./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-properties/simple-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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 a0d4825ef04f5689aff4ed3e5df593fedd83b7eb3ae072cea52c48718c9baf42 --- 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 [2022-12-14 18:25:08,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:25:08,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:25:08,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:25:08,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:25:08,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:25:08,909 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:25:08,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:25:08,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:25:08,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:25:08,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:25:08,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:25:08,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:25:08,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:25:08,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:25:08,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:25:08,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:25:08,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:25:08,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:25:08,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:25:08,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:25:08,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:25:08,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:25:08,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:25:08,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:25:08,925 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:25:08,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:25:08,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:25:08,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:25:08,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:25:08,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:25:08,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:25:08,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:25:08,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:25:08,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:25:08,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:25:08,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:25:08,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:25:08,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:25:08,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:25:08,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:25:08,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 18:25:08,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:25:08,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:25:08,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:25:08,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:25:08,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:25:08,955 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:25:08,955 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:25:08,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:25:08,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:25:08,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:25:08,956 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:25:08,956 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:25:08,956 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:25:08,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:25:08,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:25:08,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:25:08,957 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:25:08,957 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:25:08,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:25:08,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:08,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:25:08,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:25:08,958 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 18:25:08,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 18:25:08,959 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0d4825ef04f5689aff4ed3e5df593fedd83b7eb3ae072cea52c48718c9baf42 [2022-12-14 18:25:09,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:25:09,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:25:09,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:25:09,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:25:09,151 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:25:09,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-properties/simple-2.i [2022-12-14 18:25:11,820 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:25:12,019 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:25:12,020 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/sv-benchmarks/c/list-properties/simple-2.i [2022-12-14 18:25:12,033 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data/7528785ec/2a1d95750065404dbec3b06487fe7089/FLAG8f8a1d593 [2022-12-14 18:25:12,048 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data/7528785ec/2a1d95750065404dbec3b06487fe7089 [2022-12-14 18:25:12,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:25:12,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:25:12,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:12,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:25:12,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:25:12,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113c8fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12, skipping insertion in model container [2022-12-14 18:25:12,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:25:12,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:25:12,344 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/sv-benchmarks/c/list-properties/simple-2.i[23225,23238] [2022-12-14 18:25:12,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:12,358 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:25:12,390 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/sv-benchmarks/c/list-properties/simple-2.i[23225,23238] [2022-12-14 18:25:12,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:12,414 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:25:12,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12 WrapperNode [2022-12-14 18:25:12,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:12,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:12,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:25:12,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:25:12,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,453 INFO L138 Inliner]: procedures = 124, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 18:25:12,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:12,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:25:12,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:25:12,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:25:12,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,475 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:25:12,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:25:12,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:25:12,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:25:12,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:12,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:25:12,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:25:12,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:25:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 18:25:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 18:25:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:25:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:25:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 18:25:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 18:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 18:25:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:25:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:25:12,620 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:25:12,622 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:25:12,789 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:25:12,815 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:25:12,815 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:25:12,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:12 BoogieIcfgContainer [2022-12-14 18:25:12,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:25:12,818 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:25:12,818 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:25:12,825 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:25:12,825 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:12" (1/1) ... [2022-12-14 18:25:12,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:25:12,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 35 states and 40 transitions. [2022-12-14 18:25:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-12-14 18:25:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:25:12,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:12,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:12,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2022-12-14 18:25:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-12-14 18:25:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:25:13,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2022-12-14 18:25:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-12-14 18:25:13,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:25:13,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2022-12-14 18:25:13,396 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2022-12-14 18:25:13,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:25:13,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2022-12-14 18:25:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-12-14 18:25:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 18:25:13,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2022-12-14 18:25:13,625 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2022-12-14 18:25:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:25:13,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-12-14 18:25:13,655 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-12-14 18:25:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 18:25:13,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2022-12-14 18:25:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2022-12-14 18:25:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:25:13,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-12-14 18:25:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-12-14 18:25:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 18:25:13,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:13,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 45 states and 55 transitions. [2022-12-14 18:25:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-12-14 18:25:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:25:13,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:13,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2022-12-14 18:25:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-12-14 18:25:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:25:14,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:14,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 79 transitions. [2022-12-14 18:25:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2022-12-14 18:25:14,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:25:14,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:14,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:14,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:14,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 86 transitions. [2022-12-14 18:25:14,744 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 86 transitions. [2022-12-14 18:25:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:25:14,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:14,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:14,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:14,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:14,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2022-12-14 18:25:14,782 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2022-12-14 18:25:14,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 18:25:14,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:14,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:14,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:14,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:14,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 61 states and 92 transitions. [2022-12-14 18:25:14,927 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 92 transitions. [2022-12-14 18:25:14,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:25:14,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:14,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 60 states and 90 transitions. [2022-12-14 18:25:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 90 transitions. [2022-12-14 18:25:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:25:14,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:14,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:15,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:15,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 62 states and 97 transitions. [2022-12-14 18:25:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 97 transitions. [2022-12-14 18:25:15,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 18:25:15,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:15,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:15,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:15,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 65 states and 104 transitions. [2022-12-14 18:25:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 104 transitions. [2022-12-14 18:25:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:25:15,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:15,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:16,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:16,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 66 states and 105 transitions. [2022-12-14 18:25:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 105 transitions. [2022-12-14 18:25:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 18:25:16,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:16,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:25:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:25:17,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:17,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2022-12-14 18:25:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2022-12-14 18:25:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 18:25:17,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:17,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:25:17,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:25:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:25:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:25:17,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 18:25:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 18:25:17,174 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations. [2022-12-14 18:25:17,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 06:25:17 ImpRootNode [2022-12-14 18:25:17,192 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 18:25:17,192 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 18:25:17,192 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 18:25:17,192 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 18:25:17,193 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:12" (3/4) ... [2022-12-14 18:25:17,195 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 18:25:17,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 18:25:17,196 INFO L158 Benchmark]: Toolchain (without parser) took 5143.53ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 90.3MB in the beginning and 51.4MB in the end (delta: 38.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2022-12-14 18:25:17,196 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:17,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.68ms. Allocated memory is still 125.8MB. Free memory was 90.3MB in the beginning and 74.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 18:25:17,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.45ms. Allocated memory is still 125.8MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:17,197 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 125.8MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:17,197 INFO L158 Benchmark]: RCFGBuilder took 338.47ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 54.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:25:17,198 INFO L158 Benchmark]: CodeCheck took 4374.08ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 54.7MB in the beginning and 51.4MB in the end (delta: 3.2MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-12-14 18:25:17,198 INFO L158 Benchmark]: Witness Printer took 2.91ms. Allocated memory is still 151.0MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:17,200 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, 35 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 915 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 606 mSDsluCounter, 1052 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 687 mSDsCounter, 592 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1988 IncrementalHoareTripleChecker+Invalid, 2580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 592 mSolverCounterUnsat, 365 mSDtfsCounter, 1988 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1201 GetRequests, 1065 SyntacticMatches, 28 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4646 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 4/4 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 - UnprovableResult [Line: 531]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 531. Possible FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) [L534] List t; [L535] List p = a; VAL [a={-1:0}, p={-1:0}] [L536] COND FALSE !(__VERIFIER_nondet_int()) [L543] p->h = 1 VAL [a={-1:0}, p={-1:0}] [L544] p->n = 0 [L545] p = a VAL [a={-1:0}, p={-1:0}] [L546] COND TRUE p!=0 VAL [a={-1:0}, p={-1:0}] [L547] EXPR p->h VAL [a={-1:0}, p={-1:0}, p->h=1] [L547] COND FALSE !(p->h != 1) [L550] EXPR p->n [L550] p = p->n [L546] COND FALSE !(p!=0) [L552] return 0; VAL [\result=0, a={-1:0}, p={0:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 69.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.68ms. Allocated memory is still 125.8MB. Free memory was 90.3MB in the beginning and 74.0MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.45ms. Allocated memory is still 125.8MB. Free memory was 74.0MB in the beginning and 71.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 125.8MB. Free memory was 71.9MB in the beginning and 70.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.47ms. Allocated memory is still 125.8MB. Free memory was 70.5MB in the beginning and 54.7MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4374.08ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 54.7MB in the beginning and 51.4MB in the end (delta: 3.2MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Witness Printer took 2.91ms. Allocated memory is still 151.0MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 18:25:17,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-properties/simple-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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 a0d4825ef04f5689aff4ed3e5df593fedd83b7eb3ae072cea52c48718c9baf42 --- 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 [2022-12-14 18:25:18,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 18:25:18,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 18:25:18,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 18:25:18,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 18:25:18,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 18:25:18,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 18:25:18,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 18:25:18,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 18:25:18,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 18:25:18,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 18:25:18,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 18:25:18,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 18:25:18,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 18:25:18,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 18:25:18,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 18:25:18,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 18:25:18,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 18:25:18,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 18:25:18,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 18:25:18,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 18:25:18,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 18:25:18,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 18:25:18,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 18:25:18,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 18:25:18,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 18:25:18,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 18:25:18,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 18:25:18,989 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 18:25:18,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 18:25:18,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 18:25:18,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 18:25:18,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 18:25:18,993 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 18:25:18,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 18:25:18,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 18:25:18,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 18:25:18,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 18:25:18,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 18:25:19,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 18:25:19,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 18:25:19,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2022-12-14 18:25:19,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 18:25:19,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 18:25:19,022 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 18:25:19,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 18:25:19,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 18:25:19,022 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 18:25:19,022 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 18:25:19,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 18:25:19,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 18:25:19,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 18:25:19,023 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 18:25:19,023 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 18:25:19,023 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 18:25:19,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 18:25:19,023 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 18:25:19,024 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 18:25:19,024 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 18:25:19,024 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 18:25:19,024 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 18:25:19,024 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 18:25:19,024 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 18:25:19,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 18:25:19,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:19,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 18:25:19,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 18:25:19,025 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 18:25:19,025 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 18:25:19,026 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 18:25:19,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 18:25:19,026 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0d4825ef04f5689aff4ed3e5df593fedd83b7eb3ae072cea52c48718c9baf42 [2022-12-14 18:25:19,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 18:25:19,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 18:25:19,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 18:25:19,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 18:25:19,271 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 18:25:19,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/list-properties/simple-2.i [2022-12-14 18:25:21,876 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 18:25:22,020 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 18:25:22,021 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/sv-benchmarks/c/list-properties/simple-2.i [2022-12-14 18:25:22,029 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data/401982a22/417b11bc23804b86ae0b1748219c8ba0/FLAGa6100594d [2022-12-14 18:25:22,039 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/data/401982a22/417b11bc23804b86ae0b1748219c8ba0 [2022-12-14 18:25:22,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 18:25:22,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 18:25:22,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:22,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 18:25:22,045 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 18:25:22,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c9f6aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22, skipping insertion in model container [2022-12-14 18:25:22,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 18:25:22,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 18:25:22,262 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/sv-benchmarks/c/list-properties/simple-2.i[23225,23238] [2022-12-14 18:25:22,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:22,277 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 18:25:22,303 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_7cadfbed-f2c4-4d2e-8cea-b273674179b4/sv-benchmarks/c/list-properties/simple-2.i[23225,23238] [2022-12-14 18:25:22,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 18:25:22,323 INFO L208 MainTranslator]: Completed translation [2022-12-14 18:25:22,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22 WrapperNode [2022-12-14 18:25:22,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 18:25:22,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:22,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 18:25:22,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 18:25:22,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,353 INFO L138 Inliner]: procedures = 127, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2022-12-14 18:25:22,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 18:25:22,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 18:25:22,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 18:25:22,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 18:25:22,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,372 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 18:25:22,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 18:25:22,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 18:25:22,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 18:25:22,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 18:25:22,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 18:25:22,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 18:25:22,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 18:25:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 18:25:22,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 18:25:22,517 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 18:25:22,519 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 18:25:22,709 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 18:25:22,742 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 18:25:22,742 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 18:25:22,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:22 BoogieIcfgContainer [2022-12-14 18:25:22,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 18:25:22,745 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 18:25:22,745 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 18:25:22,752 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 18:25:22,752 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:25:22" (1/1) ... [2022-12-14 18:25:22,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 18:25:22,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:25:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-12-14 18:25:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-12-14 18:25:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 18:25:22,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:25:22,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:25:22,835 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 18:25:22,838 INFO L158 Benchmark]: Toolchain (without parser) took 795.37ms. Allocated memory is still 75.5MB. Free memory was 43.3MB in the beginning and 53.7MB in the end (delta: -10.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-12-14 18:25:22,838 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 18:25:22,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.59ms. Allocated memory is still 75.5MB. Free memory was 43.1MB in the beginning and 48.8MB in the end (delta: -5.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-12-14 18:25:22,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.93ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 46.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:22,839 INFO L158 Benchmark]: Boogie Preprocessor took 20.57ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:22,840 INFO L158 Benchmark]: RCFGBuilder took 369.40ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 49.7MB in the end (delta: -4.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 18:25:22,841 INFO L158 Benchmark]: CodeCheck took 91.80ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 53.7MB in the end (delta: -4.0MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-12-14 18:25:22,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.59ms. Allocated memory is still 75.5MB. Free memory was 43.1MB in the beginning and 48.8MB in the end (delta: -5.7MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.93ms. Allocated memory is still 75.5MB. Free memory was 48.8MB in the beginning and 46.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.57ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 45.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.40ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 49.7MB in the end (delta: -4.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 91.80ms. Allocated memory is still 75.5MB. Free memory was 49.7MB in the beginning and 53.7MB in the end (delta: -4.0MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 18:25:22,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cadfbed-f2c4-4d2e-8cea-b273674179b4/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: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared