./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:53:24,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:53:24,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:53:24,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:53:24,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:53:24,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:53:24,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:53:24,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:53:24,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:53:24,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:53:24,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:53:24,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:53:24,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:53:24,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:53:24,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:53:24,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:53:24,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:53:24,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:53:24,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:53:24,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:53:24,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:53:24,660 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:53:24,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:53:24,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:53:24,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:53:24,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:53:24,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:53:24,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:53:24,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:53:24,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:53:24,678 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:53:24,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:53:24,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:53:24,681 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:53:24,682 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:53:24,682 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:53:24,683 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:53:24,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:53:24,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:53:24,684 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:53:24,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:53:24,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 17:53:24,714 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:53:24,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:53:24,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:53:24,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:53:24,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:53:24,718 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:53:24,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:53:24,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:53:24,718 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:53:24,719 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:53:24,720 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:53:24,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:53:24,720 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:53:24,721 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:53:24,721 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:53:24,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:53:24,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:24,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:53:24,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:53:24,722 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:53:24,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:53:24,723 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_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 [2022-11-20 17:53:24,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:53:25,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:53:25,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:53:25,042 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:53:25,043 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:53:25,044 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2022-11-20 17:53:28,110 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:53:28,358 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:53:28,358 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2022-11-20 17:53:28,369 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data/416eb18e5/6a35a4bc2c3944f2b9b05e99593661d0/FLAG187cd8f78 [2022-11-20 17:53:28,384 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data/416eb18e5/6a35a4bc2c3944f2b9b05e99593661d0 [2022-11-20 17:53:28,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:53:28,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:53:28,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:28,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:53:28,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:53:28,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702c5026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28, skipping insertion in model container [2022-11-20 17:53:28,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:53:28,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:53:28,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:28,757 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:53:28,828 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:28,875 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:53:28,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28 WrapperNode [2022-11-20 17:53:28,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:28,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:28,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:53:28,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:53:28,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,942 INFO L138 Inliner]: procedures = 152, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-20 17:53:28,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:28,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:53:28,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:53:28,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:53:28,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,988 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:28,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:53:28,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:53:28,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:53:28,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:53:29,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:28" (1/1) ... [2022-11-20 17:53:29,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:53:29,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:53:29,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:53:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:53:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:53:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:53:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:53:29,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:53:29,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:53:29,182 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:53:29,184 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:53:29,356 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:53:29,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:53:29,480 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:53:29,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:29 BoogieIcfgContainer [2022-11-20 17:53:29,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:53:29,484 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:53:29,484 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:53:29,513 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:53:29,515 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:29" (1/1) ... [2022-11-20 17:53:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:53:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:29,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 17:53:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 17:53:29,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:53:29,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:29,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:29,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:29,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 17:53:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 17:53:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:53:29,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:29,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-11-20 17:53:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 17:53:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:53:30,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:30,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 17:53:30,374 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 17:53:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:53:30,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:30,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:31,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 17:53:31,147 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 17:53:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:53:31,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:31,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 17:53:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 17:53:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:53:31,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:31,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:31,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2022-11-20 17:53:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-11-20 17:53:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:53:31,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:31,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:53:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:53:31,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:53:31,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:31,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2022-11-20 17:53:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2022-11-20 17:53:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:53:31,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:31,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2022-11-20 17:53:31,569 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2022-11-20 17:53:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:53:31,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:31,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 17:53:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 17:53:33,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:53:33,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:33,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:34,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-20 17:53:34,728 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-20 17:53:34,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:53:34,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:34,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-11-20 17:53:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-20 17:53:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:53:35,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:35,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:35,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:53:37,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-11-20 17:53:37,765 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-11-20 17:53:37,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:53:37,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:37,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:53:37,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:53:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2022-11-20 17:53:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2022-11-20 17:53:38,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:53:38,253 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2022-11-20 17:53:38,264 INFO L754 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2022-11-20 17:53:38,391 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-11-20 17:53:38,408 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 17:53:38,409 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:588) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:361) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:163) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:173) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:137) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:401) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.reportResult(CodeCheckObserver.java:793) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantResults(CodeCheckObserver.java:564) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:520) 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) [2022-11-20 17:53:38,418 INFO L158 Benchmark]: Toolchain (without parser) took 10030.19ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 119.9MB in the beginning and 163.4MB in the end (delta: -43.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-20 17:53:38,420 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:53:38,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.55ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 102.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:53:38,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.34ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:53:38,425 INFO L158 Benchmark]: Boogie Preprocessor took 53.83ms. Allocated memory is still 163.6MB. Free memory was 100.1MB in the beginning and 98.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:53:38,425 INFO L158 Benchmark]: RCFGBuilder took 485.15ms. Allocated memory is still 163.6MB. Free memory was 98.9MB in the beginning and 84.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:53:38,427 INFO L158 Benchmark]: CodeCheck took 8933.21ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 84.9MB in the beginning and 163.4MB in the end (delta: -78.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:53:38,430 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, 18 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 252 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 210 mSDsluCounter, 212 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 138 mSDsCounter, 356 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 938 IncrementalHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 356 mSolverCounterUnsat, 74 mSDtfsCounter, 938 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 710 GetRequests, 575 SyntacticMatches, 23 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4496 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 680 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 4/11 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 370]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((((s + 1 <= unknown-#length-unknown[s] && \old(unknown-main_\old_#valid#1-unknown) == \valid[__builtin_alloca(length * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length * sizeof(char))]]) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca(length * sizeof(char))] == 0) && \valid[s] == 1) && 0 <= s) && unknown-#memory_int-unknown[s][0] == 0 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:588) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.55ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 102.1MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.34ms. Allocated memory is still 163.6MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.83ms. Allocated memory is still 163.6MB. Free memory was 100.1MB in the beginning and 98.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.15ms. Allocated memory is still 163.6MB. Free memory was 98.9MB in the beginning and 84.9MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 8933.21ms. Allocated memory was 163.6MB in the beginning and 216.0MB in the end (delta: 52.4MB). Free memory was 84.9MB in the beginning and 163.4MB in the end (delta: -78.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:53:38,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/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_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:53:40,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:53:40,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:53:41,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:53:41,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:53:41,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:53:41,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:53:41,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:53:41,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:53:41,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:53:41,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:53:41,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:53:41,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:53:41,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:53:41,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:53:41,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:53:41,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:53:41,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:53:41,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:53:41,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:53:41,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:53:41,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:53:41,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:53:41,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:53:41,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:53:41,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:53:41,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:53:41,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:53:41,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:53:41,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:53:41,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:53:41,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:53:41,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:53:41,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:53:41,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:53:41,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:53:41,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:53:41,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:53:41,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:53:41,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:53:41,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:53:41,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2022-11-20 17:53:41,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:53:41,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:53:41,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:53:41,176 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:53:41,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:53:41,176 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:53:41,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:53:41,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:53:41,177 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:53:41,177 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:53:41,178 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:53:41,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:53:41,179 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:53:41,179 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:53:41,179 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:53:41,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:53:41,180 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:53:41,180 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:53:41,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:53:41,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:41,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:53:41,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:53:41,182 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:53:41,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:53:41,182 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:53:41,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:53:41,182 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_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2261b8075e5a5018e09c71b2ef98f1a55d20ac7ba7a361137d9c5ebaba61150 [2022-11-20 17:53:41,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:53:41,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:53:41,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:53:41,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:53:41,602 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:53:41,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2022-11-20 17:53:44,711 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:53:45,013 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:53:45,013 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/sv-benchmarks/c/termination-15/cstrchr_reverse_alloca.i [2022-11-20 17:53:45,027 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data/dfaaf6ff6/cdbfe5d5d3e44302befc84c5f92db7e3/FLAGd47ad6160 [2022-11-20 17:53:45,045 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/data/dfaaf6ff6/cdbfe5d5d3e44302befc84c5f92db7e3 [2022-11-20 17:53:45,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:53:45,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:53:45,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:45,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:53:45,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:53:45,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd05d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45, skipping insertion in model container [2022-11-20 17:53:45,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:53:45,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:53:45,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:45,410 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:53:45,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:53:45,486 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:53:45,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45 WrapperNode [2022-11-20 17:53:45,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:53:45,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:45,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:53:45,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:53:45,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,539 INFO L138 Inliner]: procedures = 153, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2022-11-20 17:53:45,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:53:45,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:53:45,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:53:45,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:53:45,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:53:45,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:53:45,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:53:45,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:53:45,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:53:45" (1/1) ... [2022-11-20 17:53:45,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:53:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:53:45,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:53:45,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:53:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 17:53:45,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:53:45,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:53:45,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:53:45,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:53:45,791 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:53:45,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:53:46,126 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:53:46,215 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:53:46,215 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:53:46,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:46 BoogieIcfgContainer [2022-11-20 17:53:46,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:53:46,218 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:53:46,219 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:53:46,228 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:53:46,229 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:53:46" (1/1) ... [2022-11-20 17:53:46,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:53:46,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:53:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2022-11-20 17:53:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-20 17:53:46,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:53:46,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:53:46,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:53:46,345 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) [2022-11-20 17:53:46,351 INFO L158 Benchmark]: Toolchain (without parser) took 1300.96ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 29.5MB in the beginning and 44.4MB in the end (delta: -15.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-11-20 17:53:46,352 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:53:46,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.10ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 29.3MB in the beginning and 49.7MB in the end (delta: -20.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-11-20 17:53:46,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.84ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 47.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:53:46,354 INFO L158 Benchmark]: Boogie Preprocessor took 37.45ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:53:46,355 INFO L158 Benchmark]: RCFGBuilder took 639.63ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 50.8MB in the end (delta: -4.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-20 17:53:46,356 INFO L158 Benchmark]: CodeCheck took 131.14ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 44.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:53:46,365 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 0.63ms. Allocated memory is still 60.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.10ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 29.3MB in the beginning and 49.7MB in the end (delta: -20.4MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.84ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 47.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.45ms. Allocated memory is still 83.9MB. Free memory was 47.2MB in the beginning and 45.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.63ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 50.8MB in the end (delta: -4.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * CodeCheck took 131.14ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 44.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:53:46,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff154040-69cc-4366-8c9e-3503e5617d26/bin/ukojak-pZX7IvK2PQ/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