./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_7.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/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_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ --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 05c715fd95d2209519e9aa0425ca71b72050ac0ff5d332c8a9deb8ead8471230 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:07,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:07,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:07,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:07,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:07,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:07,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:07,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:07,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:07,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:07,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:07,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:07,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:07,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:07,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:07,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:07,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:07,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:07,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:07,090 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:07,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:07,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:07,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:07,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:07,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:07,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:07,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:07,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:07,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:07,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:07,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:07,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:07,111 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:07,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:07,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:07,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:07,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:07,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:07,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:07,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:07,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:07,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-22 23:17:07,165 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:07,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:07,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:07,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:07,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:07,170 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:07,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:17:07,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:07,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:07,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:07,180 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:17:07,180 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:17:07,181 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-22 23:17:07,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:07,181 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:07,181 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:07,182 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:07,182 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:07,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:07,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:07,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:07,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:07,183 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:07,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:07,184 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_5a3e6395-af0e-4c9b-b313-590573e6c924/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05c715fd95d2209519e9aa0425ca71b72050ac0ff5d332c8a9deb8ead8471230 [2021-11-22 23:17:07,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:07,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:07,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:07,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:07,573 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:07,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/locks/test_locks_7.c [2021-11-22 23:17:07,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/data/b072f4eb7/ddc6873723cc46f789dd97dc55128add/FLAG71d14bb38 [2021-11-22 23:17:08,340 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:08,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/sv-benchmarks/c/locks/test_locks_7.c [2021-11-22 23:17:08,361 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/data/b072f4eb7/ddc6873723cc46f789dd97dc55128add/FLAG71d14bb38 [2021-11-22 23:17:08,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/data/b072f4eb7/ddc6873723cc46f789dd97dc55128add [2021-11-22 23:17:08,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:08,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:08,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:08,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:08,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:08,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:08,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355923b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08, skipping insertion in model container [2021-11-22 23:17:08,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:08,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:08,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:08,931 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_5a3e6395-af0e-4c9b-b313-590573e6c924/sv-benchmarks/c/locks/test_locks_7.c[2881,2894] [2021-11-22 23:17:08,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:08,944 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:08,968 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_5a3e6395-af0e-4c9b-b313-590573e6c924/sv-benchmarks/c/locks/test_locks_7.c[2881,2894] [2021-11-22 23:17:08,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:08,985 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:08,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08 WrapperNode [2021-11-22 23:17:08,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:08,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:08,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:08,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:09,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,033 INFO L137 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 105 [2021-11-22 23:17:09,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:09,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:09,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:09,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:09,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,047 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:09,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:09,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:09,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:09,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2021-11-22 23:17:09,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:09,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:09,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:09,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:09,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:09,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:09,254 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:09,257 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:09,441 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:09,548 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:09,549 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:17:09,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:09 BoogieIcfgContainer [2021-11-22 23:17:09,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:09,568 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:09,569 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:09,593 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:09,594 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:09" (1/1) ... [2021-11-22 23:17:09,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:09,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2021-11-22 23:17:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2021-11-22 23:17:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:17:09,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2021-11-22 23:17:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2021-11-22 23:17:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:17:09,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:09,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2021-11-22 23:17:09,943 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-11-22 23:17:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-22 23:17:09,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:09,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2021-11-22 23:17:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2021-11-22 23:17:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:17:10,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2021-11-22 23:17:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2021-11-22 23:17:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:17:10,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:10,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:10,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2021-11-22 23:17:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2021-11-22 23:17:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:17:11,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2021-11-22 23:17:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2021-11-22 23:17:11,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:17:11,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:11,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2021-11-22 23:17:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2021-11-22 23:17:11,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:17:11,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:11,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:11,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-11-22 23:17:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-11-22 23:17:12,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:17:12,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2021-11-22 23:17:12,428 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2021-11-22 23:17:12,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:12,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2021-11-22 23:17:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2021-11-22 23:17:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:12,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 47 transitions. [2021-11-22 23:17:12,835 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2021-11-22 23:17:12,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:12,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:12,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:12,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:13,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:13,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2021-11-22 23:17:13,802 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2021-11-22 23:17:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:13,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:13,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:13,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:14,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2021-11-22 23:17:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2021-11-22 23:17:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:14,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2021-11-22 23:17:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2021-11-22 23:17:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:14,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:14,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2021-11-22 23:17:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2021-11-22 23:17:14,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:14,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:14,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:15,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2021-11-22 23:17:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2021-11-22 23:17:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:15,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:15,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:15,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:15,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2021-11-22 23:17:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2021-11-22 23:17:15,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:15,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:15,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2021-11-22 23:17:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2021-11-22 23:17:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:16,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2021-11-22 23:17:16,574 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2021-11-22 23:17:16,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:16,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2021-11-22 23:17:16,893 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2021-11-22 23:17:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:16,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:16,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:16,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:17,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:18,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2021-11-22 23:17:18,797 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2021-11-22 23:17:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:18,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:18,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:18,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:19,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 43 states and 68 transitions. [2021-11-22 23:17:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 68 transitions. [2021-11-22 23:17:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:19,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:19,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:19,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:19,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2021-11-22 23:17:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2021-11-22 23:17:19,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:17:19,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:19,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2021-11-22 23:17:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2021-11-22 23:17:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:19,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:19,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-11-22 23:17:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-11-22 23:17:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:20,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:20,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2021-11-22 23:17:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2021-11-22 23:17:20,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:20,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:20,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:20,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2021-11-22 23:17:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2021-11-22 23:17:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:20,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:20,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2021-11-22 23:17:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-11-22 23:17:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:20,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:20,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:21,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2021-11-22 23:17:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2021-11-22 23:17:21,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:21,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:21,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:21,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2021-11-22 23:17:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2021-11-22 23:17:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:17:21,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:21,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:23,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:23,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2021-11-22 23:17:23,946 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2021-11-22 23:17:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:23,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:23,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:23,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-11-22 23:17:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-11-22 23:17:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:24,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2021-11-22 23:17:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2021-11-22 23:17:24,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:24,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:24,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:24,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-11-22 23:17:24,987 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-11-22 23:17:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:24,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:24,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:25,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2021-11-22 23:17:25,275 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2021-11-22 23:17:25,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:25,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:25,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2021-11-22 23:17:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2021-11-22 23:17:25,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:25,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:25,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2021-11-22 23:17:25,953 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-11-22 23:17:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:25,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:25,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:25,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-22 23:17:26,499 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-22 23:17:26,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:17:26,500 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 39 iterations. [2021-11-22 23:17:26,515 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-11-22 23:17:26,738 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-22 23:17:26,750 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-22 23:17:26,751 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-22 23:17:26,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:17:26 ImpRootNode [2021-11-22 23:17:26,753 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:17:26,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:17:26,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:17:26,754 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:17:26,755 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:09" (3/4) ... [2021-11-22 23:17:26,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:17:26,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-22 23:17:26,777 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-22 23:17:26,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-22 23:17:26,778 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:17:26,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-22 23:17:26,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-22 23:17:26,819 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-22 23:17:26,882 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:17:26,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:17:26,884 INFO L158 Benchmark]: Toolchain (without parser) took 18201.99ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 101.1MB in the beginning and 83.4MB in the end (delta: 17.6MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,884 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:26,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.39ms. Allocated memory is still 134.2MB. Free memory was 100.5MB in the beginning and 111.2MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.43ms. Allocated memory is still 134.2MB. Free memory was 110.4MB in the beginning and 109.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:26,886 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 134.2MB. Free memory was 109.1MB in the beginning and 108.3MB in the end (delta: 742.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,886 INFO L158 Benchmark]: RCFGBuilder took 500.14ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 93.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,887 INFO L158 Benchmark]: CodeCheck took 17185.14ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 93.6MB in the beginning and 87.5MB in the end (delta: 6.1MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,888 INFO L158 Benchmark]: Witness Printer took 128.15ms. Allocated memory is still 234.9MB. Free memory was 87.5MB in the beginning and 83.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:17:26,890 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 39, 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, 3526 SdHoareTripleChecker+Valid, 18.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2696 mSDsluCounter, 1072 SdHoareTripleChecker+Invalid, 15.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 370 mSDsCounter, 2497 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8957 IncrementalHoareTripleChecker+Invalid, 11454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2497 mSolverCounterUnsat, 702 mSDtfsCounter, 8957 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3988 GetRequests, 3734 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28320 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 429 NumberOfCodeBlocks, 429 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 1643 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 38 PerfectInterpolantSequences, 16/16 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: 121]: 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#1-unknown) == \valid - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.39ms. Allocated memory is still 134.2MB. Free memory was 100.5MB in the beginning and 111.2MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.43ms. Allocated memory is still 134.2MB. Free memory was 110.4MB in the beginning and 109.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 134.2MB. Free memory was 109.1MB in the beginning and 108.3MB in the end (delta: 742.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 500.14ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 93.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17185.14ms. Allocated memory was 134.2MB in the beginning and 234.9MB in the end (delta: 100.7MB). Free memory was 93.6MB in the beginning and 87.5MB in the end (delta: 6.1MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. * Witness Printer took 128.15ms. Allocated memory is still 234.9MB. Free memory was 87.5MB in the beginning and 83.4MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:17:26,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a3e6395-af0e-4c9b-b313-590573e6c924/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE