./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cd7a88063c5d9d985797dc5af4fb7d295e8c2e5995d00e39d651744b6900b239 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:45,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:45,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:45,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:45,807 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:45,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:45,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:45,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:45,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:45,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:45,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:45,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:45,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:45,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:45,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:45,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:45,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:45,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:45,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:45,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:45,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:45,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:45,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:45,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:45,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:45,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:45,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:45,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:45,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:45,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:45,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:45,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:45,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:45,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:45,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:45,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:45,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:45,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:45,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:45,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:45,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:45,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 00:23:45,897 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:45,897 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:45,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:45,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:45,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:45,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:45,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:45,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:45,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:45,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:45,909 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:45,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:45,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:45,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:45,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:45,910 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:45,910 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:45,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:45,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:45,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:45,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:45,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:45,911 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:45,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:45,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:45,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd7a88063c5d9d985797dc5af4fb7d295e8c2e5995d00e39d651744b6900b239 [2021-11-23 00:23:46,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:46,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:46,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:46,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:46,278 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:46,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-11-23 00:23:46,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/data/e5b206b70/31218df90c874878ac87c5fe2ece791f/FLAGae94f20cd [2021-11-23 00:23:47,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:47,406 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-11-23 00:23:47,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/data/e5b206b70/31218df90c874878ac87c5fe2ece791f/FLAGae94f20cd [2021-11-23 00:23:47,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/data/e5b206b70/31218df90c874878ac87c5fe2ece791f [2021-11-23 00:23:47,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:47,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:47,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:47,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:47,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:47,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:47" (1/1) ... [2021-11-23 00:23:47,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@308be7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:47, skipping insertion in model container [2021-11-23 00:23:47,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:47" (1/1) ... [2021-11-23 00:23:47,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:47,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:50,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-11-23 00:23:50,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:51,080 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:51,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-11-23 00:23:51,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:51,850 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:51,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51 WrapperNode [2021-11-23 00:23:51,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:51,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:51,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:51,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:51,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,179 INFO L137 Inliner]: procedures = 377, calls = 5019, calls flagged for inlining = 130, calls inlined = 3, statements flattened = 1544 [2021-11-23 00:23:52,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:52,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:52,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:52,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:52,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,255 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:52,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:52,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:52,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:52,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:51" (1/1) ... [2021-11-23 00:23:52,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:52,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:52,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:52,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:52,400 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-23 00:23:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-23 00:23:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-11-23 00:23:52,401 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-11-23 00:23:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 00:23:52,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 00:23:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-11-23 00:23:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-11-23 00:23:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 00:23:52,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 00:23:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-23 00:23:52,402 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-11-23 00:23:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-11-23 00:23:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 00:23:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 00:23:52,403 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-11-23 00:23:52,403 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-11-23 00:23:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 00:23:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 00:23:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-11-23 00:23:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-11-23 00:23:52,404 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 00:23:52,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 00:23:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:23:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:23:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 00:23:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 00:23:52,405 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-23 00:23:52,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-23 00:23:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-23 00:23:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-23 00:23:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 00:23:52,406 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 00:23:52,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:23:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-11-23 00:23:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-11-23 00:23:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:23:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 00:23:52,407 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 00:23:52,407 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-11-23 00:23:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-11-23 00:23:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 00:23:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 00:23:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-23 00:23:52,408 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-23 00:23:52,408 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-11-23 00:23:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-11-23 00:23:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 00:23:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 00:23:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-11-23 00:23:52,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-11-23 00:23:52,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 00:23:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 00:23:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-11-23 00:23:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-11-23 00:23:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 00:23:52,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 00:23:52,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:23:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-11-23 00:23:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-11-23 00:23:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 00:23:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 00:23:52,411 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-11-23 00:23:52,411 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-11-23 00:23:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-23 00:23:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-23 00:23:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-11-23 00:23:52,412 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-11-23 00:23:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-23 00:23:52,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:23:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 00:23:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-11-23 00:23:52,413 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-11-23 00:23:52,413 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 00:23:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 00:23:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:23:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-23 00:23:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-23 00:23:52,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 00:23:52,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 00:23:52,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:52,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:52,783 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:52,786 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:55,980 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:56,442 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:56,442 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:23:56,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:56 BoogieIcfgContainer [2021-11-23 00:23:56,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:56,446 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:56,447 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:56,457 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:56,457 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:56" (1/1) ... [2021-11-23 00:23:56,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:23:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 255 states and 342 transitions. [2021-11-23 00:23:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 342 transitions. [2021-11-23 00:23:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:23:56,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:56,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:57,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 258 states and 354 transitions. [2021-11-23 00:23:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 354 transitions. [2021-11-23 00:23:57,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:23:57,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:57,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:23:58,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 262 states and 366 transitions. [2021-11-23 00:23:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 366 transitions. [2021-11-23 00:23:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:23:58,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:58,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:58,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:58,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 265 states and 372 transitions. [2021-11-23 00:23:58,352 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 372 transitions. [2021-11-23 00:23:58,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:23:58,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:58,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:58,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 269 states and 379 transitions. [2021-11-23 00:23:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 379 transitions. [2021-11-23 00:23:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:23:58,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:58,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:23:58,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:58,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 271 states and 381 transitions. [2021-11-23 00:23:58,898 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 381 transitions. [2021-11-23 00:23:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:23:58,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:58,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:23:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:23:59,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 274 states and 385 transitions. [2021-11-23 00:23:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 385 transitions. [2021-11-23 00:23:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:23:59,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:23:59,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:23:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:23:59,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 282 states and 407 transitions. [2021-11-23 00:24:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 407 transitions. [2021-11-23 00:24:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:24:00,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:00,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:00,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:00,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 286 states and 414 transitions. [2021-11-23 00:24:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 414 transitions. [2021-11-23 00:24:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:24:00,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:00,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:00,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:00,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 289 states and 418 transitions. [2021-11-23 00:24:00,500 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 418 transitions. [2021-11-23 00:24:00,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:24:00,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:00,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:00,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:00,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:00,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 292 states and 422 transitions. [2021-11-23 00:24:00,759 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 422 transitions. [2021-11-23 00:24:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:24:00,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:00,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 295 states and 426 transitions. [2021-11-23 00:24:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 426 transitions. [2021-11-23 00:24:00,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:24:00,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:00,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,121 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:24:01,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 297 states and 429 transitions. [2021-11-23 00:24:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 429 transitions. [2021-11-23 00:24:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:24:01,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:01,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 299 states and 431 transitions. [2021-11-23 00:24:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2021-11-23 00:24:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:24:01,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,494 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 302 states and 435 transitions. [2021-11-23 00:24:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 435 transitions. [2021-11-23 00:24:01,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:24:01,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:01,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 305 states and 439 transitions. [2021-11-23 00:24:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 439 transitions. [2021-11-23 00:24:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:24:01,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:01,918 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 307 states and 442 transitions. [2021-11-23 00:24:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 442 transitions. [2021-11-23 00:24:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:24:01,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:01,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:24:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:02,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 311 states and 449 transitions. [2021-11-23 00:24:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 449 transitions. [2021-11-23 00:24:02,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:24:02,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:02,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:02,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:02,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 314 states and 453 transitions. [2021-11-23 00:24:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 453 transitions. [2021-11-23 00:24:02,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:24:02,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:02,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 317 states and 457 transitions. [2021-11-23 00:24:02,512 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 457 transitions. [2021-11-23 00:24:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:24:02,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:02,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:02,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 322 states and 475 transitions. [2021-11-23 00:24:02,800 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 475 transitions. [2021-11-23 00:24:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:24:02,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:02,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:03,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 325 states and 479 transitions. [2021-11-23 00:24:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 479 transitions. [2021-11-23 00:24:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:24:03,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:03,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:03,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:03,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 327 states and 482 transitions. [2021-11-23 00:24:03,428 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 482 transitions. [2021-11-23 00:24:03,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:24:03,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:03,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:03,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:03,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 327 states and 481 transitions. [2021-11-23 00:24:03,618 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 481 transitions. [2021-11-23 00:24:03,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:24:03,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:03,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:24:04,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:04,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 332 states and 497 transitions. [2021-11-23 00:24:04,264 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 497 transitions. [2021-11-23 00:24:04,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:24:04,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:04,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:04,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 332 states and 496 transitions. [2021-11-23 00:24:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 496 transitions. [2021-11-23 00:24:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:24:04,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:04,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:04,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:04,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:04,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 332 states and 495 transitions. [2021-11-23 00:24:04,734 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 495 transitions. [2021-11-23 00:24:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:24:04,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:04,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:05,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 3827 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:24:05,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:05,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 00:24:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 355 states and 543 transitions. [2021-11-23 00:24:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 543 transitions. [2021-11-23 00:24:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:24:06,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:06,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:24:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 357 states and 551 transitions. [2021-11-23 00:24:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 551 transitions. [2021-11-23 00:24:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:24:07,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:07,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:07,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 3838 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:24:07,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:24:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:24:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 360 states and 552 transitions. [2021-11-23 00:24:08,328 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 552 transitions. [2021-11-23 00:24:08,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:24:08,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:08,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:08,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:08,503 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:24:09,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 367 states and 556 transitions. [2021-11-23 00:24:09,036 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 556 transitions. [2021-11-23 00:24:09,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:24:09,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:24:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 369 states and 558 transitions. [2021-11-23 00:24:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 558 transitions. [2021-11-23 00:24:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:24:09,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:24:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 373 states and 565 transitions. [2021-11-23 00:24:09,374 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 565 transitions. [2021-11-23 00:24:09,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:24:09,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,537 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 00:24:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 376 states and 567 transitions. [2021-11-23 00:24:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 567 transitions. [2021-11-23 00:24:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:24:09,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 00:24:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 379 states and 571 transitions. [2021-11-23 00:24:09,821 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 571 transitions. [2021-11-23 00:24:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:24:09,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:24:09,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:24:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:24:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 00:24:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:24:10,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 318 states and 463 transitions. [2021-11-23 00:24:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 463 transitions. [2021-11-23 00:24:10,007 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:24:10,007 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2021-11-23 00:24:10,021 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:24:10,388 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,393 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,393 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,394 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,394 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,396 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:24:10,400 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,400 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:24:10,401 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,401 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,401 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,401 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,401 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,401 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,402 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,402 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,402 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,402 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:24:10,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:24:10 ImpRootNode [2021-11-23 00:24:10,403 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:24:10,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:24:10,404 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:24:10,404 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:24:10,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:56" (3/4) ... [2021-11-23 00:24:10,407 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:24:10,412 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timer_open [2021-11-23 00:24:10,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure current_thread_info___0 [2021-11-23 00:24:10,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2021-11-23 00:24:10,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_close [2021-11-23 00:24:10,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_event [2021-11-23 00:24:10,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr_reset [2021-11-23 00:24:10,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-23 00:24:10,413 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr2ticks [2021-11-23 00:24:10,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure default_set_channels [2021-11-23 00:24:10,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_arm [2021-11-23 00:24:10,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2021-11-23 00:24:10,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2021-11-23 00:24:10,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr2ticks___0 [2021-11-23 00:24:10,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2021-11-23 00:24:10,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure seq_copy_to_input [2021-11-23 00:24:10,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timer_ioctl [2021-11-23 00:24:10,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2021-11-23 00:24:10,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-23 00:24:10,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_open [2021-11-23 00:24:10,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_get_time [2021-11-23 00:24:10,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __wake_up [2021-11-23 00:24:10,415 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reprogram_timer [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_ioctl [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure default_set_speed [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2021-11-23 00:24:10,416 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2021-11-23 00:24:10,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr_reset___0 [2021-11-23 00:24:10,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2021-11-23 00:24:10,417 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure default_set_bits [2021-11-23 00:24:10,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 326 nodes and edges [2021-11-23 00:24:10,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 120 nodes and edges [2021-11-23 00:24:10,467 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2021-11-23 00:24:10,472 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 00:24:10,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:24:10,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:24:10,487 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:24:10,492 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:24:10,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: opened___0 == \old(opened___0) [2021-11-23 00:24:10,553 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: opened___0 == \old(opened___0) [2021-11-23 00:24:11,144 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:24:11,145 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:24:11,146 INFO L158 Benchmark]: Toolchain (without parser) took 23412.17ms. Allocated memory was 104.9MB in the beginning and 572.5MB in the end (delta: 467.7MB). Free memory was 70.3MB in the beginning and 444.5MB in the end (delta: -374.2MB). Peak memory consumption was 379.4MB. Max. memory is 16.1GB. [2021-11-23 00:24:11,147 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:11,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4117.17ms. Allocated memory was 104.9MB in the beginning and 188.7MB in the end (delta: 83.9MB). Free memory was 70.0MB in the beginning and 77.4MB in the end (delta: -7.4MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2021-11-23 00:24:11,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 326.69ms. Allocated memory is still 188.7MB. Free memory was 77.4MB in the beginning and 100.1MB in the end (delta: -22.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-23 00:24:11,152 INFO L158 Benchmark]: Boogie Preprocessor took 114.24ms. Allocated memory is still 188.7MB. Free memory was 100.1MB in the beginning and 87.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:24:11,152 INFO L158 Benchmark]: RCFGBuilder took 4150.50ms. Allocated memory was 188.7MB in the beginning and 306.2MB in the end (delta: 117.4MB). Free memory was 87.4MB in the beginning and 131.6MB in the end (delta: -44.3MB). Peak memory consumption was 145.2MB. Max. memory is 16.1GB. [2021-11-23 00:24:11,153 INFO L158 Benchmark]: CodeCheck took 13956.61ms. Allocated memory was 306.2MB in the beginning and 572.5MB in the end (delta: 266.3MB). Free memory was 131.6MB in the beginning and 427.9MB in the end (delta: -296.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:24:11,153 INFO L158 Benchmark]: Witness Printer took 741.45ms. Allocated memory is still 572.5MB. Free memory was 427.9MB in the beginning and 444.5MB in the end (delta: -16.6MB). Peak memory consumption was 269.7MB. Max. memory is 16.1GB. [2021-11-23 00:24:11,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 34 procedures, 255 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10917 SdHoareTripleChecker+Valid, 35.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4453 mSDsluCounter, 11875 SdHoareTripleChecker+Invalid, 31.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7196 mSDsCounter, 2657 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7965 IncrementalHoareTripleChecker+Invalid, 10622 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2657 mSolverCounterUnsat, 5455 mSDtfsCounter, 7965 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13612 GetRequests, 13510 SyntacticMatches, 4 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3182 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1295 NumberOfCodeBlocks, 1295 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1260 ConstructedInterpolants, 0 QuantifiedInterpolants, 2476 SizeOfPredicates, 0 NumberOfNonLiveVariables, 7665 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 35 InterpolantComputations, 34 PerfectInterpolantSequences, 203/205 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13380]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13344]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4868]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13018]: Loop Invariant Derived loop invariant: opened___0 == \old(opened___0) - InvariantResult [Line: 13339]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12984]: Loop Invariant Derived loop invariant: opened___0 == \old(opened___0) - InvariantResult [Line: 12494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13086]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13119]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6477]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12438]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4117.17ms. Allocated memory was 104.9MB in the beginning and 188.7MB in the end (delta: 83.9MB). Free memory was 70.0MB in the beginning and 77.4MB in the end (delta: -7.4MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 326.69ms. Allocated memory is still 188.7MB. Free memory was 77.4MB in the beginning and 100.1MB in the end (delta: -22.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 114.24ms. Allocated memory is still 188.7MB. Free memory was 100.1MB in the beginning and 87.4MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 4150.50ms. Allocated memory was 188.7MB in the beginning and 306.2MB in the end (delta: 117.4MB). Free memory was 87.4MB in the beginning and 131.6MB in the end (delta: -44.3MB). Peak memory consumption was 145.2MB. Max. memory is 16.1GB. * CodeCheck took 13956.61ms. Allocated memory was 306.2MB in the beginning and 572.5MB in the end (delta: 266.3MB). Free memory was 131.6MB in the beginning and 427.9MB in the end (delta: -296.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 741.45ms. Allocated memory is still 572.5MB. Free memory was 427.9MB in the beginning and 444.5MB in the end (delta: -16.6MB). Peak memory consumption was 269.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:24:11,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b45a899-857b-412a-b90c-6486a38123a7/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE