./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ --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 e4b2b33802a1e3212162c0e55c40efaad08f7abe5e8690f0efef5fec80921b38 --- 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-6b4ec56 [2022-11-20 17:25:45,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:25:45,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:25:45,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:25:45,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:25:45,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:25:45,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:25:45,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:25:46,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:25:46,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:25:46,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:25:46,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:25:46,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:25:46,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:25:46,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:25:46,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:25:46,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:25:46,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:25:46,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:25:46,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:25:46,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:25:46,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:25:46,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:25:46,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:25:46,040 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:25:46,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:25:46,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:25:46,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:25:46,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:25:46,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:25:46,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:25:46,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:25:46,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:25:46,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:25:46,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:25:46,050 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:25:46,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:25:46,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:25:46,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:25:46,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:25:46,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:25:46,055 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:25:46,097 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:25:46,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:25:46,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:25:46,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:25:46,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:25:46,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:25:46,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:25:46,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:25:46,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:25:46,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:25:46,102 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:25:46,102 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:25:46,102 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:25:46,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:25:46,103 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:25:46,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:25:46,103 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:25:46,103 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:25:46,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:25:46,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:46,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:25:46,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:25:46,104 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:25:46,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:25:46,105 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_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4b2b33802a1e3212162c0e55c40efaad08f7abe5e8690f0efef5fec80921b38 [2022-11-20 17:25:46,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:25:46,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:25:46,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:25:46,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:25:46,441 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:25:46,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2022-11-20 17:25:49,434 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:25:49,642 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:25:49,642 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c [2022-11-20 17:25:49,649 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/data/a21242c9b/d7efa9cc81474f618327f019ef06f2cd/FLAG37208c506 [2022-11-20 17:25:49,667 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/data/a21242c9b/d7efa9cc81474f618327f019ef06f2cd [2022-11-20 17:25:49,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:25:49,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:25:49,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:49,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:25:49,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:25:49,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34782a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49, skipping insertion in model container [2022-11-20 17:25:49,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:25:49,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:25:49,867 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_d1798d4d-4047-47c7-ba7c-0861aa153bd7/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c[439,452] [2022-11-20 17:25:49,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:49,885 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:25:49,895 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_d1798d4d-4047-47c7-ba7c-0861aa153bd7/sv-benchmarks/c/recursive-with-pointer/simple-recursive.c[439,452] [2022-11-20 17:25:49,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:25:49,913 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:25:49,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49 WrapperNode [2022-11-20 17:25:49,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:25:49,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:49,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:25:49,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:25:49,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,951 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-20 17:25:49,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:25:49,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:25:49,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:25:49,953 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:25:49,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:25:49,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:25:49,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:25:49,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:25:49,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:25:49" (1/1) ... [2022-11-20 17:25:49,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:25:49,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:25:50,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:25:50,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:25:50,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:25:50,062 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2022-11-20 17:25:50,063 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2022-11-20 17:25:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:25:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:25:50,064 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 17:25:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 17:25:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:25:50,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:25:50,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:25:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:25:50,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:25:50,155 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:25:50,157 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:25:50,369 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:25:50,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:25:50,399 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:25:50,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:50 BoogieIcfgContainer [2022-11-20 17:25:50,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:25:50,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:25:50,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:25:50,413 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:25:50,414 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:50" (1/1) ... [2022-11-20 17:25:50,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:25:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:50,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2022-11-20 17:25:50,484 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-11-20 17:25:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:25:50,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:50,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:50,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2022-11-20 17:25:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-11-20 17:25:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:25:50,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:50,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:51,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2022-11-20 17:25:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-20 17:25:51,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:25:51,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:51,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:51,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 36 transitions. [2022-11-20 17:25:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-20 17:25:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:25:51,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:51,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 39 transitions. [2022-11-20 17:25:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-11-20 17:25:51,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:25:51,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:51,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 38 transitions. [2022-11-20 17:25:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-11-20 17:25:51,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:25:51,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:51,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:52,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 43 transitions. [2022-11-20 17:25:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-20 17:25:52,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:25:52,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:52,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:53,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 42 transitions. [2022-11-20 17:25:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-11-20 17:25:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:25:53,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:53,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:53,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:54,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:54,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 48 transitions. [2022-11-20 17:25:54,087 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-20 17:25:54,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:25:54,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:54,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 47 transitions. [2022-11-20 17:25:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2022-11-20 17:25:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:25:54,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:54,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:54,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 48 transitions. [2022-11-20 17:25:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2022-11-20 17:25:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:25:54,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:54,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:25:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 44 transitions. [2022-11-20 17:25:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-11-20 17:25:54,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:25:54,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:54,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:25:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:58,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 56 transitions. [2022-11-20 17:25:58,445 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-11-20 17:25:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:25:58,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:58,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:25:58,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:58,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 58 transitions. [2022-11-20 17:25:58,884 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2022-11-20 17:25:58,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:25:58,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:58,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:04,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:04,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 55 states and 71 transitions. [2022-11-20 17:26:04,221 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-11-20 17:26:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:26:04,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:04,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:04,471 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 17:26:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:04,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 54 transitions. [2022-11-20 17:26:04,539 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 17:26:04,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:26:04,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:04,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:05,790 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 77 transitions. [2022-11-20 17:26:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2022-11-20 17:26:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:26:13,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:13,716 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:16,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 86 transitions. [2022-11-20 17:26:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 86 transitions. [2022-11-20 17:26:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:26:16,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:16,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:24,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 105 transitions. [2022-11-20 17:26:24,473 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 105 transitions. [2022-11-20 17:26:24,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:26:24,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:24,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:24,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 72 states and 113 transitions. [2022-11-20 17:26:27,632 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2022-11-20 17:26:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:26:27,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:28,097 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:28,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:28,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 112 transitions. [2022-11-20 17:26:28,792 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2022-11-20 17:26:28,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:26:28,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:28,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:37,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 80 states and 132 transitions. [2022-11-20 17:26:37,685 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2022-11-20 17:26:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:26:37,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:41,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 85 states and 140 transitions. [2022-11-20 17:26:41,296 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2022-11-20 17:26:41,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 17:26:41,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:51,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 93 states and 162 transitions. [2022-11-20 17:26:51,687 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2022-11-20 17:26:51,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-20 17:26:51,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:51,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:56,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 98 states and 170 transitions. [2022-11-20 17:26:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 170 transitions. [2022-11-20 17:26:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 17:26:56,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:56,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:58,435 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 106 states and 194 transitions. [2022-11-20 17:27:07,742 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 194 transitions. [2022-11-20 17:27:07,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-20 17:27:07,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:07,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:08,811 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:12,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 111 states and 202 transitions. [2022-11-20 17:27:12,777 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 202 transitions. [2022-11-20 17:27:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 17:27:12,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:12,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:25,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:25,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 119 states and 228 transitions. [2022-11-20 17:27:25,912 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 228 transitions. [2022-11-20 17:27:25,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-20 17:27:25,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:31,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 124 states and 236 transitions. [2022-11-20 17:27:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 236 transitions. [2022-11-20 17:27:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:27:31,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:31,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:46,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 132 states and 264 transitions. [2022-11-20 17:27:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 264 transitions. [2022-11-20 17:27:46,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:27:46,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:46,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:27:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:27:52,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 137 states and 272 transitions. [2022-11-20 17:27:52,424 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 272 transitions. [2022-11-20 17:27:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:27:52,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:27:52,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:27:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:27:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:08,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:08,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 145 states and 283 transitions. [2022-11-20 17:28:08,489 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 283 transitions. [2022-11-20 17:28:08,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:28:08,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:08,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:09,768 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:28:15,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:28:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 150 states and 290 transitions. [2022-11-20 17:28:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 290 transitions. [2022-11-20 17:28:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 17:28:15,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:28:15,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:28:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:28:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 159 states and 213 transitions. [2022-11-20 17:29:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 213 transitions. [2022-11-20 17:29:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 17:29:24,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:24,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 141 states and 186 transitions. [2022-11-20 17:29:41,437 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 186 transitions. [2022-11-20 17:29:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-20 17:29:41,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:42,522 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-20 17:29:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:46,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 140 states and 185 transitions. [2022-11-20 17:29:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 185 transitions. [2022-11-20 17:29:46,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:29:46,948 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2022-11-20 17:29:46,956 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:29:49,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:29:49 ImpRootNode [2022-11-20 17:29:49,298 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:29:49,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:29:49,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:29:49,299 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:29:49,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:25:50" (3/4) ... [2022-11-20 17:29:49,303 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:29:49,309 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2022-11-20 17:29:49,310 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure plus [2022-11-20 17:29:49,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 17:29:49,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:29:49,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:29:49,314 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:29:49,315 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:29:49,351 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:29:49,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:29:49,352 INFO L158 Benchmark]: Toolchain (without parser) took 239680.35ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 140.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 158.0MB. Max. memory is 16.1GB. [2022-11-20 17:29:49,353 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 73.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:49,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.15ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 130.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:29:49,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.41ms. Allocated memory is still 184.5MB. Free memory was 130.5MB in the beginning and 129.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:29:49,355 INFO L158 Benchmark]: Boogie Preprocessor took 21.96ms. Allocated memory is still 184.5MB. Free memory was 129.1MB in the beginning and 127.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:49,355 INFO L158 Benchmark]: RCFGBuilder took 426.65ms. Allocated memory is still 184.5MB. Free memory was 127.7MB in the beginning and 115.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:29:49,356 INFO L158 Benchmark]: CodeCheck took 238895.21ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 115.2MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 990.6MB. Max. memory is 16.1GB. [2022-11-20 17:29:49,356 INFO L158 Benchmark]: Witness Printer took 53.52ms. Allocated memory is still 1.6GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:29:49,359 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 3 procedures, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 236.5s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3273 SdHoareTripleChecker+Valid, 30.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2815 mSDsluCounter, 1863 SdHoareTripleChecker+Invalid, 26.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 4817 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17471 IncrementalHoareTripleChecker+Invalid, 22288 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4817 mSolverCounterUnsat, 1772 mSDtfsCounter, 17471 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13963 GetRequests, 12806 SyntacticMatches, 243 SemanticMatches, 914 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357706 ImplicationChecksByTransitivity, 213.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 53.2s InterpolantComputationTime, 1336 NumberOfCodeBlocks, 1336 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 1301 ConstructedInterpolants, 0 QuantifiedInterpolants, 8294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 15 PerfectInterpolantSequences, 609/3609 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 22]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 130.0MB. Free memory was 73.5MB in the beginning and 73.3MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.15ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 130.5MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.41ms. Allocated memory is still 184.5MB. Free memory was 130.5MB in the beginning and 129.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.96ms. Allocated memory is still 184.5MB. Free memory was 129.1MB in the beginning and 127.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.65ms. Allocated memory is still 184.5MB. Free memory was 127.7MB in the beginning and 115.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 238895.21ms. Allocated memory was 184.5MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 115.2MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 990.6MB. Max. memory is 16.1GB. * Witness Printer took 53.52ms. Allocated memory is still 1.6GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:29:49,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1798d4d-4047-47c7-ba7c-0861aa153bd7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE