./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf --- 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 16:29:39,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:29:39,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:29:39,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:29:39,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:29:39,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:29:39,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:29:39,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:29:39,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:29:39,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:29:39,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:29:39,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:29:39,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:29:39,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:29:39,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:29:39,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:29:39,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:29:39,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:29:39,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:29:39,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:29:39,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:29:39,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:29:39,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:29:39,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:29:39,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:29:39,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:29:39,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:29:39,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:29:39,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:29:39,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:29:39,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:29:39,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:29:39,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:29:39,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:29:39,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:29:39,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:29:39,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:29:39,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:29:39,649 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:29:39,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:29:39,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:29:39,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 16:29:39,672 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:29:39,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:29:39,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:29:39,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:29:39,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:29:39,675 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:29:39,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:29:39,675 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:29:39,676 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:29:39,676 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:29:39,676 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:29:39,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:29:39,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:29:39,677 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:29:39,677 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:29:39,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:29:39,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:29:39,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:29:39,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:29:39,678 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:29:39,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:29:39,679 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_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf [2022-11-20 16:29:39,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:29:40,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:29:40,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:29:40,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:29:40,029 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:29:40,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-11-20 16:29:43,278 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:29:43,645 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:29:43,651 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-11-20 16:29:43,664 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data/dab1bc325/5453137ae5b443f8ba23a499c2c2e0cb/FLAG40ebbec29 [2022-11-20 16:29:43,681 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data/dab1bc325/5453137ae5b443f8ba23a499c2c2e0cb [2022-11-20 16:29:43,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:29:43,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:29:43,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:29:43,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:29:43,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:29:43,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:43" (1/1) ... [2022-11-20 16:29:43,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f597b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:43, skipping insertion in model container [2022-11-20 16:29:43,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:29:43" (1/1) ... [2022-11-20 16:29:43,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:29:43,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:29:44,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:29:44,113 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:29:44,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:29:44,229 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:29:44,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44 WrapperNode [2022-11-20 16:29:44,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:29:44,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:29:44,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:29:44,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:29:44,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,298 INFO L138 Inliner]: procedures = 111, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 53 [2022-11-20 16:29:44,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:29:44,300 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:29:44,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:29:44,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:29:44,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,336 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,337 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:29:44,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:29:44,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:29:44,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:29:44,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:29:44,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:29:44,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:29:44,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:29:44,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:29:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:29:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:29:44,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:29:44,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:29:44,592 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:29:44,595 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:29:44,785 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:29:44,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:29:44,840 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:29:44,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:44 BoogieIcfgContainer [2022-11-20 16:29:44,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:29:44,844 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:29:44,844 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:29:44,859 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:29:44,859 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:29:44" (1/1) ... [2022-11-20 16:29:44,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:29:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-11-20 16:29:45,003 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-20 16:29:45,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:29:45,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:45,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:45,585 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 16:29:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-20 16:29:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-20 16:29:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:29:45,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:45,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:46,198 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 16:29:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:46,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2022-11-20 16:29:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-20 16:29:46,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 16:29:46,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:46,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:46,933 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 16:29:47,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-11-20 16:29:47,175 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-20 16:29:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:29:47,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:47,371 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 16:29:48,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-11-20 16:29:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-20 16:29:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:29:48,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:48,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:49,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:51,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2022-11-20 16:29:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2022-11-20 16:29:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:29:51,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:51,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:51,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:29:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2022-11-20 16:29:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2022-11-20 16:29:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 16:29:53,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:53,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:53,353 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 16:29:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2022-11-20 16:29:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2022-11-20 16:29:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:29:53,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:53,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:29:54,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-11-20 16:29:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-11-20 16:29:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:29:54,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:54,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:55,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 16:29:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:29:55,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-11-20 16:29:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-11-20 16:29:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 16:29:55,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:29:55,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:29:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:29:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:30:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2022-11-20 16:30:07,988 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2022-11-20 16:30:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:30:07,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:07,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 16:30:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-11-20 16:30:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-11-20 16:30:08,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 16:30:08,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:08,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:30:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2022-11-20 16:30:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2022-11-20 16:30:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:30:31,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:30:31,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:30:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:30:35,036 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:30:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:30:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2022-11-20 16:30:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2022-11-20 16:30:51,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:30:51,847 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2022-11-20 16:30:51,859 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2022-11-20 16:30:52,662 INFO L560 CodeCheckObserver]: Invariant with dag size 60 [2022-11-20 16:30:52,678 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 16:30:52,679 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 16:30:52,690 INFO L158 Benchmark]: Toolchain (without parser) took 69003.64ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 124.9MB in the beginning and 102.7MB in the end (delta: 22.2MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-11-20 16:30:52,691 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:30:52,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.75ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 120.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 16:30:52,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.67ms. Allocated memory is still 161.5MB. Free memory was 120.2MB in the beginning and 118.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:30:52,693 INFO L158 Benchmark]: Boogie Preprocessor took 38.91ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 117.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:30:52,693 INFO L158 Benchmark]: RCFGBuilder took 502.70ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 102.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:30:52,694 INFO L158 Benchmark]: CodeCheck took 67845.49ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 102.5MB in the beginning and 102.7MB in the end (delta: -156.4kB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2022-11-20 16:30:52,698 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, 13 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 67.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 431 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 170 mSDsCounter, 488 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1840 IncrementalHoareTripleChecker+Invalid, 2328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 488 mSolverCounterUnsat, 125 mSDtfsCounter, 1840 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1384 GetRequests, 1087 SyntacticMatches, 43 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24195 ImplicationChecksByTransitivity, 61.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 1772 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 33/82 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: 559]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && 18446744073709551616 * ((18446744073709551615 + p + n + -unknown-#length-unknown[p]) / 18446744073709551616) + unknown-#length-unknown[p] <= p + 18446744073709551614 + (-1 + n) / 18446744073709551616 * 18446744073709551616) && 1 <= p) && p + 1 <= unknown-#length-unknown[p]) && \valid[p] == 1) && p + n <= unknown-#length-unknown[p] + 18446744073709551616 * ((p + n + -unknown-#length-unknown[p]) / 18446744073709551616)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 0) || (((((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && p == 0) && ((n <= 1 && 1 <= n) || 2 <= unknown-#length-unknown[p])) && n <= unknown-#length-unknown[p] + (n + -unknown-#length-unknown[p]) / 18446744073709551616 * 18446744073709551616) && p + 1 <= unknown-#length-unknown[p]) && \valid[p] == 1) && !(n <= 18446744073709551616 * (n / 18446744073709551616))) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 0)) || (((((\valid[__builtin_alloca (n * sizeof(char)) := \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))]] == \old(unknown-main_\old_#valid#1-unknown) && p + 1 <= unknown-#length-unknown[p]) && 2 <= p) && \valid[p] == 1) && p + n <= unknown-#length-unknown[p] + 18446744073709551616 * ((p + n + -unknown-#length-unknown[p]) / 18446744073709551616)) && \old(unknown-main_\old_#valid#1-unknown)[__builtin_alloca (n * sizeof(char))] == 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 0.32ms. Allocated memory is still 130.0MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.75ms. Allocated memory is still 161.5MB. Free memory was 124.9MB in the beginning and 120.2MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.67ms. Allocated memory is still 161.5MB. Free memory was 120.2MB in the beginning and 118.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.91ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 117.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.70ms. Allocated memory is still 161.5MB. Free memory was 117.2MB in the beginning and 102.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 67845.49ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 102.5MB in the beginning and 102.7MB in the end (delta: -156.4kB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:30:52,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf --- 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 16:30:55,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:30:55,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:30:55,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:30:55,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:30:55,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:30:55,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:30:55,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:30:55,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:30:55,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:30:55,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:30:55,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:30:55,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:30:55,303 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:30:55,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:30:55,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:30:55,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:30:55,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:30:55,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:30:55,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:30:55,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:30:55,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:30:55,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:30:55,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:30:55,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:30:55,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:30:55,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:30:55,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:30:55,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:30:55,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:30:55,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:30:55,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:30:55,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:30:55,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:30:55,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:30:55,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:30:55,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:30:55,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:30:55,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:30:55,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:30:55,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:30:55,373 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2022-11-20 16:30:55,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:30:55,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:30:55,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:30:55,421 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:30:55,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:30:55,422 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:30:55,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:30:55,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:30:55,423 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 16:30:55,423 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 16:30:55,424 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 16:30:55,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:30:55,425 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:30:55,425 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:30:55,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:30:55,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:30:55,426 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:30:55,427 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:30:55,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:30:55,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:30:55,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:30:55,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:30:55,428 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:30:55,429 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:30:55,429 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:30:55,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:30:55,430 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_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f0d11c5f3d4193dc8b87cb3dbae552e2a558805da02a0660bf5cf3361799dbf [2022-11-20 16:30:55,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:30:55,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:30:55,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:30:55,902 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:30:55,903 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:30:55,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-11-20 16:30:59,097 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:30:59,361 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:30:59,361 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemchr-alloca-1.i [2022-11-20 16:30:59,372 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data/0c326364c/ffbe2985c63043dfa06bd11a4b96fd51/FLAG85b7b6478 [2022-11-20 16:30:59,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/data/0c326364c/ffbe2985c63043dfa06bd11a4b96fd51 [2022-11-20 16:30:59,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:30:59,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:30:59,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:30:59,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:30:59,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:30:59,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:30:59,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b79cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59, skipping insertion in model container [2022-11-20 16:30:59,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:30:59,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:30:59,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:30:59,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:30:59,839 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:30:59,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:30:59,934 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:30:59,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59 WrapperNode [2022-11-20 16:30:59,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:30:59,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:30:59,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:30:59,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:30:59,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:30:59,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,015 INFO L138 Inliner]: procedures = 112, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-11-20 16:31:00,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:31:00,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:31:00,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:31:00,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:31:00,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,070 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:31:00,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:31:00,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:31:00,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:31:00,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:30:59" (1/1) ... [2022-11-20 16:31:00,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:31:00,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:31:00,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:31:00,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:31:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 16:31:00,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:31:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:31:00,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:31:00,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:31:00,344 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:31:00,360 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:31:00,594 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:31:00,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:31:00,638 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:31:00,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:00 BoogieIcfgContainer [2022-11-20 16:31:00,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:31:00,641 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:31:00,641 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:31:00,652 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:31:00,656 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:00" (1/1) ... [2022-11-20 16:31:00,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:31:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:31:00,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-11-20 16:31:00,738 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-11-20 16:31:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:31:00,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:31:00,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:31:00,791 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 16:31:00,796 INFO L158 Benchmark]: Toolchain (without parser) took 1402.17ms. Allocated memory is still 81.8MB. Free memory was 61.3MB in the beginning and 40.1MB in the end (delta: 21.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-11-20 16:31:00,796 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:31:00,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.22ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 45.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:31:00,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.95ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 62.3MB in the end (delta: -17.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-11-20 16:31:00,799 INFO L158 Benchmark]: Boogie Preprocessor took 58.60ms. Allocated memory is still 81.8MB. Free memory was 62.3MB in the beginning and 60.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:31:00,800 INFO L158 Benchmark]: RCFGBuilder took 564.52ms. Allocated memory is still 81.8MB. Free memory was 60.8MB in the beginning and 46.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:31:00,801 INFO L158 Benchmark]: CodeCheck took 152.59ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 40.1MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 16:31:00,810 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 0.53ms. Allocated memory is still 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.22ms. Allocated memory is still 81.8MB. Free memory was 61.1MB in the beginning and 45.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.95ms. Allocated memory is still 81.8MB. Free memory was 44.7MB in the beginning and 62.3MB in the end (delta: -17.5MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.60ms. Allocated memory is still 81.8MB. Free memory was 62.3MB in the beginning and 60.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.52ms. Allocated memory is still 81.8MB. Free memory was 60.8MB in the beginning and 46.5MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 152.59ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 40.1MB in the end (delta: 6.0MB). 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 16:31:00,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc8fd3fd-d215-4ede-99d2-c03bd86d1780/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