./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c12b3d893de05137a4e7e0aa006fe67a43cc9e3d .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-12 23:59:57,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-12 23:59:57,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-12 23:59:57,729 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-12 23:59:57,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-12 23:59:57,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-12 23:59:57,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-12 23:59:57,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-12 23:59:57,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-12 23:59:57,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-12 23:59:57,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-12 23:59:57,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-12 23:59:57,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-12 23:59:57,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-12 23:59:57,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-12 23:59:57,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-12 23:59:57,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-12 23:59:57,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-12 23:59:57,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-12 23:59:57,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-12 23:59:57,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-12 23:59:57,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-12 23:59:57,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-12 23:59:57,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-12 23:59:57,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-12 23:59:57,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-12 23:59:57,804 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-12 23:59:57,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-12 23:59:57,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-12 23:59:57,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-12 23:59:57,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-12 23:59:57,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-12 23:59:57,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-12 23:59:57,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-12 23:59:57,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-12 23:59:57,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-12 23:59:57,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-12 23:59:57,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-12 23:59:57,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-12 23:59:57,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-12 23:59:57,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-12 23:59:57,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-12 23:59:57,883 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-12 23:59:57,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-12 23:59:57,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-12 23:59:57,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-12 23:59:57,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-12 23:59:57,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-12 23:59:57,892 INFO L138 SettingsManager]: * Use SBE=true [2021-10-12 23:59:57,892 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-12 23:59:57,893 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-12 23:59:57,893 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-12 23:59:57,894 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-12 23:59:57,894 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-12 23:59:57,895 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-12 23:59:57,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-12 23:59:57,895 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-12 23:59:57,895 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-12 23:59:57,896 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-12 23:59:57,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-12 23:59:57,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-12 23:59:57,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-12 23:59:57,897 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-12 23:59:57,897 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-12 23:59:57,897 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-12 23:59:57,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-12 23:59:57,898 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-12 23:59:57,898 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-12 23:59:57,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-12 23:59:57,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-12 23:59:57,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-12 23:59:57,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-12 23:59:57,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-12 23:59:57,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-12 23:59:57,903 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-12 23:59:57,903 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12b3d893de05137a4e7e0aa006fe67a43cc9e3d [2021-10-12 23:59:58,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-12 23:59:58,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-12 23:59:58,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-12 23:59:58,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-12 23:59:58,208 INFO L275 PluginConnector]: CDTParser initialized [2021-10-12 23:59:58,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2021-10-12 23:59:58,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/data/b2cc396ff/3156748c747441ff9c661ecff7fb2adc/FLAG4acae6858 [2021-10-12 23:59:58,979 INFO L306 CDTParser]: Found 1 translation units. [2021-10-12 23:59:58,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c [2021-10-12 23:59:59,009 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/data/b2cc396ff/3156748c747441ff9c661ecff7fb2adc/FLAG4acae6858 [2021-10-12 23:59:59,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/data/b2cc396ff/3156748c747441ff9c661ecff7fb2adc [2021-10-12 23:59:59,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-12 23:59:59,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-12 23:59:59,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:59,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-12 23:59:59,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-12 23:59:59,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:59" (1/1) ... [2021-10-12 23:59:59,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@573dc7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59, skipping insertion in model container [2021-10-12 23:59:59,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:59:59" (1/1) ... [2021-10-12 23:59:59,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-12 23:59:59,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-12 23:59:59,541 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_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2021-10-12 23:59:59,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:59,746 INFO L203 MainTranslator]: Completed pre-run [2021-10-12 23:59:59,767 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_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/sv-benchmarks/c/ntdrivers-simplified/cdaudio_simpl1.cil-2.c[2073,2086] [2021-10-12 23:59:59,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-12 23:59:59,956 INFO L208 MainTranslator]: Completed translation [2021-10-12 23:59:59,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59 WrapperNode [2021-10-12 23:59:59,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-12 23:59:59,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-12 23:59:59,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-12 23:59:59,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-12 23:59:59,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-12 23:59:59,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:00:00,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:00:00,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:00:00,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:00:00,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:00:00,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:00:00,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:00:00,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:00:00,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (1/1) ... [2021-10-13 00:00:00,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:00,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:00,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:00,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:00:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:00:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:00:00,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:00:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:00:00,897 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,899 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,908 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,912 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,919 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,925 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,930 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,939 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,942 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,946 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,948 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,951 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,954 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,959 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,961 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,964 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,967 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,970 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,972 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,975 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,978 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,985 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,987 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,989 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:00,990 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,002 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,004 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,007 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,008 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,011 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,013 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,015 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,016 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,020 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,021 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,023 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,024 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,026 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,027 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,029 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,030 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,032 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:01,034 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-13 00:00:02,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1271: assume false; [2021-10-13 00:00:02,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1272: assume !false; [2021-10-13 00:00:02,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##249: assume false; [2021-10-13 00:00:02,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##250: assume !false; [2021-10-13 00:00:02,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1230: assume !false; [2021-10-13 00:00:02,657 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##287: assume false; [2021-10-13 00:00:02,658 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume !false; [2021-10-13 00:00:02,658 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1229: assume false; [2021-10-13 00:00:02,658 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1210: assume false; [2021-10-13 00:00:02,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1211: assume !false; [2021-10-13 00:00:02,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##319: assume false; [2021-10-13 00:00:02,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##320: assume !false; [2021-10-13 00:00:02,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1160: assume !false; [2021-10-13 00:00:02,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1159: assume false; [2021-10-13 00:00:02,659 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##371: assume false; [2021-10-13 00:00:02,660 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##372: assume !false; [2021-10-13 00:00:02,660 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1108: assume false; [2021-10-13 00:00:02,660 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1109: assume !false; [2021-10-13 00:00:02,660 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##346: assume false; [2021-10-13 00:00:02,660 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##347: assume !false; [2021-10-13 00:00:02,661 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##416: assume false; [2021-10-13 00:00:02,661 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##417: assume !false; [2021-10-13 00:00:02,661 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1050: assume !false; [2021-10-13 00:00:02,661 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint L305: CdAudioPnp_#res := 0; [2021-10-13 00:00:02,661 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1049: assume false; [2021-10-13 00:00:02,661 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1003: assume false; [2021-10-13 00:00:02,662 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1004: assume !false; [2021-10-13 00:00:02,662 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##461: assume !false; [2021-10-13 00:00:02,662 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##460: assume false; [2021-10-13 00:00:02,662 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##487: assume !false; [2021-10-13 00:00:02,662 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##486: assume false; [2021-10-13 00:00:02,662 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##526: assume !false; [2021-10-13 00:00:02,662 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##525: assume false; [2021-10-13 00:00:02,663 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##71: assume !false; [2021-10-13 00:00:02,663 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##70: assume false; [2021-10-13 00:00:02,663 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume !false; [2021-10-13 00:00:02,663 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##46: assume false; [2021-10-13 00:00:02,663 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##25: assume !false; [2021-10-13 00:00:02,663 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume false; [2021-10-13 00:00:02,664 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume !false; [2021-10-13 00:00:02,664 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume false; [2021-10-13 00:00:02,664 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##573: assume !false; [2021-10-13 00:00:02,665 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##572: assume false; [2021-10-13 00:00:02,669 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##685: assume !false; [2021-10-13 00:00:02,669 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##684: assume false; [2021-10-13 00:00:02,669 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##609: assume false; [2021-10-13 00:00:02,669 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##610: assume !false; [2021-10-13 00:00:02,670 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##639: assume !false; [2021-10-13 00:00:02,670 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##638: assume false; [2021-10-13 00:00:02,670 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1612: assume false; [2021-10-13 00:00:02,670 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1613: assume !false; [2021-10-13 00:00:02,670 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##757: assume !false; [2021-10-13 00:00:02,671 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##756: assume false; [2021-10-13 00:00:02,671 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##717: assume !false; [2021-10-13 00:00:02,671 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##716: assume false; [2021-10-13 00:00:02,671 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1506: assume false; [2021-10-13 00:00:02,671 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1507: assume !false; [2021-10-13 00:00:02,671 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1564: assume false; [2021-10-13 00:00:02,672 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1565: assume !false; [2021-10-13 00:00:02,672 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##856: assume false; [2021-10-13 00:00:02,672 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##857: assume !false; [2021-10-13 00:00:02,672 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##801: assume false; [2021-10-13 00:00:02,672 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##802: assume !false; [2021-10-13 00:00:02,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##832: assume !false; [2021-10-13 00:00:02,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##831: assume false; [2021-10-13 00:00:02,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1426: assume false; [2021-10-13 00:00:02,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1427: assume !false; [2021-10-13 00:00:02,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1476: assume false; [2021-10-13 00:00:02,673 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1477: assume !false; [2021-10-13 00:00:02,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1398: assume false; [2021-10-13 00:00:02,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1399: assume !false; [2021-10-13 00:00:02,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##961: assume !false; [2021-10-13 00:00:02,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##960: assume false; [2021-10-13 00:00:02,674 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##909: assume false; [2021-10-13 00:00:02,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##910: assume !false; [2021-10-13 00:00:02,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1301: assume false; [2021-10-13 00:00:02,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1302: assume !false; [2021-10-13 00:00:02,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##188: assume !false; [2021-10-13 00:00:02,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##187: assume false; [2021-10-13 00:00:02,675 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##148: assume false; [2021-10-13 00:00:02,676 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##149: assume !false; [2021-10-13 00:00:02,676 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1354: assume false; [2021-10-13 00:00:02,676 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1355: assume !false; [2021-10-13 00:00:02,676 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1341: assume false; [2021-10-13 00:00:02,676 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1342: assume !false; [2021-10-13 00:00:02,676 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##111: assume false; [2021-10-13 00:00:02,677 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##112: assume !false; [2021-10-13 00:00:02,697 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:00:02,697 INFO L299 CfgBuilder]: Removed 553 assume(true) statements. [2021-10-13 00:00:02,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:02 BoogieIcfgContainer [2021-10-13 00:00:02,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:00:02,702 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:00:02,702 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:00:02,705 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:00:02,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:02,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.10 11:59:59" (1/3) ... [2021-10-13 00:00:02,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27ba8e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:02, skipping insertion in model container [2021-10-13 00:00:02,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:02,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:59:59" (2/3) ... [2021-10-13 00:00:02,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27ba8e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:00:02, skipping insertion in model container [2021-10-13 00:00:02,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:00:02,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:02" (3/3) ... [2021-10-13 00:00:02,710 INFO L389 chiAutomizerObserver]: Analyzing ICFG cdaudio_simpl1.cil-2.c [2021-10-13 00:00:02,756 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:00:02,756 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:00:02,757 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:00:02,757 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:00:02,757 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:00:02,757 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:00:02,757 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:00:02,757 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:00:02,800 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1080 states, 1079 states have (on average 1.5375347544022242) internal successors, (1659), 1079 states have internal predecessors, (1659), 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) [2021-10-13 00:00:02,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2021-10-13 00:00:02,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:02,891 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:02,898 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:02,898 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:02,898 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:00:02,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 1080 states, 1079 states have (on average 1.5375347544022242) internal successors, (1659), 1079 states have internal predecessors, (1659), 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) [2021-10-13 00:00:02,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 19 [2021-10-13 00:00:02,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:00:02,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:00:02,957 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:02,957 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:00:02,963 INFO L791 eck$LassoCheckResult]: Stem: 544#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(23);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 0;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 0; 1004#L-1true havoc main_#res;havoc main_#t~nondet157, main_#t~nondet158, main_#t~nondet159, main_#t~nondet160, main_#t~nondet161, main_#t~nondet162, main_#t~nondet163, main_#t~nondet164, main_#t~nondet165, main_#t~ret166, main_#t~ret167, main_#t~ret168, main_~tmp_ndt_3~0, main_~tmp_ndt_2~0, main_~tmp_ndt_1~0, main_~pirp__IoStatus__Status~0, main_~d~0, main_~status~9, main_~irp~1, main_~we_should_unload~0, main_~irp_choice~0, main_~devobj~0, main_~__cil_tmp9~1;havoc main_~pirp__IoStatus__Status~0;main_~d~0 := main_#t~nondet157;havoc main_#t~nondet157;main_~status~9 := main_#t~nondet158;havoc main_#t~nondet158;main_~irp~1 := main_#t~nondet159;havoc main_#t~nondet159;main_~we_should_unload~0 := main_#t~nondet160;havoc main_#t~nondet160;main_~irp_choice~0 := main_#t~nondet161;havoc main_#t~nondet161;main_~devobj~0 := main_#t~nondet162;havoc main_#t~nondet162;havoc main_~__cil_tmp9~1;~s~0 := 0;~UNLOADED~0 := 0;~NP~0 := 0;~DC~0 := 0;~SKIP1~0 := 0;~SKIP2~0 := 0;~MPR1~0 := 0;~MPR3~0 := 0;~IPC~0 := 0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0;~routine~0 := 0;~myStatus~0 := 0;~pirp~0 := 0;~Executive~0 := 0;~Suspended~0 := 5;~KernelMode~0 := 0;~DeviceUsageTypePaging~0 := 1;~pirp~0 := main_~irp~1;~UNLOADED~0 := 0;~NP~0 := 1;~DC~0 := 2;~SKIP1~0 := 3;~SKIP2~0 := 4;~MPR1~0 := 5;~MPR3~0 := 6;~IPC~0 := 7;~s~0 := ~UNLOADED~0;~pended~0 := 0;~compFptr~0 := 0;~compRegistered~0 := 0;~lowerDriverReturn~0 := 0;~setEventCalled~0 := 0;~customIrp~0 := 0; 512#L82true assume main_~status~9 >= 0;~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0;main_~pirp__IoStatus__Status~0 := 0;~myStatus~0 := 0; 721#L1767true assume !(0 == main_~irp_choice~0); 691#L1767-2true ~s~0 := ~NP~0;~customIrp~0 := 0;~setEventCalled~0 := ~customIrp~0;~lowerDriverReturn~0 := ~setEventCalled~0;~compRegistered~0 := ~lowerDriverReturn~0;~compFptr~0 := ~compRegistered~0;~pended~0 := ~compFptr~0; 698#L1714true assume !(main_~status~9 < 0);havoc main_~tmp_ndt_1~0;main_~tmp_ndt_1~0 := main_#t~nondet163;havoc main_#t~nondet163; 423#L1781true assume !(2 == main_~tmp_ndt_1~0);havoc main_~tmp_ndt_2~0;main_~tmp_ndt_2~0 := main_#t~nondet164;havoc main_#t~nondet164; 911#L1786true assume 3 == main_~tmp_ndt_2~0; 766#L1787true CdAudioPnp_#in~DeviceObject, CdAudioPnp_#in~Irp := main_~devobj~0, ~pirp~0;havoc CdAudioPnp_#res;havoc CdAudioPnp_#t~nondet21, CdAudioPnp_#t~nondet22, CdAudioPnp_#t~nondet23, CdAudioPnp_#t~nondet24, CdAudioPnp_#t~nondet25, CdAudioPnp_#t~nondet26, CdAudioPnp_#t~ret27, CdAudioPnp_#t~ret28, CdAudioPnp_#t~ret29, CdAudioPnp_#t~ret30, CdAudioPnp_#t~ret31, CdAudioPnp_#t~ret32, CdAudioPnp_~DeviceObject, CdAudioPnp_~Irp, CdAudioPnp_~Irp__Tail__Overlay__CurrentStackLocation~0, CdAudioPnp_~irpSp__MinorFunction~0, CdAudioPnp_~Irp__IoStatus__Status~0, CdAudioPnp_~irpSp__Parameters__UsageNotification__Type~0, CdAudioPnp_~deviceExtension__PagingPathCountEvent~0, CdAudioPnp_~irpSp__Parameters__UsageNotification__InPath~0, CdAudioPnp_~deviceExtension__PagingPathCount~0, CdAudioPnp_~DeviceObject__Flags~0, CdAudioPnp_~irpSp~0, CdAudioPnp_~status~2, CdAudioPnp_~setPagable~0, CdAudioPnp_~tmp~1, CdAudioPnp_~tmp___0~0;CdAudioPnp_~DeviceObject := CdAudioPnp_#in~DeviceObject;CdAudioPnp_~Irp := CdAudioPnp_#in~Irp;CdAudioPnp_~Irp__Tail__Overlay__CurrentStackLocation~0 := CdAudioPnp_#t~nondet21;havoc CdAudioPnp_#t~nondet21;CdAudioPnp_~irpSp__MinorFunction~0 := CdAudioPnp_#t~nondet22;havoc CdAudioPnp_#t~nondet22;havoc CdAudioPnp_~Irp__IoStatus__Status~0;CdAudioPnp_~irpSp__Parameters__UsageNotification__Type~0 := CdAudioPnp_#t~nondet23;havoc CdAudioPnp_#t~nondet23;CdAudioPnp_~deviceExtension__PagingPathCountEvent~0 := CdAudioPnp_#t~nondet24;havoc CdAudioPnp_#t~nondet24;CdAudioPnp_~irpSp__Parameters__UsageNotification__InPath~0 := CdAudioPnp_#t~nondet25;havoc CdAudioPnp_#t~nondet25;CdAudioPnp_~deviceExtension__PagingPathCount~0 := CdAudioPnp_#t~nondet26;havoc CdAudioPnp_#t~nondet26;havoc CdAudioPnp_~DeviceObject__Flags~0;havoc CdAudioPnp_~irpSp~0;havoc CdAudioPnp_~status~2;havoc CdAudioPnp_~setPagable~0;havoc CdAudioPnp_~tmp~1;havoc CdAudioPnp_~tmp___0~0;CdAudioPnp_~irpSp~0 := CdAudioPnp_~Irp__Tail__Overlay__CurrentStackLocation~0;CdAudioPnp_~status~2 := -1073741637; 1015#L236true assume 0 == CdAudioPnp_~irpSp__MinorFunction~0; 785#L237true CdAudioStartDevice_#in~DeviceObject, CdAudioStartDevice_#in~Irp := CdAudioPnp_~DeviceObject, CdAudioPnp_~Irp;havoc CdAudioStartDevice_#res;havoc CdAudioStartDevice_#t~nondet12, CdAudioStartDevice_#t~nondet13, CdAudioStartDevice_#t~nondet14, CdAudioStartDevice_#t~nondet15, CdAudioStartDevice_#t~nondet16, CdAudioStartDevice_#t~ret17, CdAudioStartDevice_#t~post18, CdAudioStartDevice_#t~ret19, CdAudioStartDevice_#t~ret20, CdAudioStartDevice_~DeviceObject, CdAudioStartDevice_~Irp, CdAudioStartDevice_~deviceExtension__Active~0, CdAudioStartDevice_~deviceExtension~0, CdAudioStartDevice_~status~1, CdAudioStartDevice_~srb~0, CdAudioStartDevice_~srb__Cdb~0, CdAudioStartDevice_~cdb~0, CdAudioStartDevice_~inquiryDataPtr~0, CdAudioStartDevice_~attempt~0, CdAudioStartDevice_~tmp~0, CdAudioStartDevice_~deviceParameterHandle~0, CdAudioStartDevice_~keyValue~0;CdAudioStartDevice_~DeviceObject := CdAudioStartDevice_#in~DeviceObject;CdAudioStartDevice_~Irp := CdAudioStartDevice_#in~Irp;CdAudioStartDevice_~deviceExtension__Active~0 := CdAudioStartDevice_#t~nondet12;havoc CdAudioStartDevice_#t~nondet12;CdAudioStartDevice_~deviceExtension~0 := CdAudioStartDevice_#t~nondet13;havoc CdAudioStartDevice_#t~nondet13;havoc CdAudioStartDevice_~status~1;CdAudioStartDevice_~srb~0 := CdAudioStartDevice_#t~nondet14;havoc CdAudioStartDevice_#t~nondet14;CdAudioStartDevice_~srb__Cdb~0 := CdAudioStartDevice_#t~nondet15;havoc CdAudioStartDevice_#t~nondet15;havoc CdAudioStartDevice_~cdb~0;havoc CdAudioStartDevice_~inquiryDataPtr~0;havoc CdAudioStartDevice_~attempt~0;havoc CdAudioStartDevice_~tmp~0;CdAudioStartDevice_~deviceParameterHandle~0 := CdAudioStartDevice_#t~nondet16;havoc CdAudioStartDevice_#t~nondet16;havoc CdAudioStartDevice_~keyValue~0;CdAudioForwardIrpSynchronous_#in~DeviceObject, CdAudioForwardIrpSynchronous_#in~Irp := CdAudioStartDevice_~DeviceObject, CdAudioStartDevice_~Irp;havoc CdAudioForwardIrpSynchronous_#res;havoc CdAudioForwardIrpSynchronous_#t~nondet147, CdAudioForwardIrpSynchronous_#t~nondet148, CdAudioForwardIrpSynchronous_#t~ret149, CdAudioForwardIrpSynchronous_#t~ret150, CdAudioForwardIrpSynchronous_~DeviceObject, CdAudioForwardIrpSynchronous_~Irp, CdAudioForwardIrpSynchronous_~deviceExtension__TargetDeviceObject~3, CdAudioForwardIrpSynchronous_~event~2, CdAudioForwardIrpSynchronous_~status~8, CdAudioForwardIrpSynchronous_~irpSp__Control~1;CdAudioForwardIrpSynchronous_~DeviceObject := CdAudioForwardIrpSynchronous_#in~DeviceObject;CdAudioForwardIrpSynchronous_~Irp := CdAudioForwardIrpSynchronous_#in~Irp;CdAudioForwardIrpSynchronous_~deviceExtension__TargetDeviceObject~3 := CdAudioForwardIrpSynchronous_#t~nondet147;havoc CdAudioForwardIrpSynchronous_#t~nondet147;CdAudioForwardIrpSynchronous_~event~2 := CdAudioForwardIrpSynchronous_#t~nondet148;havoc CdAudioForwardIrpSynchronous_#t~nondet148;havoc CdAudioForwardIrpSynchronous_~status~8;havoc CdAudioForwardIrpSynchronous_~irpSp__Control~1; 493#L1646true assume !(~s~0 != ~NP~0); 495#L1651true assume !(0 != ~compRegistered~0);~compRegistered~0 := 1;~routine~0 := 1; 491#L1651-1true CdAudioForwardIrpSynchronous_~irpSp__Control~1 := 224;IofCallDriver_#in~DeviceObject, IofCallDriver_#in~Irp := CdAudioForwardIrpSynchronous_~deviceExtension__TargetDeviceObject~3, CdAudioForwardIrpSynchronous_~Irp;havoc IofCallDriver_#res;havoc IofCallDriver_#t~nondet169, IofCallDriver_#t~nondet170, IofCallDriver_#t~ret171, IofCallDriver_#t~ret172, IofCallDriver_#t~nondet173, IofCallDriver_#t~nondet174, IofCallDriver_~tmp_ndt_6~0, IofCallDriver_~tmp_ndt_5~0, IofCallDriver_~DeviceObject, IofCallDriver_~Irp, IofCallDriver_~Irp__PendingReturned~1, IofCallDriver_~returnVal2~0, IofCallDriver_~compRetStatus~0, IofCallDriver_~lcontext~0, IofCallDriver_~__cil_tmp8~1;IofCallDriver_~DeviceObject := IofCallDriver_#in~DeviceObject;IofCallDriver_~Irp := IofCallDriver_#in~Irp;IofCallDriver_~Irp__PendingReturned~1 := IofCallDriver_#t~nondet169;havoc IofCallDriver_#t~nondet169;havoc IofCallDriver_~returnVal2~0;havoc IofCallDriver_~compRetStatus~0;IofCallDriver_~lcontext~0 := IofCallDriver_#t~nondet170;havoc IofCallDriver_#t~nondet170;havoc IofCallDriver_~__cil_tmp8~1; 24#L1902-14true assume !(0 != ~compRegistered~0); 409#L1902-15true assume 0 != IofCallDriver_~Irp__PendingReturned~1;IofCallDriver_~returnVal2~0 := 259; 89#L1948-7true assume ~s~0 == ~NP~0;~s~0 := ~IPC~0;~lowerDriverReturn~0 := IofCallDriver_~returnVal2~0; 400#L60-75true IofCallDriver_#res := IofCallDriver_~returnVal2~0; 4#L1976-7true CdAudioForwardIrpSynchronous_#t~ret149 := IofCallDriver_#res;CdAudioForwardIrpSynchronous_~status~8 := CdAudioForwardIrpSynchronous_#t~ret149;havoc CdAudioForwardIrpSynchronous_#t~ret149;CdAudioForwardIrpSynchronous_~status~8 := 259; 1067#L1665true assume !(0 != CdAudioForwardIrpSynchronous_~status~8); 118#L1665-2true CdAudioForwardIrpSynchronous_#res := CdAudioForwardIrpSynchronous_~status~8; 899#L1671true CdAudioStartDevice_#t~ret17 := CdAudioForwardIrpSynchronous_#res;CdAudioStartDevice_~status~1 := CdAudioStartDevice_#t~ret17;havoc CdAudioStartDevice_#t~ret17; 170#L158true assume !(CdAudioStartDevice_~status~1 < 0); 450#L162true assume 255 == CdAudioStartDevice_~deviceExtension__Active~0;CdAudioStartDevice_~cdb~0 := CdAudioStartDevice_~srb__Cdb~0;CdAudioStartDevice_~inquiryDataPtr~0 := 0;CdAudioStartDevice_~attempt~0 := 0; 376#L166true assume !(0 == CdAudioStartDevice_~inquiryDataPtr~0);CdAudioStartDevice_~status~1 := -1073741823; 865#L172-2true [2021-10-13 00:00:02,964 INFO L793 eck$LassoCheckResult]: Loop: 865#L172-2true assume !false; 870#L173true assume CdAudioStartDevice_~status~1 < 0;CdAudioStartDevice_~tmp~0 := CdAudioStartDevice_~attempt~0;CdAudioStartDevice_#t~post18 := CdAudioStartDevice_~attempt~0;CdAudioStartDevice_~attempt~0 := 1 + CdAudioStartDevice_#t~post18;havoc CdAudioStartDevice_#t~post18; 553#L179true assume !(CdAudioStartDevice_~tmp~0 >= 4); 728#L176true SendSrbSynchronous_#in~Extension, SendSrbSynchronous_#in~Srb, SendSrbSynchronous_#in~Buffer, SendSrbSynchronous_#in~BufferLength := CdAudioStartDevice_~deviceExtension~0, CdAudioStartDevice_~srb~0, CdAudioStartDevice_~inquiryDataPtr~0, 36;havoc SendSrbSynchronous_#res;havoc SendSrbSynchronous_#t~nondet7, SendSrbSynchronous_#t~nondet8, SendSrbSynchronous_#t~nondet9, SendSrbSynchronous_#t~ret10, SendSrbSynchronous_~Extension, SendSrbSynchronous_~Srb, SendSrbSynchronous_~Buffer, SendSrbSynchronous_~BufferLength, SendSrbSynchronous_~ioStatus__Status~0, SendSrbSynchronous_~ioctl~0, SendSrbSynchronous_~event~0, SendSrbSynchronous_~irp~0, SendSrbSynchronous_~status~0, SendSrbSynchronous_~__cil_tmp10~0, SendSrbSynchronous_~__cil_tmp11~0, SendSrbSynchronous_~__cil_tmp12~0, SendSrbSynchronous_~__cil_tmp13~0, SendSrbSynchronous_~__cil_tmp14~0, SendSrbSynchronous_~__cil_tmp15~0, SendSrbSynchronous_~__cil_tmp16~0, SendSrbSynchronous_~__cil_tmp17~0, SendSrbSynchronous_~__cil_tmp18~0;SendSrbSynchronous_~Extension := SendSrbSynchronous_#in~Extension;SendSrbSynchronous_~Srb := SendSrbSynchronous_#in~Srb;SendSrbSynchronous_~Buffer := SendSrbSynchronous_#in~Buffer;SendSrbSynchronous_~BufferLength := SendSrbSynchronous_#in~BufferLength;SendSrbSynchronous_~ioStatus__Status~0 := SendSrbSynchronous_#t~nondet7;havoc SendSrbSynchronous_#t~nondet7;havoc SendSrbSynchronous_~ioctl~0;SendSrbSynchronous_~event~0 := SendSrbSynchronous_#t~nondet8;havoc SendSrbSynchronous_#t~nondet8;havoc SendSrbSynchronous_~irp~0;SendSrbSynchronous_~status~0 := SendSrbSynchronous_#t~nondet9;havoc SendSrbSynchronous_#t~nondet9;havoc SendSrbSynchronous_~__cil_tmp10~0;havoc SendSrbSynchronous_~__cil_tmp11~0;havoc SendSrbSynchronous_~__cil_tmp12~0;havoc SendSrbSynchronous_~__cil_tmp13~0;havoc SendSrbSynchronous_~__cil_tmp14~0;havoc SendSrbSynchronous_~__cil_tmp15~0;havoc SendSrbSynchronous_~__cil_tmp16~0;havoc SendSrbSynchronous_~__cil_tmp17~0;havoc SendSrbSynchronous_~__cil_tmp18~0;SendSrbSynchronous_~irp~0 := 0; 656#L103-48true assume !(0 != SendSrbSynchronous_~Buffer);SendSrbSynchronous_~__cil_tmp14~0 := 4100;SendSrbSynchronous_~__cil_tmp15~0 := 49152;SendSrbSynchronous_~__cil_tmp16~0 := 262144;SendSrbSynchronous_~__cil_tmp17~0 := 311296;SendSrbSynchronous_~ioctl~0 := 315396; 772#L103-50true assume 0 == SendSrbSynchronous_~irp~0;SendSrbSynchronous_#res := -1073741670; 1017#L128-16true CdAudioStartDevice_#t~ret19 := SendSrbSynchronous_#res;CdAudioStartDevice_~status~1 := CdAudioStartDevice_#t~ret19;havoc CdAudioStartDevice_#t~ret19; 865#L172-2true [2021-10-13 00:00:02,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:02,971 INFO L82 PathProgramCache]: Analyzing trace with hash -724469431, now seen corresponding path program 1 times [2021-10-13 00:00:02,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:02,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941404047] [2021-10-13 00:00:02,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:02,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:03,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:03,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:00:03,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941404047] [2021-10-13 00:00:03,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941404047] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:00:03,207 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:00:03,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:00:03,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424169894] [2021-10-13 00:00:03,218 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:00:03,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:03,229 INFO L82 PathProgramCache]: Analyzing trace with hash -200849285, now seen corresponding path program 1 times [2021-10-13 00:00:03,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:00:03,230 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324069777] [2021-10-13 00:00:03,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:00:03,230 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:00:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,266 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:00:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:00:03,301 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:00:03,508 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:03,509 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:03,509 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:03,510 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:03,510 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:00:03,510 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:03,510 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:03,510 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:03,510 INFO L133 ssoRankerPreferences]: Filename of dumped script: cdaudio_simpl1.cil-2.c_Iteration1_Loop [2021-10-13 00:00:03,511 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:03,511 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:03,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:03,843 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:03,843 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:00:03,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:03,847 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:03,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:00:03,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:03,863 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:03,893 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:00:03,893 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp12~0=0} Honda state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp12~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:00:03,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 00:00:03,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:03,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:03,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:03,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:03,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:03,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:00:04,014 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:00:04,014 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_CdAudioStartDevice_~inquiryDataPtr~0=0, ULTIMATE.start_SendSrbSynchronous_~Buffer=0, ULTIMATE.start_SendSrbSynchronous_#in~Buffer=0} Honda state: {ULTIMATE.start_CdAudioStartDevice_~inquiryDataPtr~0=0, ULTIMATE.start_SendSrbSynchronous_~Buffer=0, ULTIMATE.start_SendSrbSynchronous_#in~Buffer=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:00:04,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:04,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:04,084 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:04,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:00:04,098 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:00:04,099 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp15~0=49152} Honda state: {ULTIMATE.start_SendSrbSynchronous_~__cil_tmp15~0=49152} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:00:04,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:04,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:00:04,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:00:04,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:04,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:04,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,236 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:00:04,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:00:04,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:00:04,357 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:00:04,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-13 00:00:04,362 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:00:04,362 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:00:04,363 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:00:04,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:00:04,363 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:00:04,363 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,363 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:00:04,363 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:00:04,363 INFO L133 ssoRankerPreferences]: Filename of dumped script: cdaudio_simpl1.cil-2.c_Iteration1_Loop [2021-10-13 00:00:04,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:00:04,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:00:04,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:00:04,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:00:04,678 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:00:04,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,682 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:00:04,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:04,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:04,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:04,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:04,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:04,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:04,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:04,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:04,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:00:04,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:04,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,775 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:00:04,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:00:04,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:04,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:04,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:04,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:04,789 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:04,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:04,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:04,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:04,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-10-13 00:00:04,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,812 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:00:04,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:00:04,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:04,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:04,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:04,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:04,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:04,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:04,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:04,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:00:04,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:04,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,890 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:00:04,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:00:04,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:00:04,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:00:04,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:00:04,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:00:04,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:00:04,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:00:04,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:00:04,921 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:00:04,926 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:00:04,926 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:00:04,928 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:00:04,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:00:04,931 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:00:04,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:00:04,962 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:00:04,962 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:00:04,962 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:00:04,962 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_CdAudioStartDevice_~attempt~0) = -2*ULTIMATE.start_CdAudioStartDevice_~attempt~0 + 7 Supporting invariants [] [2021-10-13 00:00:04,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:04,985 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:00:05,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:00:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:05,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:00:05,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:00:05,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:00:05,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:00:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:00:05,336 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-13 00:00:05,340 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 1080 states, 1079 states have (on average 1.5375347544022242) internal successors, (1659), 1079 states have internal predecessors, (1659), 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 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-13 00:00:05,569 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 1080 states, 1079 states have (on average 1.5375347544022242) internal successors, (1659), 1079 states have internal predecessors, (1659), 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 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) Result 2111 states and 3168 transitions. Complement of second has 7 states. [2021-10-13 00:00:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:00:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-10-13 00:00:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2953 transitions. [2021-10-13 00:00:05,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 25 letters. Loop has 7 letters. [2021-10-13 00:00:05,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:05,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 32 letters. Loop has 7 letters. [2021-10-13 00:00:05,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:05,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2953 transitions. Stem has 25 letters. Loop has 14 letters. [2021-10-13 00:00:05,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:00:05,584 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2111 states and 3168 transitions. [2021-10-13 00:00:05,614 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:00:05,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2111 states to 0 states and 0 transitions. [2021-10-13 00:00:05,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:00:05,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:00:05,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:00:05,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:00:05,618 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:05,618 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:05,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:00:05,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 00:00:05,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 00:00:05,626 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-10-13 00:00:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:00:05,628 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-13 00:00:05,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-13 00:00:05,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-13 00:00:05,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:00:05,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 00:00:05,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:00:05,630 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:00:05,630 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:00:05,630 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:00:05,630 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:05,630 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:05,631 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:00:05,631 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:00:05,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:00:05,631 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:00:05,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:00:05,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:00:05 BoogieIcfgContainer [2021-10-13 00:00:05,637 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:00:05,639 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:00:05,639 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:00:05,639 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:00:05,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:00:02" (3/4) ... [2021-10-13 00:00:05,643 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:00:05,643 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:00:05,645 INFO L168 Benchmark]: Toolchain (without parser) took 6478.12 ms. Allocated memory was 115.3 MB in the beginning and 232.8 MB in the end (delta: 117.4 MB). Free memory was 72.0 MB in the beginning and 116.1 MB in the end (delta: -44.1 MB). Peak memory consumption was 71.9 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:05,646 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 115.3 MB. Free memory is still 90.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:05,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 775.81 ms. Allocated memory is still 115.3 MB. Free memory was 71.8 MB in the beginning and 71.4 MB in the end (delta: 446.3 kB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:05,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 239.64 ms. Allocated memory is still 115.3 MB. Free memory was 71.4 MB in the beginning and 53.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:05,656 INFO L168 Benchmark]: Boogie Preprocessor took 261.78 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 100.1 MB in the end (delta: -46.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:05,656 INFO L168 Benchmark]: RCFGBuilder took 2239.89 ms. Allocated memory is still 138.4 MB. Free memory was 100.1 MB in the beginning and 59.4 MB in the end (delta: 40.7 MB). Peak memory consumption was 61.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:05,657 INFO L168 Benchmark]: BuchiAutomizer took 2935.89 ms. Allocated memory was 138.4 MB in the beginning and 232.8 MB in the end (delta: 94.4 MB). Free memory was 59.4 MB in the beginning and 117.2 MB in the end (delta: -57.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:00:05,658 INFO L168 Benchmark]: Witness Printer took 4.36 ms. Allocated memory is still 232.8 MB. Free memory was 117.2 MB in the beginning and 116.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:00:05,667 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 115.3 MB. Free memory is still 90.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 775.81 ms. Allocated memory is still 115.3 MB. Free memory was 71.8 MB in the beginning and 71.4 MB in the end (delta: 446.3 kB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 239.64 ms. Allocated memory is still 115.3 MB. Free memory was 71.4 MB in the beginning and 53.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 261.78 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 53.7 MB in the beginning and 100.1 MB in the end (delta: -46.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2239.89 ms. Allocated memory is still 138.4 MB. Free memory was 100.1 MB in the beginning and 59.4 MB in the end (delta: 40.7 MB). Peak memory consumption was 61.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2935.89 ms. Allocated memory was 138.4 MB in the beginning and 232.8 MB in the end (delta: 94.4 MB). Free memory was 59.4 MB in the beginning and 117.2 MB in the end (delta: -57.7 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.36 ms. Allocated memory is still 232.8 MB. Free memory was 117.2 MB in the beginning and 116.1 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * attempt + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1647 SDtfs, 1648 SDslu, 197 SDs, 0 SdLazy, 5 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital69 mio100 ax100 hnf100 lsp18 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq176 hnf91 smp100 dnf100 smp100 tf109 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:00:05,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:00:05,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1b227a-fcd2-4ab6-89e3-20d06c534fed/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...