./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c0f4ea6e3bcbb2b79339dce82d9fa934022810e04d651b4bbb6fb3904b8f8c98 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:46:49,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:46:49,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:46:49,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:46:49,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:46:49,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:46:49,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:46:49,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:46:49,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:46:49,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:46:49,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:46:49,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:46:49,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:46:49,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:46:49,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:46:49,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:46:49,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:46:49,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:46:49,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:46:49,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:46:49,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:46:49,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:46:49,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:46:49,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:46:49,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:46:49,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:46:49,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:46:49,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:46:49,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:46:49,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:46:49,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:46:49,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:46:49,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:46:49,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:46:49,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:46:49,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:46:49,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:46:49,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:46:49,155 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:46:49,156 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:46:49,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:46:49,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-10-29 03:46:49,183 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:46:49,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:46:49,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:46:49,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:46:49,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:46:49,186 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:46:49,186 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:46:49,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:46:49,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:46:49,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:46:49,187 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-29 03:46:49,187 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-29 03:46:49,187 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-29 03:46:49,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:46:49,188 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:46:49,188 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:46:49,188 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:46:49,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:46:49,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:46:49,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:46:49,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:46:49,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:46:49,189 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:46:49,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:46:49,190 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_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0f4ea6e3bcbb2b79339dce82d9fa934022810e04d651b4bbb6fb3904b8f8c98 [2021-10-29 03:46:49,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:46:49,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:46:49,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:46:49,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:46:49,459 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:46:49,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/locks/test_locks_6.c [2021-10-29 03:46:49,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/data/b50ec2f0c/6e863b4f2016423b8f26f9607e1bd6f4/FLAG775749250 [2021-10-29 03:46:50,008 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:46:50,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/sv-benchmarks/c/locks/test_locks_6.c [2021-10-29 03:46:50,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/data/b50ec2f0c/6e863b4f2016423b8f26f9607e1bd6f4/FLAG775749250 [2021-10-29 03:46:50,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/data/b50ec2f0c/6e863b4f2016423b8f26f9607e1bd6f4 [2021-10-29 03:46:50,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:46:50,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:46:50,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:46:50,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:46:50,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:46:50,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77ff09e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50, skipping insertion in model container [2021-10-29 03:46:50,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:46:50,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:46:50,616 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/sv-benchmarks/c/locks/test_locks_6.c[2544,2557] [2021-10-29 03:46:50,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:46:50,628 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:46:50,647 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/sv-benchmarks/c/locks/test_locks_6.c[2544,2557] [2021-10-29 03:46:50,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:46:50,661 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:46:50,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50 WrapperNode [2021-10-29 03:46:50,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:46:50,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:46:50,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:46:50,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:46:50,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:46:50,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:46:50,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:46:50,698 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:46:50,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:46:50,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:46:50,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:46:50,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:46:50,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:46:50" (1/1) ... [2021-10-29 03:46:50,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:46:50,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:46:50,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:46:50,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:46:50,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:46:50,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:46:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:46:50,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:46:51,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:46:51,231 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:46:51,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:51 BoogieIcfgContainer [2021-10-29 03:46:51,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:46:51,234 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:46:51,234 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:46:51,255 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:46:51,256 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:51" (1/1) ... [2021-10-29 03:46:51,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:46:51,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:51,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-10-29 03:46:51,314 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-10-29 03:46:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:46:51,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:51,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:51,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2021-10-29 03:46:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2021-10-29 03:46:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:46:51,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:51,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:51,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2021-10-29 03:46:51,614 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2021-10-29 03:46:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:46:51,615 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:51,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:51,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-10-29 03:46:51,715 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-10-29 03:46:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:46:51,715 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:51,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:51,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-10-29 03:46:51,892 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-10-29 03:46:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:46:51,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:51,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2021-10-29 03:46:51,998 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2021-10-29 03:46:51,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:46:51,999 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:51,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:52,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2021-10-29 03:46:52,429 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2021-10-29 03:46:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:46:52,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:52,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2021-10-29 03:46:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2021-10-29 03:46:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:46:52,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:52,607 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:52,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:52,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2021-10-29 03:46:52,732 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2021-10-29 03:46:52,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:46:52,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:52,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:52,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:53,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:53,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2021-10-29 03:46:53,302 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2021-10-29 03:46:53,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:46:53,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:53,303 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2021-10-29 03:46:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2021-10-29 03:46:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:46:53,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:53,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:53,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:53,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-10-29 03:46:53,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-29 03:46:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:46:53,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:53,641 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:53,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-10-29 03:46:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-10-29 03:46:54,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:46:54,419 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:54,419 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:54,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2021-10-29 03:46:54,557 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2021-10-29 03:46:54,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:46:54,558 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:54,558 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:54,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2021-10-29 03:46:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2021-10-29 03:46:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:46:54,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:54,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-10-29 03:46:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-10-29 03:46:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:46:54,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:54,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:55,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2021-10-29 03:46:55,134 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2021-10-29 03:46:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:46:55,134 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:55,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-10-29 03:46:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-10-29 03:46:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:46:56,363 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:56,363 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:56,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:56,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-10-29 03:46:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-10-29 03:46:56,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:46:56,535 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:56,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:56,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:56,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2021-10-29 03:46:56,835 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-10-29 03:46:56,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:46:56,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:56,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2021-10-29 03:46:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2021-10-29 03:46:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:46:57,052 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:57,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:57,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2021-10-29 03:46:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2021-10-29 03:46:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:46:57,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:57,249 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:57,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2021-10-29 03:46:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2021-10-29 03:46:57,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:46:57,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:57,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:57,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:46:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:57,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2021-10-29 03:46:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2021-10-29 03:46:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:46:57,704 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:57,704 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:57,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:46:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2021-10-29 03:46:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2021-10-29 03:46:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:46:59,215 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:59,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:59,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:46:59,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2021-10-29 03:46:59,529 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2021-10-29 03:46:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:46:59,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:59,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:46:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:46:59,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-10-29 03:46:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-10-29 03:46:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:46:59,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:46:59,803 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:46:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:46:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:47:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-10-29 03:47:00,068 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-10-29 03:47:00,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:47:00,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:00,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:47:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2021-10-29 03:47:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2021-10-29 03:47:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:47:00,317 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:00,317 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:00,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:47:00,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:00,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2021-10-29 03:47:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2021-10-29 03:47:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:47:00,518 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:47:00,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:47:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:47:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 03:47:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:47:00,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-10-29 03:47:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-10-29 03:47:00,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:47:00,812 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2021-10-29 03:47:00,818 INFO L759 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-10-29 03:47:00,966 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:47:00,976 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:47:00,977 INFO L565 CodeCheckObserver]: Invariant with dag size 3 [2021-10-29 03:47:00,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:47:00 ImpRootNode [2021-10-29 03:47:00,977 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:47:00,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:47:00,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:47:00,978 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:47:00,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:46:51" (3/4) ... [2021-10-29 03:47:00,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:47:00,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 03:47:00,993 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:47:00,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:47:00,994 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:47:01,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 03:47:01,019 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 03:47:01,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2021-10-29 03:47:01,053 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:47:01,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:47:01,055 INFO L168 Benchmark]: Toolchain (without parser) took 10667.64 ms. Allocated memory was 86.0 MB in the beginning and 172.0 MB in the end (delta: 86.0 MB). Free memory was 48.5 MB in the beginning and 55.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 77.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:01,055 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 86.0 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:47:01,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.48 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 48.4 MB in the beginning and 94.1 MB in the end (delta: -45.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:01,056 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.57 ms. Allocated memory is still 117.4 MB. Free memory was 94.1 MB in the beginning and 92.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:01,057 INFO L168 Benchmark]: Boogie Preprocessor took 22.04 ms. Allocated memory is still 117.4 MB. Free memory was 92.5 MB in the beginning and 91.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:01,057 INFO L168 Benchmark]: RCFGBuilder took 512.60 ms. Allocated memory is still 117.4 MB. Free memory was 91.4 MB in the beginning and 75.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:01,058 INFO L168 Benchmark]: CodeCheck took 9743.44 ms. Allocated memory was 117.4 MB in the beginning and 172.0 MB in the end (delta: 54.5 MB). Free memory was 74.7 MB in the beginning and 58.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 71.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:01,059 INFO L168 Benchmark]: Witness Printer took 75.09 ms. Allocated memory is still 172.0 MB. Free memory was 58.9 MB in the beginning and 55.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:47:01,061 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 1 procedures, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 9.5s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1610612736 SDtfs, -8493572 SDslu, 1073741824 SDs, 0 SdLazy, -897837832 SolverSat, 153460476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2858 GetRequests, 2664 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15848 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 1153 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 14/14 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: 107]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 6]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 86.0 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 274.48 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 48.4 MB in the beginning and 94.1 MB in the end (delta: -45.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.57 ms. Allocated memory is still 117.4 MB. Free memory was 94.1 MB in the beginning and 92.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.04 ms. Allocated memory is still 117.4 MB. Free memory was 92.5 MB in the beginning and 91.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 512.60 ms. Allocated memory is still 117.4 MB. Free memory was 91.4 MB in the beginning and 75.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 9743.44 ms. Allocated memory was 117.4 MB in the beginning and 172.0 MB in the end (delta: 54.5 MB). Free memory was 74.7 MB in the beginning and 58.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 71.7 MB. Max. memory is 16.1 GB. * Witness Printer took 75.09 ms. Allocated memory is still 172.0 MB. Free memory was 58.9 MB in the beginning and 55.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:47:01,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4269bb09-2c3e-461a-88fd-bb2f1aeb89ce/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...