./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-1.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_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/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_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/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_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/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 dc5bd88db6cb2e7d4a77c9c48c9161e7e0757266bafef5539df42154bcc77181 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:52:52,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:52:52,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:52:52,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:52:52,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:52:52,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:52:52,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:52:52,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:52:52,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:52:52,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:52:52,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:52:52,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:52:52,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:52:52,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:52:52,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:52:52,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:52:52,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:52:52,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:52:52,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:52:52,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:52:52,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:52:52,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:52:52,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:52:52,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:52:52,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:52:52,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:52:52,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:52:52,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:52:52,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:52:52,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:52:52,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:52:52,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:52:52,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:52:52,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:52:52,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:52:52,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:52:52,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:52:52,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:52:52,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:52:52,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:52:52,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:52:52,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 00:52:52,999 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:52:52,999 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:52:53,001 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:52:53,001 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:52:53,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:52:53,002 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:52:53,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:52:53,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:52:53,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:52:53,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:52:53,004 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:52:53,005 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:52:53,005 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:52:53,005 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:52:53,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:52:53,006 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:52:53,006 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:52:53,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:52:53,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:53,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:52:53,007 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:52:53,007 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:52:53,008 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:52:53,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:52:53,008 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:52:53,008 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_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc5bd88db6cb2e7d4a77c9c48c9161e7e0757266bafef5539df42154bcc77181 [2021-11-23 00:52:53,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:52:53,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:52:53,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:52:53,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:52:53,314 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:52:53,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-11-23 00:52:53,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/data/0a61cd196/4896699b86a0410984824fe6e7a92648/FLAG6a4c4637e [2021-11-23 00:52:54,417 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:52:54,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-11-23 00:52:54,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/data/0a61cd196/4896699b86a0410984824fe6e7a92648/FLAG6a4c4637e [2021-11-23 00:52:54,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/data/0a61cd196/4896699b86a0410984824fe6e7a92648 [2021-11-23 00:52:54,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:52:54,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:52:54,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:54,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:52:54,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:52:54,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:54" (1/1) ... [2021-11-23 00:52:54,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@775ed19e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:54, skipping insertion in model container [2021-11-23 00:52:54,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:52:54" (1/1) ... [2021-11-23 00:52:54,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:52:54,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:57,890 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_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i[376899,376912] [2021-11-23 00:52:57,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:58,042 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:58,610 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_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i[376899,376912] [2021-11-23 00:52:58,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:58,847 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:58,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58 WrapperNode [2021-11-23 00:52:58,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:58,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:58,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:58,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:58,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,179 INFO L137 Inliner]: procedures = 377, calls = 5019, calls flagged for inlining = 130, calls inlined = 3, statements flattened = 1544 [2021-11-23 00:52:59,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:59,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:59,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:59,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:59,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:59,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:59,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:59,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:59,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:58" (1/1) ... [2021-11-23 00:52:59,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:59,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:59,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:59,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-11-23 00:52:59,658 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-11-23 00:52:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-11-23 00:52:59,658 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-11-23 00:52:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 00:52:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 00:52:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-11-23 00:52:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-11-23 00:52:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 00:52:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 00:52:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-11-23 00:52:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-11-23 00:52:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-11-23 00:52:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 00:52:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 00:52:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-11-23 00:52:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-11-23 00:52:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 00:52:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 00:52:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-11-23 00:52:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-11-23 00:52:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 00:52:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 00:52:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:52:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:52:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 00:52:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 00:52:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-23 00:52:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-23 00:52:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-11-23 00:52:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-11-23 00:52:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 00:52:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 00:52:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:52:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-11-23 00:52:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-11-23 00:52:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 00:52:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 00:52:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 00:52:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-11-23 00:52:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-11-23 00:52:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 00:52:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 00:52:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-11-23 00:52:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-11-23 00:52:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-11-23 00:52:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-11-23 00:52:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 00:52:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 00:52:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-11-23 00:52:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-11-23 00:52:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 00:52:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 00:52:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-11-23 00:52:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-11-23 00:52:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 00:52:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 00:52:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:52:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-11-23 00:52:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-11-23 00:52:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 00:52:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 00:52:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-11-23 00:52:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-11-23 00:52:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-11-23 00:52:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-11-23 00:52:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-11-23 00:52:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-11-23 00:52:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-11-23 00:52:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:52:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:52:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 00:52:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-11-23 00:52:59,673 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-11-23 00:52:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 00:52:59,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 00:52:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:52:59,673 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-11-23 00:52:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-11-23 00:52:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 00:52:59,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 00:52:59,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:53:00,019 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:53:00,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:53:03,533 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:53:04,111 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:53:04,112 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:53:04,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:04 BoogieIcfgContainer [2021-11-23 00:53:04,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:53:04,120 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:53:04,120 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:53:04,132 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:53:04,132 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:04" (1/1) ... [2021-11-23 00:53:04,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:53:04,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 255 states and 342 transitions. [2021-11-23 00:53:04,224 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 342 transitions. [2021-11-23 00:53:04,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:53:04,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:04,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:04,874 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 00:53:05,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:05,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 258 states and 354 transitions. [2021-11-23 00:53:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 354 transitions. [2021-11-23 00:53:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:53:05,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:05,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:05,473 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 00:53:05,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:05,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 262 states and 366 transitions. [2021-11-23 00:53:05,778 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 366 transitions. [2021-11-23 00:53:05,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:53:05,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:05,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:06,054 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 00:53:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:06,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 265 states and 372 transitions. [2021-11-23 00:53:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 372 transitions. [2021-11-23 00:53:06,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:53:06,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:06,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:06,375 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 00:53:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 269 states and 379 transitions. [2021-11-23 00:53:06,399 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 379 transitions. [2021-11-23 00:53:06,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:53:06,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:06,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:06,642 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 00:53:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 271 states and 381 transitions. [2021-11-23 00:53:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 381 transitions. [2021-11-23 00:53:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:53:06,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:06,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:06,871 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 00:53:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:06,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 274 states and 385 transitions. [2021-11-23 00:53:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 385 transitions. [2021-11-23 00:53:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:53:06,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:06,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:07,217 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 00:53:07,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:07,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 282 states and 407 transitions. [2021-11-23 00:53:07,745 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 407 transitions. [2021-11-23 00:53:07,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:53:07,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:07,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:07,907 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 00:53:07,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 286 states and 414 transitions. [2021-11-23 00:53:07,924 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 414 transitions. [2021-11-23 00:53:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:53:07,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:07,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:08,158 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 00:53:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 289 states and 418 transitions. [2021-11-23 00:53:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 418 transitions. [2021-11-23 00:53:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:53:08,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:08,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:08,394 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 00:53:08,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:08,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 292 states and 422 transitions. [2021-11-23 00:53:08,438 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 422 transitions. [2021-11-23 00:53:08,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:53:08,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:08,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:08,662 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 00:53:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:08,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 295 states and 426 transitions. [2021-11-23 00:53:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 426 transitions. [2021-11-23 00:53:08,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:53:08,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:08,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:08,896 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 00:53:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 297 states and 429 transitions. [2021-11-23 00:53:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 429 transitions. [2021-11-23 00:53:08,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:53:08,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:08,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,111 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 00:53:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 299 states and 431 transitions. [2021-11-23 00:53:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2021-11-23 00:53:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:53:09,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,314 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 00:53:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 302 states and 435 transitions. [2021-11-23 00:53:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 435 transitions. [2021-11-23 00:53:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:53:09,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,564 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 00:53:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 305 states and 439 transitions. [2021-11-23 00:53:09,603 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 439 transitions. [2021-11-23 00:53:09,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:53:09,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:09,819 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 00:53:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:09,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 307 states and 442 transitions. [2021-11-23 00:53:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 442 transitions. [2021-11-23 00:53:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:53:09,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:09,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:10,071 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 00:53:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:10,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 311 states and 449 transitions. [2021-11-23 00:53:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 449 transitions. [2021-11-23 00:53:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:53:10,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:10,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:10,324 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 00:53:10,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:10,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 314 states and 453 transitions. [2021-11-23 00:53:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 453 transitions. [2021-11-23 00:53:10,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:53:10,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:10,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:10,591 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 00:53:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 317 states and 457 transitions. [2021-11-23 00:53:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 457 transitions. [2021-11-23 00:53:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:53:10,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:10,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:10,846 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 00:53:10,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:10,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 322 states and 475 transitions. [2021-11-23 00:53:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 475 transitions. [2021-11-23 00:53:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:53:10,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:10,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:11,183 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 00:53:11,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 325 states and 479 transitions. [2021-11-23 00:53:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 479 transitions. [2021-11-23 00:53:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:53:11,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:11,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:11,645 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 00:53:11,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:11,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 327 states and 482 transitions. [2021-11-23 00:53:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 482 transitions. [2021-11-23 00:53:11,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:53:11,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:11,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:11,864 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 00:53:11,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 327 states and 481 transitions. [2021-11-23 00:53:11,877 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 481 transitions. [2021-11-23 00:53:11,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:53:11,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:11,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:12,087 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 00:53:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 332 states and 497 transitions. [2021-11-23 00:53:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 497 transitions. [2021-11-23 00:53:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:53:12,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:12,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:12,782 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 00:53:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 332 states and 496 transitions. [2021-11-23 00:53:12,797 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 496 transitions. [2021-11-23 00:53:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:53:12,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:12,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:13,004 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 00:53:13,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 332 states and 495 transitions. [2021-11-23 00:53:13,026 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 495 transitions. [2021-11-23 00:53:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:53:13,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:13,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:13,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 3827 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:53:13,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:13,982 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 00:53:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:15,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 355 states and 543 transitions. [2021-11-23 00:53:15,095 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 543 transitions. [2021-11-23 00:53:15,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:53:15,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:15,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:15,260 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 00:53:15,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:15,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 357 states and 551 transitions. [2021-11-23 00:53:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 551 transitions. [2021-11-23 00:53:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:53:15,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:15,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:16,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 3838 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:53:16,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:53:16,179 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 00:53:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 360 states and 552 transitions. [2021-11-23 00:53:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 552 transitions. [2021-11-23 00:53:16,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:53:16,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:16,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:16,732 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 00:53:17,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 367 states and 556 transitions. [2021-11-23 00:53:17,327 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 556 transitions. [2021-11-23 00:53:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:53:17,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:17,490 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 00:53:17,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 369 states and 558 transitions. [2021-11-23 00:53:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 558 transitions. [2021-11-23 00:53:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:53:17,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:17,666 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 00:53:17,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 373 states and 565 transitions. [2021-11-23 00:53:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 565 transitions. [2021-11-23 00:53:17,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:53:17,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:17,846 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 00:53:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 376 states and 567 transitions. [2021-11-23 00:53:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 567 transitions. [2021-11-23 00:53:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:53:17,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:17,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:18,034 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 00:53:18,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 379 states and 571 transitions. [2021-11-23 00:53:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 571 transitions. [2021-11-23 00:53:18,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:53:18,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:18,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:18,230 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 00:53:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:18,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 318 states and 463 transitions. [2021-11-23 00:53:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 463 transitions. [2021-11-23 00:53:18,250 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 00:53:18,250 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2021-11-23 00:53:18,264 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-23 00:53:18,655 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,659 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,660 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,660 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,660 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,660 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,660 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,660 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:53:18,664 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,664 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,665 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,666 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 00:53:18,666 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-23 00:53:18,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:53:18 ImpRootNode [2021-11-23 00:53:18,667 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:53:18,668 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:53:18,668 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:53:18,668 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:53:18,669 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:53:04" (3/4) ... [2021-11-23 00:53:18,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 00:53:18,678 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timer_open [2021-11-23 00:53:18,678 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure current_thread_info___0 [2021-11-23 00:53:18,678 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure might_fault [2021-11-23 00:53:18,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_close [2021-11-23 00:53:18,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_event [2021-11-23 00:53:18,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr_reset [2021-11-23 00:53:18,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2021-11-23 00:53:18,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr2ticks [2021-11-23 00:53:18,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure default_set_channels [2021-11-23 00:53:18,679 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_arm [2021-11-23 00:53:18,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure _raw_spin_lock_irqsave [2021-11-23 00:53:18,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_initialize [2021-11-23 00:53:18,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr2ticks___0 [2021-11-23 00:53:18,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_return_value [2021-11-23 00:53:18,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure seq_copy_to_input [2021-11-23 00:53:18,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timer_ioctl [2021-11-23 00:53:18,680 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2021-11-23 00:53:18,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-11-23 00:53:18,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_open [2021-11-23 00:53:18,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_get_time [2021-11-23 00:53:18,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __wake_up [2021-11-23 00:53:18,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reprogram_timer [2021-11-23 00:53:18,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memcpy [2021-11-23 00:53:18,681 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_handler_precall [2021-11-23 00:53:18,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure def_tmr_ioctl [2021-11-23 00:53:18,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-11-23 00:53:18,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2021-11-23 00:53:18,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure default_set_speed [2021-11-23 00:53:18,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2021-11-23 00:53:18,682 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_check_final_state [2021-11-23 00:53:18,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure tmr_reset___0 [2021-11-23 00:53:18,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spinlock_check [2021-11-23 00:53:18,683 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure default_set_bits [2021-11-23 00:53:18,722 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 322 nodes and edges [2021-11-23 00:53:18,727 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 123 nodes and edges [2021-11-23 00:53:18,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2021-11-23 00:53:18,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-11-23 00:53:18,743 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 00:53:18,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 00:53:18,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 00:53:18,758 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 00:53:18,831 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: opened___0 == \old(opened___0) [2021-11-23 00:53:18,833 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: opened___0 == \old(opened___0) [2021-11-23 00:53:19,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:53:19,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:53:19,403 INFO L158 Benchmark]: Toolchain (without parser) took 24684.06ms. Allocated memory was 88.1MB in the beginning and 679.5MB in the end (delta: 591.4MB). Free memory was 51.6MB in the beginning and 321.5MB in the end (delta: -269.9MB). Peak memory consumption was 388.3MB. Max. memory is 16.1GB. [2021-11-23 00:53:19,403 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:53:19,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4127.59ms. Allocated memory was 88.1MB in the beginning and 159.4MB in the end (delta: 71.3MB). Free memory was 51.4MB in the beginning and 66.7MB in the end (delta: -15.3MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2021-11-23 00:53:19,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 331.74ms. Allocated memory is still 159.4MB. Free memory was 66.7MB in the beginning and 47.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 00:53:19,405 INFO L158 Benchmark]: Boogie Preprocessor took 257.50ms. Allocated memory was 159.4MB in the beginning and 257.9MB in the end (delta: 98.6MB). Free memory was 47.1MB in the beginning and 161.7MB in the end (delta: -114.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 00:53:19,405 INFO L158 Benchmark]: RCFGBuilder took 4677.22ms. Allocated memory was 257.9MB in the beginning and 379.6MB in the end (delta: 121.6MB). Free memory was 161.7MB in the beginning and 258.6MB in the end (delta: -96.9MB). Peak memory consumption was 157.3MB. Max. memory is 16.1GB. [2021-11-23 00:53:19,406 INFO L158 Benchmark]: CodeCheck took 14547.50ms. Allocated memory was 379.6MB in the beginning and 566.2MB in the end (delta: 186.6MB). Free memory was 258.6MB in the beginning and 196.6MB in the end (delta: 62.0MB). Peak memory consumption was 247.6MB. Max. memory is 16.1GB. [2021-11-23 00:53:19,406 INFO L158 Benchmark]: Witness Printer took 734.00ms. Allocated memory was 566.2MB in the beginning and 679.5MB in the end (delta: 113.2MB). Free memory was 196.6MB in the beginning and 321.5MB in the end (delta: -124.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2021-11-23 00:53:19,409 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: 14.1s, 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, 37.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4453 mSDsluCounter, 11875 SdHoareTripleChecker+Invalid, 34.1s 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, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.6s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 4.3s 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: 13378]: 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: 13342]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12453]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12536]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13016]: Loop Invariant Derived loop invariant: opened___0 == \old(opened___0) - InvariantResult [Line: 12492]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13337]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13286]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6475]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12574]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12982]: Loop Invariant Derived loop invariant: opened___0 == \old(opened___0) - InvariantResult [Line: 13286]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4127.59ms. Allocated memory was 88.1MB in the beginning and 159.4MB in the end (delta: 71.3MB). Free memory was 51.4MB in the beginning and 66.7MB in the end (delta: -15.3MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 331.74ms. Allocated memory is still 159.4MB. Free memory was 66.7MB in the beginning and 47.1MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 257.50ms. Allocated memory was 159.4MB in the beginning and 257.9MB in the end (delta: 98.6MB). Free memory was 47.1MB in the beginning and 161.7MB in the end (delta: -114.6MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * RCFGBuilder took 4677.22ms. Allocated memory was 257.9MB in the beginning and 379.6MB in the end (delta: 121.6MB). Free memory was 161.7MB in the beginning and 258.6MB in the end (delta: -96.9MB). Peak memory consumption was 157.3MB. Max. memory is 16.1GB. * CodeCheck took 14547.50ms. Allocated memory was 379.6MB in the beginning and 566.2MB in the end (delta: 186.6MB). Free memory was 258.6MB in the beginning and 196.6MB in the end (delta: 62.0MB). Peak memory consumption was 247.6MB. Max. memory is 16.1GB. * Witness Printer took 734.00ms. Allocated memory was 566.2MB in the beginning and 679.5MB in the end (delta: 113.2MB). Free memory was 196.6MB in the beginning and 321.5MB in the end (delta: -124.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 00:53:19,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b0ec7769-79dc-4d31-9a8d-ab25a2695d66/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