./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.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_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/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_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/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_7d112153-66a7-4905-b008-91b1f724ef85/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 1fa4bda6bd30ba2cdf5e016e12b6593fa4b1ef45b4dc13eb01e28da7c534ab67 --- 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 20:30:16,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:30:16,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:30:16,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:30:16,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:30:16,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:30:16,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:30:16,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:30:16,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:30:16,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:30:16,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:30:16,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:30:16,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:30:16,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:30:16,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:30:16,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:30:16,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:30:16,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:30:16,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:30:16,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:30:16,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:30:16,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:30:16,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:30:16,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:30:16,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:30:16,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:30:16,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:30:16,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:30:16,784 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:30:16,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:30:16,785 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:30:16,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:30:16,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:30:16,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:30:16,787 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:30:16,787 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:30:16,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:30:16,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:30:16,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:30:16,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:30:16,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:30:16,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 20:30:16,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:30:16,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:30:16,805 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:30:16,805 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:30:16,805 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:30:16,805 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:30:16,805 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:30:16,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:30:16,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:30:16,806 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:30:16,806 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:30:16,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:30:16,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:30:16,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:30:16,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:30:16,807 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:30:16,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:30:16,807 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_7d112153-66a7-4905-b008-91b1f724ef85/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa4bda6bd30ba2cdf5e016e12b6593fa4b1ef45b4dc13eb01e28da7c534ab67 [2022-12-14 20:30:16,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:30:17,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:30:17,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:30:17,009 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:30:17,009 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:30:17,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2022-12-14 20:30:19,576 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:30:19,719 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:30:19,720 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/sv-benchmarks/c/array-memsafety/cstrlen_unsafe.i [2022-12-14 20:30:19,728 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/data/a0fe2332b/8eaf7f19166b4f789a6111ba88cf8849/FLAG20138ec4b [2022-12-14 20:30:19,739 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/data/a0fe2332b/8eaf7f19166b4f789a6111ba88cf8849 [2022-12-14 20:30:19,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:30:19,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:30:19,743 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:30:19,743 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:30:19,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:30:19,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:30:19" (1/1) ... [2022-12-14 20:30:19,747 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe66289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:19, skipping insertion in model container [2022-12-14 20:30:19,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:30:19" (1/1) ... [2022-12-14 20:30:19,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:30:19,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:30:19,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:30:19,959 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:30:19,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:30:20,002 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:30:20,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20 WrapperNode [2022-12-14 20:30:20,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:30:20,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:30:20,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:30:20,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:30:20,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,030 INFO L138 Inliner]: procedures = 118, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2022-12-14 20:30:20,030 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:30:20,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:30:20,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:30:20,031 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:30:20,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,047 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:30:20,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:30:20,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:30:20,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:30:20,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:30:20,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:30:20,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:30:20,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:30:20,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:30:20,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:30:20,185 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:30:20,188 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:30:20,321 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:30:20,354 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:30:20,354 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:30:20,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:20 BoogieIcfgContainer [2022-12-14 20:30:20,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 20:30:20,358 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 20:30:20,358 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 20:30:20,378 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 20:30:20,379 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:20" (1/1) ... [2022-12-14 20:30:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 20:30:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2022-12-14 20:30:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-12-14 20:30:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:30:20,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:20,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:20,619 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 20:30:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:20,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2022-12-14 20:30:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-12-14 20:30:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:30:20,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:20,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:20,854 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 20:30:21,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-12-14 20:30:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-12-14 20:30:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:30:21,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:21,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:21,211 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 20:30:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2022-12-14 20:30:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-12-14 20:30:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 20:30:21,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:21,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:21,565 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 20:30:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:21,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2022-12-14 20:30:21,973 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-12-14 20:30:21,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:30:21,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:21,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:22,029 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 20:30:22,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-12-14 20:30:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-12-14 20:30:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 20:30:22,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:22,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:22,259 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 20:30:22,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:22,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2022-12-14 20:30:22,660 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2022-12-14 20:30:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:30:22,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:22,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:22,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:23,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2022-12-14 20:30:23,761 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-12-14 20:30:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 20:30:23,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:23,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:24,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:25,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2022-12-14 20:30:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2022-12-14 20:30:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:30:25,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:25,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2022-12-14 20:30:26,600 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2022-12-14 20:30:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:30:26,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:26,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 63 transitions. [2022-12-14 20:30:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 63 transitions. [2022-12-14 20:30:26,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:30:26,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:26,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:26,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 60 transitions. [2022-12-14 20:30:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2022-12-14 20:30:26,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 20:30:26,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:26,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:27,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:27,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2022-12-14 20:30:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2022-12-14 20:30:27,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:30:27,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:27,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:29,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2022-12-14 20:30:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2022-12-14 20:30:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:30:29,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:29,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:32,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:32,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 41 states and 83 transitions. [2022-12-14 20:30:32,062 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 83 transitions. [2022-12-14 20:30:32,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:30:32,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:32,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:32,637 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:33,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2022-12-14 20:30:33,581 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2022-12-14 20:30:33,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 20:30:33,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:33,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:33,741 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 20:30:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2022-12-14 20:30:34,422 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2022-12-14 20:30:34,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:30:34,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:34,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 20:30:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 20:30:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 20:30:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2022-12-14 20:30:35,995 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-12-14 20:30:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 20:30:35,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 20:30:35,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 20:30:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:30:36,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:30:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:30:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:30:36,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 20:30:36,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 20:30:36,067 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2022-12-14 20:30:36,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 08:30:36 ImpRootNode [2022-12-14 20:30:36,091 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 20:30:36,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 20:30:36,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 20:30:36,092 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 20:30:36,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:30:20" (3/4) ... [2022-12-14 20:30:36,094 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 20:30:36,130 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 20:30:36,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 20:30:36,131 INFO L158 Benchmark]: Toolchain (without parser) took 16388.13ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 95.4MB in the beginning and 61.7MB in the end (delta: 33.7MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2022-12-14 20:30:36,131 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:30:36,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.07ms. Allocated memory is still 151.0MB. Free memory was 94.9MB in the beginning and 79.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 20:30:36,132 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.74ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:30:36,133 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 151.0MB. Free memory was 77.4MB in the beginning and 76.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:30:36,133 INFO L158 Benchmark]: RCFGBuilder took 307.24ms. Allocated memory is still 151.0MB. Free memory was 75.8MB in the beginning and 61.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:30:36,134 INFO L158 Benchmark]: CodeCheck took 15733.92ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 61.1MB in the beginning and 63.7MB in the end (delta: -2.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-12-14 20:30:36,134 INFO L158 Benchmark]: Witness Printer took 38.19ms. Allocated memory is still 182.5MB. Free memory was 63.7MB in the beginning and 61.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:30:36,138 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, 22 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 384 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 349 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 650 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2341 IncrementalHoareTripleChecker+Invalid, 2991 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 650 mSolverCounterUnsat, 48 mSDtfsCounter, 2341 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 956 GetRequests, 726 SyntacticMatches, 30 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17481 ImplicationChecksByTransitivity, 13.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 1468 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 3/25 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L537] CALL, EXPR build_nondet_String() [L515] int length = __VERIFIER_nondet_int(); [L516] COND FALSE !(length < 1) [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; VAL [i=0, length=2, nondetString={-1:0}] [L521] COND TRUE i < length - 1 [L523] nondetString[i] = __VERIFIER_nondet_char() [L521] i++ VAL [i=1, length=2, nondetString={-1:0}] [L521] COND FALSE !(i < length - 1) VAL [i=1, length=2, nondetString={-1:0}] [L526] nondetString[length-1] = '\0' [L527] return nondetString; [L537] RET, EXPR build_nondet_String() [L537] char* p = build_nondet_String(); [L538] CALL cstrlen(p) [L531] const char *p = s; VAL [p={-1:0}, s={-1:0}, s={-1:0}] [L532] EXPR \read(*p) VAL [\read(*p)=-125, p={-1:0}, s={-1:0}, s={-1:0}] [L532] COND TRUE *p != '\0' [L533] p = p+2 VAL [p={-1:2}, s={-1:0}, s={-1:0}] [L532] \read(*p) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 151.0MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.07ms. Allocated memory is still 151.0MB. Free memory was 94.9MB in the beginning and 79.1MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.74ms. Allocated memory is still 151.0MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 151.0MB. Free memory was 77.4MB in the beginning and 76.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.24ms. Allocated memory is still 151.0MB. Free memory was 75.8MB in the beginning and 61.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15733.92ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 61.1MB in the beginning and 63.7MB in the end (delta: -2.7MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Witness Printer took 38.19ms. Allocated memory is still 182.5MB. Free memory was 63.7MB in the beginning and 61.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 20:30:36,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d112153-66a7-4905-b008-91b1f724ef85/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)