./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.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_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be --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 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:05:55,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:05:55,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:05:55,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:05:55,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:05:55,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:05:55,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:05:55,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:05:55,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:05:55,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:05:55,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:05:55,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:05:55,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:05:55,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:05:55,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:05:55,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:05:55,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:05:55,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:05:55,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:05:55,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:05:55,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:05:55,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:05:55,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:05:55,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:05:55,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:05:55,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:05:55,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:05:55,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:05:55,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:05:55,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:05:55,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:05:55,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:05:55,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:05:55,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:05:55,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:05:55,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:05:55,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:05:55,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:05:55,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:05:55,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:05:55,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:05:55,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-10-21 19:05:55,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:05:55,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:05:55,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:05:55,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:05:55,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:05:55,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:05:55,336 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:05:55,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:05:55,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:05:55,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:05:55,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:05:55,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:05:55,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:05:55,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:05:55,339 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:05:55,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:05:55,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:05:55,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:05:55,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:05:55,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:05:55,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:05:55,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:05:55,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:05:55,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:05:55,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:05:55,341 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:05:55,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:05:55,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:05:55,342 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:05:55,344 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_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2021-10-21 19:05:55,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:05:55,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:05:55,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:05:55,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:05:55,679 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:05:55,680 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-10-21 19:05:55,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/data/0bd0f7b76/1ef3318182d74d51a838fb936e0e7df0/FLAG29b3c3275 [2021-10-21 19:05:56,740 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:05:56,740 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-10-21 19:05:56,791 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/data/0bd0f7b76/1ef3318182d74d51a838fb936e0e7df0/FLAG29b3c3275 [2021-10-21 19:05:57,234 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/data/0bd0f7b76/1ef3318182d74d51a838fb936e0e7df0 [2021-10-21 19:05:57,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:05:57,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:05:57,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:57,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:05:57,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:05:57,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:57" (1/1) ... [2021-10-21 19:05:57,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6bf5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:57, skipping insertion in model container [2021-10-21 19:05:57,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:05:57" (1/1) ... [2021-10-21 19:05:57,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:05:57,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:05:58,618 WARN L228 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_d1d9d550-5689-4308-9a29-18d9f00ab40c/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-10-21 19:05:58,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:58,725 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:05:58,999 WARN L228 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_d1d9d550-5689-4308-9a29-18d9f00ab40c/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-10-21 19:05:59,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:05:59,114 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:05:59,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59 WrapperNode [2021-10-21 19:05:59,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:05:59,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:59,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:05:59,117 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:05:59,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:05:59,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:05:59,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:05:59,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:05:59,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:05:59,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:05:59,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:05:59,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:05:59,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:05:59,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (1/1) ... [2021-10-21 19:06:00,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:06:00,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:06:00,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:06:00,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:06:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-10-21 19:06:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-10-21 19:06:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-21 19:06:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:06:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:06:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-21 19:06:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-21 19:06:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:06:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-21 19:06:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:06:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-21 19:06:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:06:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-10-21 19:06:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:06:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:06:09,591 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:06:09,591 INFO L299 CfgBuilder]: Removed 1396 assume(true) statements. [2021-10-21 19:06:09,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:06:09 BoogieIcfgContainer [2021-10-21 19:06:09,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:06:09,598 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:06:09,598 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:06:09,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:06:09,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:05:57" (1/3) ... [2021-10-21 19:06:09,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38448215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:06:09, skipping insertion in model container [2021-10-21 19:06:09,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:05:59" (2/3) ... [2021-10-21 19:06:09,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38448215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:06:09, skipping insertion in model container [2021-10-21 19:06:09,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:06:09" (3/3) ... [2021-10-21 19:06:09,605 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-10-21 19:06:09,611 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:06:09,611 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-10-21 19:06:09,677 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:06:09,684 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-21 19:06:09,684 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-21 19:06:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 1542 states, 1534 states have (on average 1.4263363754889178) internal successors, (2188), 1541 states have internal predecessors, (2188), 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) [2021-10-21 19:06:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-21 19:06:09,744 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:06:09,745 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:06:09,745 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-21 19:06:09,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:09,751 INFO L82 PathProgramCache]: Analyzing trace with hash -101877267, now seen corresponding path program 1 times [2021-10-21 19:06:09,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:09,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37416254] [2021-10-21 19:06:09,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:09,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:06:10,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:06:10,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:06:10,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37416254] [2021-10-21 19:06:10,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37416254] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:06:10,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:06:10,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:06:10,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11347731] [2021-10-21 19:06:10,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:06:10,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:06:10,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:06:10,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:06:10,792 INFO L87 Difference]: Start difference. First operand has 1542 states, 1534 states have (on average 1.4263363754889178) internal successors, (2188), 1541 states have internal predecessors, (2188), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-21 19:06:11,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:06:11,059 INFO L93 Difference]: Finished difference Result 4300 states and 6120 transitions. [2021-10-21 19:06:11,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:06:11,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-21 19:06:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:06:11,093 INFO L225 Difference]: With dead ends: 4300 [2021-10-21 19:06:11,093 INFO L226 Difference]: Without dead ends: 2742 [2021-10-21 19:06:11,102 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:06:11,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2021-10-21 19:06:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 1518. [2021-10-21 19:06:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1517 states have (on average 1.4126565589980224) internal successors, (2143), 1517 states have internal predecessors, (2143), 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) [2021-10-21 19:06:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2143 transitions. [2021-10-21 19:06:11,261 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2143 transitions. Word has length 17 [2021-10-21 19:06:11,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:06:11,262 INFO L470 AbstractCegarLoop]: Abstraction has 1518 states and 2143 transitions. [2021-10-21 19:06:11,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-10-21 19:06:11,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2143 transitions. [2021-10-21 19:06:11,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-21 19:06:11,271 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:06:11,272 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:06:11,272 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:06:11,272 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-10-21 19:06:11,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:06:11,276 INFO L82 PathProgramCache]: Analyzing trace with hash -202089511, now seen corresponding path program 1 times [2021-10-21 19:06:11,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:06:11,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904863690] [2021-10-21 19:06:11,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:06:11,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:06:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:12,404 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:06:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:06:13,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:06:13,319 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-21 19:06:13,321 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:13,322 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:13,323 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:13,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:13,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:13,324 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:13,325 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:06:13,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:06:13,332 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:06:13,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:06:13 BoogieIcfgContainer [2021-10-21 19:06:13,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:06:13,462 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:06:13,463 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:06:13,463 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:06:13,464 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:06:09" (3/4) ... [2021-10-21 19:06:13,465 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-21 19:06:13,703 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:06:13,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:06:13,705 INFO L168 Benchmark]: Toolchain (without parser) took 16462.80 ms. Allocated memory was 113.2 MB in the beginning and 534.8 MB in the end (delta: 421.5 MB). Free memory was 75.6 MB in the beginning and 165.4 MB in the end (delta: -89.8 MB). Peak memory consumption was 328.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:13,705 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:06:13,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1869.45 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 75.6 MB in the beginning and 62.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 46.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:13,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 487.62 ms. Allocated memory is still 148.9 MB. Free memory was 62.1 MB in the beginning and 73.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:13,707 INFO L168 Benchmark]: Boogie Preprocessor took 383.24 ms. Allocated memory was 148.9 MB in the beginning and 257.9 MB in the end (delta: 109.1 MB). Free memory was 73.2 MB in the beginning and 149.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:13,708 INFO L168 Benchmark]: RCFGBuilder took 9606.36 ms. Allocated memory was 257.9 MB in the beginning and 444.6 MB in the end (delta: 186.6 MB). Free memory was 149.2 MB in the beginning and 281.4 MB in the end (delta: -132.2 MB). Peak memory consumption was 257.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:13,708 INFO L168 Benchmark]: TraceAbstraction took 3863.86 ms. Allocated memory was 444.6 MB in the beginning and 534.8 MB in the end (delta: 90.2 MB). Free memory was 280.4 MB in the beginning and 214.7 MB in the end (delta: 65.7 MB). Peak memory consumption was 155.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:13,709 INFO L168 Benchmark]: Witness Printer took 241.52 ms. Allocated memory is still 534.8 MB. Free memory was 214.7 MB in the beginning and 165.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:06:13,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 113.2 MB. Free memory is still 68.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1869.45 ms. Allocated memory was 113.2 MB in the beginning and 148.9 MB in the end (delta: 35.7 MB). Free memory was 75.6 MB in the beginning and 62.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 46.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 487.62 ms. Allocated memory is still 148.9 MB. Free memory was 62.1 MB in the beginning and 73.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 383.24 ms. Allocated memory was 148.9 MB in the beginning and 257.9 MB in the end (delta: 109.1 MB). Free memory was 73.2 MB in the beginning and 149.2 MB in the end (delta: -76.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9606.36 ms. Allocated memory was 257.9 MB in the beginning and 444.6 MB in the end (delta: 186.6 MB). Free memory was 149.2 MB in the beginning and 281.4 MB in the end (delta: -132.2 MB). Peak memory consumption was 257.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3863.86 ms. Allocated memory was 444.6 MB in the beginning and 534.8 MB in the end (delta: 90.2 MB). Free memory was 280.4 MB in the beginning and 214.7 MB in the end (delta: 65.7 MB). Peak memory consumption was 155.8 MB. Max. memory is 16.1 GB. * Witness Printer took 241.52 ms. Allocated memory is still 534.8 MB. Free memory was 214.7 MB in the beginning and 165.4 MB in the end (delta: 49.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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 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}, 0, {0, 0, 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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}, 0}; [L5901] static int me ; [L5902] static int io = -1; [L5945] int LDV_IN_INTERRUPT ; VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=0, me=0, opl3_operations={163:0}, pv_map={157:0}] [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 VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [L5905] int tmp ; [L5908] COND FALSE !(io != -1) VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [L5917] return (0); VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [L6006] tmp = init_opl3() [L6007] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [L6102] tmp___1 = __VERIFIER_nondet_int() [L6103] COND TRUE tmp___1 != 0 || ldv_s_opl3_operations_synth_operations != 0 VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [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={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [L3367] struct sbi_instrument ins ; [L3368] unsigned long tmp ; [L3369] int tmp___0 ; VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [L3371] COND FALSE !((unsigned int )count <= 39U) [L6158] unsigned long tmp ; [L6213] COND FALSE !(n >= 0L) VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] [L6170] reach_error() VAL [__this_module={18446744073709551797:18446744073709551792}, detected_model=0, devc={0:0}, fm_volume_table={155:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={163:0}, pv_map={157:0}] - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1542 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 3654.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 28.9ms, AutomataDifference: 333.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 38.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3920 SDtfs, 1871 SDslu, 2043 SDs, 0 SdLazy, 9 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1542occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 144.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 1224 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 64.2ms SsaConstructionTime, 1529.0ms SatisfiabilityAnalysisTime, 400.6ms InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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 proved your program to be incorrect! [2021-10-21 19:06:13,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d9d550-5689-4308-9a29-18d9f00ab40c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...