./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- 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-5e519f3 [2022-11-03 02:45:48,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:45:48,037 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:45:48,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:45:48,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:45:48,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:45:48,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:45:48,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:45:48,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:45:48,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:45:48,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:45:48,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:45:48,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:45:48,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:45:48,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:45:48,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:45:48,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:45:48,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:45:48,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:45:48,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:45:48,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:45:48,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:45:48,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:45:48,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:45:48,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:45:48,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:45:48,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:45:48,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:45:48,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:45:48,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:45:48,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:45:48,127 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:45:48,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:45:48,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:45:48,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:45:48,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:45:48,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:45:48,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:45:48,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:45:48,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:45:48,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:45:48,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:45:48,178 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:45:48,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:45:48,179 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:45:48,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:45:48,180 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:45:48,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:45:48,181 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:45:48,181 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:45:48,181 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:45:48,182 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:45:48,183 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:45:48,183 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:45:48,183 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:45:48,183 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:45:48,184 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:45:48,184 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:45:48,184 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:45:48,184 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:45:48,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:45:48,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:45:48,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:45:48,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:45:48,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:45:48,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:45:48,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:45:48,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:45:48,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:45:48,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:45:48,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:45:48,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:48,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:45:48,189 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:45:48,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:45:48,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:45:48,191 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:45:48,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:45:48,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:45:48,191 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:45:48,191 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_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2022-11-03 02:45:48,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:45:48,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:45:48,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:45:48,521 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:45:48,521 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:45:48,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-11-03 02:45:48,599 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/data/381d9ed82/ea4b3727371a4e299199ec15e9f2c4cc/FLAGb414f8ba1 [2022-11-03 02:45:49,500 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:45:49,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-11-03 02:45:49,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/data/381d9ed82/ea4b3727371a4e299199ec15e9f2c4cc/FLAGb414f8ba1 [2022-11-03 02:45:49,989 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/data/381d9ed82/ea4b3727371a4e299199ec15e9f2c4cc [2022-11-03 02:45:49,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:45:49,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:45:49,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:49,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:45:49,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:45:50,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:49" (1/1) ... [2022-11-03 02:45:50,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7623b7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:50, skipping insertion in model container [2022-11-03 02:45:50,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:45:49" (1/1) ... [2022-11-03 02:45:50,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:45:50,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:45:51,026 WARN L230 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_56707dab-dbd5-4c8e-96f6-d33994342588/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2022-11-03 02:45:51,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:45:51,163 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:45:51,458 WARN L230 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_56707dab-dbd5-4c8e-96f6-d33994342588/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2022-11-03 02:45:51,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:45:51,598 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:45:51,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51 WrapperNode [2022-11-03 02:45:51,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:45:51,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:45:51,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:45:51,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:45:51,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:51,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:51,851 INFO L138 Inliner]: procedures = 101, calls = 3226, calls flagged for inlining = 40, calls inlined = 39, statements flattened = 4167 [2022-11-03 02:45:51,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:45:51,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:45:51,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:45:51,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:45:51,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:51,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:51,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:51,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:52,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:52,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:52,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:52,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:52,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:45:52,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:45:52,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:45:52,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:45:52,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (1/1) ... [2022-11-03 02:45:52,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:45:52,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:45:52,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:45:52,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:45:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2022-11-03 02:45:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2022-11-03 02:45:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:45:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 02:45:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 02:45:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2022-11-03 02:45:52,274 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2022-11-03 02:45:52,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:45:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:45:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:45:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2022-11-03 02:45:52,275 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2022-11-03 02:45:52,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:45:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:45:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:45:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:45:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-03 02:45:52,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-03 02:45:52,276 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 02:45:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 02:45:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:45:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:45:52,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2022-11-03 02:45:52,277 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2022-11-03 02:45:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:45:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2022-11-03 02:45:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2022-11-03 02:45:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-11-03 02:45:52,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-11-03 02:45:52,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:45:52,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:45:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:45:52,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:45:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2022-11-03 02:45:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2022-11-03 02:45:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:45:52,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:45:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:45:52,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:45:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:45:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2022-11-03 02:45:52,281 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2022-11-03 02:45:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:45:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:45:52,281 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:45:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:45:52,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-03 02:45:52,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-03 02:45:52,283 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2022-11-03 02:45:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2022-11-03 02:45:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-03 02:45:52,284 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-03 02:45:52,284 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-03 02:45:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-03 02:45:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:45:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-03 02:45:52,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-03 02:45:52,285 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2022-11-03 02:45:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2022-11-03 02:45:52,286 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 02:45:52,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 02:45:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:45:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:45:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:45:52,287 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2022-11-03 02:45:52,287 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2022-11-03 02:45:52,746 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:45:52,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:45:57,818 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:45:58,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:45:58,566 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:45:58,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:58 BoogieIcfgContainer [2022-11-03 02:45:58,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:45:58,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:45:58,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:45:58,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:45:58,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:45:49" (1/3) ... [2022-11-03 02:45:58,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96a00a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:58, skipping insertion in model container [2022-11-03 02:45:58,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:45:51" (2/3) ... [2022-11-03 02:45:58,577 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@96a00a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:45:58, skipping insertion in model container [2022-11-03 02:45:58,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:58" (3/3) ... [2022-11-03 02:45:58,578 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2022-11-03 02:45:58,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:45:58,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:45:58,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:45:58,667 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=FINITE_AUTOMATA, 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;@73ce3446, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:45:58,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:45:58,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 486 states, 307 states have (on average 1.4006514657980456) internal successors, (430), 321 states have internal predecessors, (430), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2022-11-03 02:45:58,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 02:45:58,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:45:58,686 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:45:58,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:45:58,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:45:58,692 INFO L85 PathProgramCache]: Analyzing trace with hash -953461904, now seen corresponding path program 1 times [2022-11-03 02:45:58,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:45:58,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249924636] [2022-11-03 02:45:58,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:45:58,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:45:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:46:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:46:01,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:46:01,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249924636] [2022-11-03 02:46:01,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249924636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:46:01,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:46:01,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:46:01,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480137756] [2022-11-03 02:46:01,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:46:01,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:46:01,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:46:01,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:46:01,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:46:01,061 INFO L87 Difference]: Start difference. First operand has 486 states, 307 states have (on average 1.4006514657980456) internal successors, (430), 321 states have internal predecessors, (430), 152 states have call successors, (152), 25 states have call predecessors, (152), 25 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:46:03,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:46:04,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:46:04,582 INFO L93 Difference]: Finished difference Result 987 states and 1500 transitions. [2022-11-03 02:46:04,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:46:04,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-11-03 02:46:04,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:46:04,612 INFO L225 Difference]: With dead ends: 987 [2022-11-03 02:46:04,613 INFO L226 Difference]: Without dead ends: 496 [2022-11-03 02:46:04,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:46:04,637 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 31 mSDsluCounter, 2916 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 20 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 3225 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:46:04,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 3225 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:46:04,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2022-11-03 02:46:04,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 496. [2022-11-03 02:46:04,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 312 states have (on average 1.3717948717948718) internal successors, (428), 325 states have internal predecessors, (428), 156 states have call successors, (156), 27 states have call predecessors, (156), 27 states have return successors, (156), 152 states have call predecessors, (156), 156 states have call successors, (156) [2022-11-03 02:46:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 740 transitions. [2022-11-03 02:46:04,759 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 740 transitions. Word has length 25 [2022-11-03 02:46:04,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:46:04,760 INFO L495 AbstractCegarLoop]: Abstraction has 496 states and 740 transitions. [2022-11-03 02:46:04,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:46:04,760 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 740 transitions. [2022-11-03 02:46:04,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-03 02:46:04,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:46:04,765 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:46:04,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:46:04,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:46:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:46:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1971791284, now seen corresponding path program 1 times [2022-11-03 02:46:04,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:46:04,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480199573] [2022-11-03 02:46:04,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:46:04,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:46:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:46:05,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:46:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:46:06,200 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:46:06,200 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:46:06,202 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:46:06,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:46:06,207 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 02:46:06,212 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:46:06,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:46:06 BoogieIcfgContainer [2022-11-03 02:46:06,305 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:46:06,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:46:06,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:46:06,306 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:46:06,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:45:58" (3/4) ... [2022-11-03 02:46:06,308 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-03 02:46:06,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:46:06,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:46:06,478 INFO L158 Benchmark]: Toolchain (without parser) took 16483.65ms. Allocated memory was 123.7MB in the beginning and 501.2MB in the end (delta: 377.5MB). Free memory was 85.0MB in the beginning and 304.1MB in the end (delta: -219.1MB). Peak memory consumption was 158.9MB. Max. memory is 16.1GB. [2022-11-03 02:46:06,478 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:46:06,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1604.26ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 74.1MB in the end (delta: 10.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-11-03 02:46:06,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 251.20ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 43.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-03 02:46:06,479 INFO L158 Benchmark]: Boogie Preprocessor took 318.72ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 43.2MB in the beginning and 92.8MB in the end (delta: -49.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-03 02:46:06,480 INFO L158 Benchmark]: RCFGBuilder took 6398.26ms. Allocated memory was 176.2MB in the beginning and 343.9MB in the end (delta: 167.8MB). Free memory was 92.8MB in the beginning and 219.8MB in the end (delta: -127.0MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. [2022-11-03 02:46:06,480 INFO L158 Benchmark]: TraceAbstraction took 7733.72ms. Allocated memory was 343.9MB in the beginning and 501.2MB in the end (delta: 157.3MB). Free memory was 219.8MB in the beginning and 313.7MB in the end (delta: -93.9MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. [2022-11-03 02:46:06,480 INFO L158 Benchmark]: Witness Printer took 170.69ms. Allocated memory is still 501.2MB. Free memory was 313.7MB in the beginning and 304.1MB in the end (delta: 9.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 02:46:06,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1604.26ms. Allocated memory is still 123.7MB. Free memory was 84.6MB in the beginning and 74.1MB in the end (delta: 10.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 251.20ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 43.2MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 318.72ms. Allocated memory was 123.7MB in the beginning and 176.2MB in the end (delta: 52.4MB). Free memory was 43.2MB in the beginning and 92.8MB in the end (delta: -49.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * RCFGBuilder took 6398.26ms. Allocated memory was 176.2MB in the beginning and 343.9MB in the end (delta: 167.8MB). Free memory was 92.8MB in the beginning and 219.8MB in the end (delta: -127.0MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7733.72ms. Allocated memory was 343.9MB in the beginning and 501.2MB in the end (delta: 157.3MB). Free memory was 219.8MB in the beginning and 313.7MB in the end (delta: -93.9MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB. * Witness Printer took 170.69ms. Allocated memory is still 501.2MB. Free memory was 313.7MB in the beginning and 304.1MB in the end (delta: 9.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 6170]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L2600-L2618] static struct physical_voice_info pv_map[18U] = { {0U, 2U, 0U, {0U, 3U, 8U, 11U}}, {1U, 2U, 0U, {1U, 4U, 9U, 12U}}, {2U, 2U, 0U, {2U, 5U, 10U, 13U}}, {3U, 2U, 0U, {8U, 11U, 0U, 0U}}, {4U, 2U, 0U, {9U, 12U, 0U, 0U}}, {5U, 2U, 0U, {10U, 13U, 0U, 0U}}, {6U, 2U, 0U, {16U, 19U, 0U, 0U}}, {7U, 2U, 0U, {17U, 20U, 0U, 0U}}, {8U, 2U, 0U, {18U, 21U, 0U, 0U}}, {0U, 2U, 1U, {0U, 3U, 8U, 11U}}, {1U, 2U, 1U, {1U, 4U, 9U, 12U}}, {2U, 2U, 1U, {2U, 5U, 10U, 13U}}, {3U, 2U, 1U, {8U, 11U, 0U, 0U}}, {4U, 2U, 1U, {9U, 12U, 0U, 0U}}, {5U, 2U, 1U, {10U, 13U, 0U, 0U}}, {6U, 2U, 1U, {16U, 19U, 0U, 0U}}, {7U, 2U, 1U, {17U, 20U, 0U, 0U}}, {8U, 2U, 1U, {18U, 21U, 0U, 0U}}}; [L2619] static struct opl_devinfo *devc = 0; [L2620] static int detected_model ; [L2913-L2945] static char fm_volume_table[128U] = { -64, -48, -40, -35, -32, -29, -27, -26, -24, -23, -21, -20, -19, -18, -18, -17, -16, -15, -15, -14, -13, -13, -12, -12, -11, -11, -10, -10, -10, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8}; [L3676-L5794] static struct synth_operations opl3_operations = {& __this_module, (char *)"OPL", 0, 0, 0, 0, & opl3_open, & opl3_close, & opl3_ioctl, & opl3_kill_note, & opl3_start_note, & opl3_set_instr, & opl3_reset, & opl3_hw_control, & opl3_load_patch, & opl3_aftertouch, & opl3_controller, & opl3_panning, & opl3_volume_method, & opl3_bender, & opl3_alloc_voice, & opl3_setup_voice, 0, {0, 0, 0, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned 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char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}}}, 0, {(unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}; [L5901] static int me ; [L5902] static int io = -1; [L5945] int LDV_IN_INTERRUPT ; [L5948] int var_opl3_open_12_p0 ; [L5949] int var_opl3_open_12_p1 ; [L5950] int res_opl3_open_12 ; [L5951] int var_opl3_close_13_p0 ; [L5952] int var_opl3_ioctl_1_p0 ; [L5953] unsigned int var_opl3_ioctl_1_p1 ; [L5954] void *var_opl3_ioctl_1_p2 ; [L5955] int var_opl3_kill_note_3_p0 ; [L5956] int var_opl3_kill_note_3_p1 ; [L5957] int var_opl3_kill_note_3_p2 ; [L5958] int var_opl3_kill_note_3_p3 ; [L5959] int var_opl3_start_note_8_p0 ; [L5960] int var_opl3_start_note_8_p1 ; [L5961] int var_opl3_start_note_8_p2 ; [L5962] int var_opl3_start_note_8_p3 ; [L5963] int var_opl3_set_instr_5_p0 ; [L5964] int var_opl3_set_instr_5_p1 ; [L5965] int var_opl3_set_instr_5_p2 ; [L5966] int var_opl3_reset_11_p0 ; [L5967] int var_opl3_hw_control_14_p0 ; [L5968] unsigned char *var_opl3_hw_control_14_p1 ; [L5969] int var_opl3_load_patch_15_p0 ; [L5970] int var_opl3_load_patch_15_p1 ; [L5971] char const *var_opl3_load_patch_15_p2 ; [L5972] int var_opl3_load_patch_15_p3 ; [L5973] int var_opl3_load_patch_15_p4 ; [L5974] int var_opl3_load_patch_15_p5 ; [L5975] int var_opl3_aftertouch_18_p0 ; [L5976] int var_opl3_aftertouch_18_p1 ; [L5977] int var_opl3_aftertouch_18_p2 ; [L5978] int var_opl3_controller_20_p0 ; [L5979] int var_opl3_controller_20_p1 ; [L5980] int var_opl3_controller_20_p2 ; [L5981] int var_opl3_controller_20_p3 ; [L5982] int var_opl3_panning_16_p0 ; [L5983] int var_opl3_panning_16_p1 ; [L5984] int var_opl3_panning_16_p2 ; [L5985] int var_opl3_volume_method_17_p0 ; [L5986] int var_opl3_volume_method_17_p1 ; [L5987] int var_opl3_bender_21_p0 ; [L5988] int var_opl3_bender_21_p1 ; [L5989] int var_opl3_bender_21_p2 ; [L5990] int var_opl3_alloc_voice_22_p0 ; [L5991] int var_opl3_alloc_voice_22_p1 ; [L5992] int var_opl3_alloc_voice_22_p2 ; [L5993] struct voice_alloc_info *var_opl3_alloc_voice_22_p3 ; [L5994] int var_opl3_setup_voice_23_p0 ; [L5995] int var_opl3_setup_voice_23_p1 ; [L5996] int var_opl3_setup_voice_23_p2 ; [L5997] int ldv_s_opl3_operations_synth_operations ; [L5998] int tmp ; [L5999] int tmp___0 ; [L6000] int tmp___1 ; [L6002] ldv_s_opl3_operations_synth_operations = 0 [L6003] LDV_IN_INTERRUPT = 1 [L6004] FCALL ldv_initialize() [L6005] FCALL ldv_handler_precall() VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] CALL, EXPR init_opl3() [L5905] int tmp ; [L5908] COND FALSE !(io != -1) VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L5917] return (0); VAL [\result=0, __this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] RET, EXPR init_opl3() [L6006] tmp = init_opl3() [L6007] COND FALSE !(tmp != 0) VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0] [L6102] tmp___1 = __VERIFIER_nondet_int() [L6103] COND TRUE tmp___1 != 0 || ldv_s_opl3_operations_synth_operations != 0 [L6013] tmp___0 = __VERIFIER_nondet_int() [L6015] case 0: [L6028] case 1: [L6036] case 2: [L6040] case 3: [L6045] case 4: [L6050] case 5: [L6054] case 6: [L6058] case 7: [L6062] case 8: VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=1] [L6063] FCALL ldv_handler_precall() VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___0=8, tmp___1=1] [L6064-L6065] CALL opl3_load_patch(var_opl3_load_patch_15_p0, var_opl3_load_patch_15_p1, var_opl3_load_patch_15_p2, var_opl3_load_patch_15_p3, var_opl3_load_patch_15_p4, var_opl3_load_patch_15_p5) [L3367] struct sbi_instrument ins ; [L3368] unsigned long tmp ; [L3369] int tmp___0 ; VAL [\old(count)=4294967336, \old(dev)=27670116110564327427, \old(format)=27670116110564327428, \old(offs)=27670116110564327424, \old(pmgr_flag)=27670116110564327426, __this_module={27670116110564327430:27670116110564327425}, addr={27670116110564327429:9223372036854775808}, addr={27670116110564327429:9223372036854775808}, count=4294967336, detected_model=0, dev=27670116110564327427, devc={0:0}, fm_volume_table={25:0}, format=27670116110564327428, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=27670116110564327424, opl3_operations={26:0}, pmgr_flag=27670116110564327426, pv_map={24:0}] [L3371] COND FALSE !((unsigned int )count <= 39U) VAL [\old(count)=4294967336, \old(dev)=27670116110564327427, \old(format)=27670116110564327428, \old(offs)=27670116110564327424, \old(pmgr_flag)=27670116110564327426, __this_module={27670116110564327430:27670116110564327425}, addr={27670116110564327429:9223372036854775808}, addr={27670116110564327429:9223372036854775808}, count=4294967336, detected_model=0, dev=27670116110564327427, devc={0:0}, fm_volume_table={25:0}, format=27670116110564327428, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=27670116110564327424, opl3_operations={26:0}, pmgr_flag=27670116110564327426, pv_map={24:0}] [L3376-L3377] CALL ldv_copy_from_user_7((void *)(& ins) + (unsigned long )offs, (void const *)addr + (unsigned long )offs, 40UL - (unsigned long )offs) VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6158] unsigned long tmp ; VAL [\old(n)=-27670116110564327384, __this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, from={27670116110564327429:0}, from={27670116110564327429:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, n=-27670116110564327384, opl3_operations={26:0}, pv_map={24:0}, to={131:-9223372036854775808}, to={131:-9223372036854775808}] [L6160] CALL ldv_check_len((long )n) VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6213] COND FALSE !(n >= 0L) [L6215] CALL ldv_error() [L6170] reach_error() VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 486 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 3225 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2916 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 469 IncrementalHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 651 mSDtfsCounter, 469 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=496occurred in iteration=1, InterpolantAutomatonStates: 7, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 proved your program to be incorrect! [2022-11-03 02:46:06,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56707dab-dbd5-4c8e-96f6-d33994342588/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE