./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/locks/test_locks_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/locks/test_locks_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4 --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 3f68d39859f114df07f2619f37e3285dcdf00194e62a42552d2c67e537c13685 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:48:56,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:48:56,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:48:56,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:48:56,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:48:56,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:48:56,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:48:56,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:48:56,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:48:56,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:48:56,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:48:56,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:48:56,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:48:56,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:48:56,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:48:56,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:48:56,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:48:56,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:48:56,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:48:56,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:48:56,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:48:56,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:48:56,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:48:56,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:48:56,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:48:56,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:48:56,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:48:56,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:48:56,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:48:56,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:48:56,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:48:56,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:48:56,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:48:56,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:48:56,888 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:48:56,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:48:56,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:48:56,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:48:56,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:48:56,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:48:56,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:48:56,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 00:48:56,906 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:48:56,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:48:56,907 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:48:56,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:48:56,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:48:56,907 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:48:56,907 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:48:56,908 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:48:56,909 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:48:56,909 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:48:56,909 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:48:56,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:48:56,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:48:56,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:48:56,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:48:56,909 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:48:56,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:48:56,910 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_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f68d39859f114df07f2619f37e3285dcdf00194e62a42552d2c67e537c13685 [2022-12-15 00:48:57,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:48:57,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:48:57,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:48:57,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:48:57,109 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:48:57,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/locks/test_locks_5.c [2022-12-15 00:48:59,779 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:48:59,948 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:48:59,948 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/sv-benchmarks/c/locks/test_locks_5.c [2022-12-15 00:48:59,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/data/5ac6dedd2/15e94d54504343a09503821aa67a0af2/FLAG1b807cdbf [2022-12-15 00:48:59,964 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/data/5ac6dedd2/15e94d54504343a09503821aa67a0af2 [2022-12-15 00:48:59,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:48:59,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:48:59,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:48:59,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:48:59,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:48:59,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:48:59" (1/1) ... [2022-12-15 00:48:59,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5739e5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:48:59, skipping insertion in model container [2022-12-15 00:48:59,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:48:59" (1/1) ... [2022-12-15 00:48:59,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:48:59,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:49:00,111 WARN L237 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_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/sv-benchmarks/c/locks/test_locks_5.c[2207,2220] [2022-12-15 00:49:00,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:49:00,126 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:49:00,141 WARN L237 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_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/sv-benchmarks/c/locks/test_locks_5.c[2207,2220] [2022-12-15 00:49:00,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:49:00,154 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:49:00,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00 WrapperNode [2022-12-15 00:49:00,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:49:00,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:49:00,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:49:00,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:49:00,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,180 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2022-12-15 00:49:00,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:49:00,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:49:00,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:49:00,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:49:00,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,197 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:49:00,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:49:00,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:49:00,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:49:00,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:49:00,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:49:00,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:49:00,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:49:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:49:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:49:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:49:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:49:00,306 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:49:00,307 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:49:00,405 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:49:00,440 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:49:00,440 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:49:00,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:49:00 BoogieIcfgContainer [2022-12-15 00:49:00,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:49:00,443 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:49:00,443 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:49:00,451 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:49:00,451 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:49:00" (1/1) ... [2022-12-15 00:49:00,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:49:00,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-12-15 00:49:00,497 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-12-15 00:49:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 00:49:00,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:00,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:00,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-15 00:49:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-15 00:49:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:49:00,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:00,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:00,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2022-12-15 00:49:00,706 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2022-12-15 00:49:00,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:49:00,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:00,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:00,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:00,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:00,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2022-12-15 00:49:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2022-12-15 00:49:00,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 00:49:00,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:00,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:00,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2022-12-15 00:49:00,991 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2022-12-15 00:49:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:49:00,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-12-15 00:49:01,097 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-12-15 00:49:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:49:01,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:01,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:01,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:01,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-12-15 00:49:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-12-15 00:49:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:49:01,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:01,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:01,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-12-15 00:49:01,459 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-12-15 00:49:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:49:01,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:01,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:01,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2022-12-15 00:49:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2022-12-15 00:49:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:49:01,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:01,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:01,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:01,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2022-12-15 00:49:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-12-15 00:49:01,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:49:01,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:01,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2022-12-15 00:49:02,113 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2022-12-15 00:49:02,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:49:02,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:02,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-12-15 00:49:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-12-15 00:49:02,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:49:02,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:02,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:02,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:02,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2022-12-15 00:49:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2022-12-15 00:49:02,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:49:02,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:02,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:03,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-12-15 00:49:03,022 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-12-15 00:49:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:49:03,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:03,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-12-15 00:49:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-12-15 00:49:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:49:03,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:03,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:03,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2022-12-15 00:49:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2022-12-15 00:49:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:49:03,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:03,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:03,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-12-15 00:49:03,497 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-12-15 00:49:03,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:49:03,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:03,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:49:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2022-12-15 00:49:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2022-12-15 00:49:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:49:03,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:03,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:49:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-12-15 00:49:04,517 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-12-15 00:49:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:49:04,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:04,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:49:04,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2022-12-15 00:49:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2022-12-15 00:49:04,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:49:04,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:04,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:49:04,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:04,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-12-15 00:49:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-12-15 00:49:04,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:49:04,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:49:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-12-15 00:49:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-12-15 00:49:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:49:05,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:05,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:49:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2022-12-15 00:49:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2022-12-15 00:49:05,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:49:05,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:49:05,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:49:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:49:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:49:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:49:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2022-12-15 00:49:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2022-12-15 00:49:05,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:49:05,367 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2022-12-15 00:49:05,372 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-12-15 00:49:05,461 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 00:49:05,468 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 00:49:05,468 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 00:49:05,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:49:05 ImpRootNode [2022-12-15 00:49:05,469 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:49:05,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:49:05,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:49:05,469 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:49:05,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:49:00" (3/4) ... [2022-12-15 00:49:05,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:49:05,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-15 00:49:05,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 00:49:05,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:49:05,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:49:05,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 00:49:05,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 00:49:05,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 00:49:05,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:49:05,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:49:05,507 INFO L158 Benchmark]: Toolchain (without parser) took 5539.27ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 80.2MB in the beginning and 87.3MB in the end (delta: -7.1MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-12-15 00:49:05,507 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:49:05,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.38ms. Allocated memory is still 111.1MB. Free memory was 80.2MB in the beginning and 69.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:49:05,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.08ms. Allocated memory is still 111.1MB. Free memory was 69.7MB in the beginning and 68.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:49:05,508 INFO L158 Benchmark]: Boogie Preprocessor took 18.76ms. Allocated memory is still 111.1MB. Free memory was 68.0MB in the beginning and 66.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:49:05,508 INFO L158 Benchmark]: RCFGBuilder took 241.86ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 52.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 00:49:05,508 INFO L158 Benchmark]: CodeCheck took 5026.13ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 52.7MB in the beginning and 90.5MB in the end (delta: -37.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:49:05,508 INFO L158 Benchmark]: Witness Printer took 37.02ms. Allocated memory is still 134.2MB. Free memory was 90.5MB in the beginning and 87.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:49:05,510 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1640 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1199 mSDsluCounter, 595 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 635 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3011 IncrementalHoareTripleChecker+Invalid, 3646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 635 mSolverCounterUnsat, 375 mSDtfsCounter, 3011 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1981 GetRequests, 1839 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8056 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 203 ConstructedInterpolants, 0 QuantifiedInterpolants, 773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 12/12 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: 93]: 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: 26]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.38ms. Allocated memory is still 111.1MB. Free memory was 80.2MB in the beginning and 69.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.08ms. Allocated memory is still 111.1MB. Free memory was 69.7MB in the beginning and 68.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.76ms. Allocated memory is still 111.1MB. Free memory was 68.0MB in the beginning and 66.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 241.86ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 52.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 5026.13ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 52.7MB in the beginning and 90.5MB in the end (delta: -37.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.02ms. Allocated memory is still 134.2MB. Free memory was 90.5MB in the beginning and 87.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:49:05,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dc12fe4-99f7-4cd2-a07e-5f352a7a81f2/bin/ukojak-rkRKPMF4O4/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