1 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] SORT_1 state_52 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L116] SORT_1 state_67 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] SORT_22 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_22; [L118] SORT_1 state_135 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L120] SORT_8 init_20_arg_1 = var_18; [L121] state_19 = init_20_arg_1 [L122] SORT_22 init_25_arg_1 = var_23; [L123] state_24 = init_25_arg_1 [L124] SORT_1 init_34_arg_1 = var_32; [L125] state_33 = init_34_arg_1 [L126] SORT_1 init_39_arg_1 = var_32; [L127] state_38 = init_39_arg_1 [L128] SORT_1 init_41_arg_1 = var_32; [L129] state_40 = init_41_arg_1 [L130] SORT_1 init_45_arg_1 = var_32; [L131] state_44 = init_45_arg_1 [L132] SORT_1 init_47_arg_1 = var_32; [L133] state_46 = init_47_arg_1 [L134] SORT_1 init_51_arg_1 = var_32; [L135] state_50 = init_51_arg_1 [L136] SORT_1 init_53_arg_1 = var_32; [L137] state_52 = init_53_arg_1 [L138] SORT_1 init_68_arg_1 = var_32; [L139] state_67 = init_68_arg_1 [L140] SORT_22 init_107_arg_1 = var_23; [L141] state_106 = init_107_arg_1 [L142] SORT_1 init_136_arg_1 = var_32; [L143] state_135 = init_136_arg_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L146] input_2 = __VERIFIER_nondet_ushort() [L147] input_3 = __VERIFIER_nondet_ushort() [L148] input_4 = __VERIFIER_nondet_ushort() [L149] input_5 = __VERIFIER_nondet_ushort() [L150] input_6 = __VERIFIER_nondet_ushort() [L151] input_7 = __VERIFIER_nondet_ushort() [L152] input_9 = __VERIFIER_nondet_uchar() [L153] input_10 = __VERIFIER_nondet_uchar() [L154] input_11 = __VERIFIER_nondet_uchar() [L155] input_11 = input_11 & mask_SORT_8 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_10=2, input_11=0, input_2=4103, input_3=4106, input_4=4099, input_5=4096, input_6=0, input_7=0, input_9=4, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L156] input_12 = __VERIFIER_nondet_ushort() [L157] input_14 = __VERIFIER_nondet_uchar() [L158] input_14 = input_14 & mask_SORT_13 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_10=2, input_11=0, input_12=4108, input_14=0, input_2=4103, input_3=4106, input_4=4099, input_5=4096, input_6=0, input_7=0, input_9=4, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L159] input_15 = __VERIFIER_nondet_uchar() [L160] input_16 = __VERIFIER_nondet_uchar() [L161] input_17 = __VERIFIER_nondet_uchar() [L162] input_217 = __VERIFIER_nondet_ushort() [L163] input_237 = __VERIFIER_nondet_ushort() [L164] input_240 = __VERIFIER_nondet_uchar() [L167] SORT_8 var_21_arg_0 = state_19; [L168] SORT_8 var_21_arg_1 = var_18; [L169] SORT_8 var_21 = var_21_arg_0 == var_21_arg_1; [L170] SORT_22 var_27_arg_0 = state_24; [L171] SORT_22 var_27_arg_1 = var_26; [L172] SORT_8 var_27 = var_27_arg_0 == var_27_arg_1; [L173] SORT_8 var_28_arg_0 = var_21; [L174] SORT_8 var_28_arg_1 = var_27; [L175] SORT_8 var_28 = var_28_arg_0 | var_28_arg_1; [L176] SORT_22 var_30_arg_0 = state_24; [L177] SORT_22 var_30_arg_1 = var_29; [L178] SORT_8 var_30 = var_30_arg_0 == var_30_arg_1; [L179] SORT_8 var_31_arg_0 = var_28; [L180] SORT_8 var_31_arg_1 = var_30; [L181] SORT_8 var_31 = var_31_arg_0 | var_31_arg_1; [L182] SORT_1 var_36_arg_0 = state_33; [L183] SORT_1 var_36_arg_1 = var_35; [L184] SORT_8 var_36 = var_36_arg_0 != var_36_arg_1; [L185] SORT_8 var_37_arg_0 = var_31; [L186] SORT_8 var_37_arg_1 = var_36; [L187] SORT_8 var_37 = var_37_arg_0 | var_37_arg_1; [L188] SORT_8 var_55_arg_0 = var_42; [L189] SORT_1 var_55_arg_1 = input_7; [L190] SORT_1 var_55_arg_2 = input_6; [L191] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L192] SORT_8 var_54_arg_0 = var_42; [L193] SORT_1 var_54_arg_1 = state_52; [L194] SORT_1 var_54_arg_2 = state_50; [L195] SORT_1 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L196] SORT_8 var_56_arg_0 = var_18; [L197] SORT_1 var_56_arg_1 = var_55; [L198] SORT_1 var_56_arg_2 = var_54; [L199] SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L200] SORT_8 var_48_arg_0 = var_42; [L201] SORT_1 var_48_arg_1 = state_46; [L202] SORT_1 var_48_arg_2 = state_44; [L203] SORT_1 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L204] SORT_8 var_43_arg_0 = var_42; [L205] SORT_1 var_43_arg_1 = state_40; [L206] SORT_1 var_43_arg_2 = state_38; [L207] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L208] SORT_8 var_49_arg_0 = var_18; [L209] SORT_1 var_49_arg_1 = var_48; [L210] SORT_1 var_49_arg_2 = var_43; [L211] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L212] SORT_8 var_57_arg_0 = var_42; [L213] SORT_1 var_57_arg_1 = var_56; [L214] SORT_1 var_57_arg_2 = var_49; [L215] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_10=2, input_11=0, input_12=4108, input_14=0, input_15=8, input_16=5, input_17=6, input_2=4103, input_217=4105, input_237=4097, input_240=11, input_3=4106, input_4=4099, input_5=4096, input_6=0, input_7=0, input_9=4, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L216] var_57 = var_57 & mask_SORT_1 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_10=2, input_11=0, input_12=4108, input_14=0, input_15=8, input_16=5, input_17=6, input_2=4103, input_217=4105, input_237=4097, input_240=11, input_3=4106, input_4=4099, input_5=4096, input_6=0, input_7=0, input_9=4, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L217] SORT_1 var_58_arg_0 = var_57; [L218] SORT_1 var_58_arg_1 = var_35; [L219] SORT_8 var_58 = var_58_arg_0 == var_58_arg_1; [L220] SORT_8 var_59_arg_0 = var_37; [L221] SORT_8 var_59_arg_1 = var_58; [L222] SORT_8 var_59 = var_59_arg_0 | var_59_arg_1; [L223] SORT_8 var_62_arg_0 = var_59; [L224] SORT_8 var_62 = ~var_62_arg_0; [L225] SORT_8 var_63_arg_0 = var_42; [L226] SORT_8 var_63_arg_1 = var_62; [L227] SORT_8 var_63 = var_63_arg_0 & var_63_arg_1; VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_10=2, input_11=0, input_12=4108, input_14=0, input_15=8, input_16=5, input_17=6, input_2=4103, input_217=4105, input_237=4097, input_240=11, input_3=4106, input_4=4099, input_5=4096, input_6=0, input_7=0, input_9=4, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_580=1, var_58_arg_0=0, var_58_arg_1=2730, var_59=1, var_598=0, var_59_arg_0=1, var_59_arg_1=0, var_62=255, var_62_arg_0=1, var_63=1, var_63_arg_0=1, var_63_arg_1=255, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L228] var_63 = var_63 & mask_SORT_8 VAL [init_107_arg_1=0, init_136_arg_1=0, init_20_arg_1=0, init_25_arg_1=0, init_34_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_68_arg_1=0, input_10=2, input_11=0, input_12=4108, input_14=0, input_15=8, input_16=5, input_17=6, input_2=4103, input_217=4105, input_237=4097, input_240=11, input_3=4106, input_4=4099, input_5=4096, input_6=0, input_7=0, input_9=4, mask_SORT_1=4095, mask_SORT_13=15, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, msb_SORT_1=2048, msb_SORT_13=8, msb_SORT_22=4, msb_SORT_310=2, msb_SORT_314=16, msb_SORT_316=32, msb_SORT_318=64, msb_SORT_320=128, msb_SORT_322=256, msb_SORT_324=512, msb_SORT_326=1024, msb_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_21=1, var_21_arg_0=0, var_21_arg_1=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_27=0, var_27_arg_0=0, var_27_arg_1=4, var_28=1, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_30=0, var_30_arg_0=0, var_30_arg_1=5, var_31=1, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_36=1, var_36_arg_0=0, var_36_arg_1=2730, var_37=1, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_43=0, var_43_arg_0=1, var_43_arg_1=0, var_43_arg_2=0, var_48=0, var_48_arg_0=1, var_48_arg_1=0, var_48_arg_2=0, var_49=0, var_49_arg_0=0, var_49_arg_1=0, var_49_arg_2=0, var_54=0, var_54_arg_0=1, var_54_arg_1=0, var_54_arg_2=0, var_55=0, var_55_arg_0=1, var_55_arg_1=0, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=0, var_56_arg_2=0, var_57=0, var_57_arg_0=1, var_57_arg_1=0, var_57_arg_2=0, var_58=0, var_580=1, var_58_arg_0=0, var_58_arg_1=2730, var_59=1, var_598=0, var_59_arg_0=1, var_59_arg_1=0, var_62=255, var_62_arg_0=1, var_63=1, var_63_arg_0=1, var_63_arg_1=255, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L229] SORT_8 bad_64_arg_0 = var_63; [L230] CALL __VERIFIER_assert(!(bad_64_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 491 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2397 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2397 mSDsluCounter, 1663 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 838 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 825 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 493 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-18 20:54:58,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --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 58655e839e4406287ba5c108c53173536a6728ac7e002b9896f2922b7a3c815d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:55:00,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:55:00,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:55:00,918 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:55:00,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:55:00,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:55:00,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:55:00,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:55:00,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:55:00,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:55:00,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:55:00,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:55:00,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:55:00,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:55:00,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:55:00,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:55:00,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:55:00,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:55:00,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:55:00,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:55:00,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:55:00,953 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:55:00,954 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:55:00,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:55:00,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:55:00,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:55:00,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:55:00,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:55:00,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:55:00,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:55:00,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:55:00,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:55:00,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:55:00,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:55:00,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:55:00,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:55:00,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:55:00,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:55:00,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:55:00,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:55:00,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:55:00,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:55:01,021 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:55:01,022 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:55:01,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:55:01,023 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:55:01,023 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:55:01,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:55:01,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:55:01,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:55:01,025 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:55:01,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:55:01,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:55:01,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:55:01,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:55:01,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:55:01,027 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:55:01,027 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:55:01,027 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:55:01,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:55:01,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:55:01,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:55:01,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:55:01,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:55:01,029 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:55:01,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:55:01,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:55:01,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:55:01,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:55:01,031 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:55:01,031 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:55:01,031 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:55:01,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:55:01,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:55:01,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:55:01,032 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58655e839e4406287ba5c108c53173536a6728ac7e002b9896f2922b7a3c815d [2022-11-18 20:55:01,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:55:01,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:55:01,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:55:01,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:55:01,595 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:55:01,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2022-11-18 20:55:01,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/14a31a3da/6734142c32774fd49edf297a7ef65aa1/FLAGe1133499d [2022-11-18 20:55:02,527 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:55:02,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2022-11-18 20:55:02,563 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/14a31a3da/6734142c32774fd49edf297a7ef65aa1/FLAGe1133499d [2022-11-18 20:55:02,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/data/14a31a3da/6734142c32774fd49edf297a7ef65aa1 [2022-11-18 20:55:02,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:55:02,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:55:02,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:55:02,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:55:02,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:55:02,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:02" (1/1) ... [2022-11-18 20:55:02,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637894fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:02, skipping insertion in model container [2022-11-18 20:55:02,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:02" (1/1) ... [2022-11-18 20:55:02,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:55:02,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:55:03,045 WARN L234 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1107,1120] [2022-11-18 20:55:03,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:55:03,663 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:55:03,675 WARN L234 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_bbd17e4a-e77f-422e-8178-6f62926ec3e6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c[1107,1120] [2022-11-18 20:55:03,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:55:03,919 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:55:03,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03 WrapperNode [2022-11-18 20:55:03,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:55:03,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:55:03,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:55:03,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:55:03,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:03,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,133 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1817 [2022-11-18 20:55:04,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:55:04,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:55:04,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:55:04,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:55:04,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:55:04,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:55:04,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:55:04,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:55:04,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (1/1) ... [2022-11-18 20:55:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:55:04,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:55:04,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:55:04,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:55:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:55:04,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:55:05,070 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:55:05,073 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:55:09,353 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:55:09,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:55:09,362 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:55:09,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:09 BoogieIcfgContainer [2022-11-18 20:55:09,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:55:09,367 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:55:09,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:55:09,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:55:09,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:55:02" (1/3) ... [2022-11-18 20:55:09,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370e8d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:55:09, skipping insertion in model container [2022-11-18 20:55:09,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:03" (2/3) ... [2022-11-18 20:55:09,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370e8d2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:55:09, skipping insertion in model container [2022-11-18 20:55:09,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:09" (3/3) ... [2022-11-18 20:55:09,376 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p4.c [2022-11-18 20:55:09,400 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:55:09,401 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:55:09,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:55:09,472 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@35bf1922, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:55:09,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:55:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2022-11-18 20:55:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 20:55:09,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:55:09,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 20:55:09,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:55:09,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:09,494 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-18 20:55:09,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:55:09,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867873901] [2022-11-18 20:55:09,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:09,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:55:09,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:55:09,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:55:09,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:55:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:10,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-18 20:55:10,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:55:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:10,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:55:10,481 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:55:10,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867873901] [2022-11-18 20:55:10,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867873901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:55:10,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:55:10,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:55:10,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950192593] [2022-11-18 20:55:10,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:55:10,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:55:10,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:55:10,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:55:10,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:55:10,534 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-18 20:55:10,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:55:10,898 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-18 20:55:10,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:55:10,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-11-18 20:55:10,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:55:10,911 INFO L225 Difference]: With dead ends: 20 [2022-11-18 20:55:10,911 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 20:55:10,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:55:10,919 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 20:55:10,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 20:55:10,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 20:55:10,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-18 20:55:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-18 20:55:10,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-18 20:55:10,965 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-18 20:55:10,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:55:10,966 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-18 20:55:10,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2022-11-18 20:55:10,966 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-18 20:55:10,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 20:55:10,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:55:10,967 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:55:10,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:55:11,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:55:11,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:55:11,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:11,184 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-18 20:55:11,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:55:11,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [699379414] [2022-11-18 20:55:11,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:55:11,188 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:55:11,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:55:11,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:55:11,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:55:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:55:12,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 1673 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-18 20:55:12,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:55:12,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:12,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:55:13,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:13,708 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:55:13,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [699379414] [2022-11-18 20:55:13,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [699379414] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:55:13,710 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:55:13,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 20:55:13,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903527336] [2022-11-18 20:55:13,716 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:55:13,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:55:13,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:55:13,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:55:13,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:55:13,722 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-18 20:55:14,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:55:14,520 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-18 20:55:14,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:55:14,523 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 8 [2022-11-18 20:55:14,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:55:14,524 INFO L225 Difference]: With dead ends: 16 [2022-11-18 20:55:14,524 INFO L226 Difference]: Without dead ends: 14 [2022-11-18 20:55:14,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:55:14,525 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-18 20:55:14,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 23 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 12 Unchecked, 0.7s Time] [2022-11-18 20:55:14,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-18 20:55:14,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-18 20:55:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-18 20:55:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-18 20:55:14,532 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-18 20:55:14,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:55:14,535 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-18 20:55:14,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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) [2022-11-18 20:55:14,536 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-18 20:55:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:55:14,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:55:14,542 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-18 20:55:14,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:55:14,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:55:14,759 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:55:14,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:14,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-18 20:55:14,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:55:14,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826235900] [2022-11-18 20:55:14,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:55:14,767 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:55:14,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:55:14,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:55:14,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 20:55:16,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:55:16,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:55:16,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-18 20:55:16,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:55:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:17,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:55:29,271 WARN L233 SmtUtils]: Spent 9.75s on a formula simplification. DAG size of input: 208 DAG size of output: 182 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:55:29,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:55:29,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:55:29,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826235900] [2022-11-18 20:55:29,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826235900] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:55:29,516 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:55:29,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-18 20:55:29,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334941211] [2022-11-18 20:55:29,517 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:55:29,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:55:29,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:55:29,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:55:29,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:55:29,519 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-18 20:55:29,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:55:29,951 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-18 20:55:29,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:55:29,953 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2022-11-18 20:55:29,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:55:29,954 INFO L225 Difference]: With dead ends: 19 [2022-11-18 20:55:29,954 INFO L226 Difference]: Without dead ends: 17 [2022-11-18 20:55:29,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2022-11-18 20:55:29,956 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:55:29,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 16 Unchecked, 0.2s Time] [2022-11-18 20:55:29,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-18 20:55:29,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-18 20:55:29,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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) [2022-11-18 20:55:29,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-18 20:55:29,963 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-18 20:55:29,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:55:29,964 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-18 20:55:29,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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) [2022-11-18 20:55:29,964 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-18 20:55:29,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 20:55:29,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:55:29,966 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-18 20:55:30,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:55:30,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:55:30,167 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:55:30,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:55:30,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-18 20:55:30,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:55:30,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616507235] [2022-11-18 20:55:30,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 20:55:30,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:55:30,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:55:30,179 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:55:30,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbd17e4a-e77f-422e-8178-6f62926ec3e6/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 20:55:32,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-18 20:55:32,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:55:32,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 269 conjunts are in the unsatisfiable core [2022-11-18 20:55:32,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:56:00,604 WARN L233 SmtUtils]: Spent 19.78s on a formula simplification. DAG size of input: 444 DAG size of output: 398 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-18 20:56:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:56:01,354 INFO L328 TraceCheckSpWp]: Computing backward predicates...