./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- 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-b5237d8 [2022-11-21 23:22:06,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:22:06,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:22:06,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:22:06,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:22:06,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:22:06,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:22:06,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:22:06,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:22:06,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:22:06,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:22:06,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:22:06,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:22:06,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:22:06,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:22:06,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:22:06,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:22:06,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:22:06,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:22:06,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:22:06,790 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:22:06,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:22:06,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:22:06,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:22:06,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:22:06,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:22:06,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:22:06,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:22:06,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:22:06,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:22:06,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:22:06,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:22:06,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:22:06,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:22:06,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:22:06,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:22:06,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:22:06,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:22:06,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:22:06,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:22:06,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:22:06,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-21 23:22:06,860 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:22:06,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:22:06,862 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:22:06,862 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:22:06,863 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:22:06,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:22:06,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:22:06,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:22:06,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:22:06,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:22:06,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:22:06,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:22:06,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:22:06,866 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:22:06,866 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:22:06,866 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:22:06,867 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:22:06,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:22:06,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:06,867 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:22:06,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:22:06,868 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:22:06,868 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:22:06,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:22:06,868 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:22:06,869 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_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-21 23:22:07,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:22:07,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:22:07,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:22:07,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:22:07,202 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:22:07,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-21 23:22:10,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:22:10,498 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:22:10,499 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-21 23:22:10,524 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data/854e223a6/ed60cd05674940a89bc198b739f6f828/FLAGc835ace43 [2022-11-21 23:22:10,539 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data/854e223a6/ed60cd05674940a89bc198b739f6f828 [2022-11-21 23:22:10,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:22:10,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:22:10,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:10,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:22:10,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:22:10,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:10" (1/1) ... [2022-11-21 23:22:10,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e3c1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:10, skipping insertion in model container [2022-11-21 23:22:10,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:10" (1/1) ... [2022-11-21 23:22:10,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:22:10,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:22:10,741 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-21 23:22:10,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:10,993 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:22:11,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-21 23:22:11,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:11,104 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:22:11,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11 WrapperNode [2022-11-21 23:22:11,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:11,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:11,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:22:11,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:22:11,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,191 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 509 [2022-11-21 23:22:11,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:11,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:22:11,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:22:11,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:22:11,205 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,260 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:22:11,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:22:11,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:22:11,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:22:11,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:11" (1/1) ... [2022-11-21 23:22:11,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:11,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:22:11,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:22:11,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:22:11,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:22:11,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:22:11,634 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:22:11,636 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:22:27,066 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:22:27,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:22:27,102 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:22:27,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:27 BoogieIcfgContainer [2022-11-21 23:22:27,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:22:27,106 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:22:27,106 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:22:27,116 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:22:27,116 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:27" (1/1) ... [2022-11-21 23:22:27,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:22:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-21 23:22:27,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-21 23:22:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:22:27,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:27,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:22:27,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:22:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:22:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:22:27,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:22:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:22:27,780 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-21 23:22:27,804 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 23:22:27,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:22:27 ImpRootNode [2022-11-21 23:22:27,808 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:22:27,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:22:27,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:22:27,809 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:22:27,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:27" (3/4) ... [2022-11-21 23:22:27,813 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 23:22:27,813 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:22:27,814 INFO L158 Benchmark]: Toolchain (without parser) took 17270.84ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 120.1MB in the beginning and 249.8MB in the end (delta: -129.8MB). Peak memory consumption was 107.5MB. Max. memory is 16.1GB. [2022-11-21 23:22:27,815 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:22:27,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 560.43ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 121.0MB in the end (delta: -1.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 23:22:27,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.01ms. Allocated memory is still 157.3MB. Free memory was 121.0MB in the beginning and 114.4MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:22:27,817 INFO L158 Benchmark]: Boogie Preprocessor took 78.16ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 110.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:22:27,817 INFO L158 Benchmark]: RCFGBuilder took 15833.63ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 110.6MB in the beginning and 284.4MB in the end (delta: -173.8MB). Peak memory consumption was 228.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:27,818 INFO L158 Benchmark]: CodeCheck took 702.24ms. Allocated memory is still 394.3MB. Free memory was 284.4MB in the beginning and 249.8MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 23:22:27,818 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 394.3MB. Free memory was 249.8MB in the beginning and 249.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:22:27,822 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 65, overapproximation of bitwiseOr at line 68, overapproximation of bitwiseAnd at line 75. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L34] const SORT_5 var_9 = 0; [L35] const SORT_1 var_26 = 1; [L36] const SORT_1 var_140 = 0; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_5 input_6; [L41] SORT_3 input_7; [L42] SORT_5 input_8; [L44] SORT_5 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L45] SORT_5 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L47] SORT_5 init_11_arg_1 = var_9; [L48] state_10 = init_11_arg_1 [L49] SORT_5 init_14_arg_1 = var_9; [L50] state_13 = init_14_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_13=0, var_140=0, var_26=1, var_9=0] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_4 = __VERIFIER_nondet_uchar() [L55] input_6 = __VERIFIER_nondet_uchar() [L56] input_7 = __VERIFIER_nondet_uchar() [L57] input_8 = __VERIFIER_nondet_uchar() [L60] SORT_5 var_12_arg_0 = state_10; [L61] SORT_1 var_12 = var_12_arg_0 >> 0; [L62] SORT_5 var_15_arg_0 = state_13; [L63] SORT_1 var_15 = var_15_arg_0 >> 0; [L64] SORT_1 var_16_arg_0 = var_15; [L65] SORT_1 var_16 = ~var_16_arg_0; [L66] SORT_1 var_17_arg_0 = var_12; [L67] SORT_1 var_17_arg_1 = var_16; [L68] SORT_1 var_17 = var_17_arg_0 | var_17_arg_1; [L69] SORT_5 var_18_arg_0 = state_10; [L70] SORT_1 var_18 = var_18_arg_0 >> 1; [L71] SORT_1 var_19_arg_0 = var_18; [L72] SORT_1 var_19 = ~var_19_arg_0; [L73] SORT_1 var_20_arg_0 = var_12; [L74] SORT_1 var_20_arg_1 = var_19; [L75] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L76] SORT_1 var_21_arg_0 = var_20; [L77] SORT_1 var_21 = ~var_21_arg_0; [L78] SORT_1 var_22_arg_0 = var_21; [L79] SORT_1 var_22_arg_1 = var_15; [L80] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L81] SORT_1 var_23_arg_0 = var_17; [L82] SORT_1 var_23_arg_1 = var_22; [L83] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L84] SORT_1 var_27_arg_0 = var_23; [L85] SORT_1 var_27 = ~var_27_arg_0; [L86] SORT_1 var_28_arg_0 = var_26; [L87] SORT_1 var_28_arg_1 = var_27; [L88] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L89] var_28 = var_28 & mask_SORT_1 [L90] SORT_1 bad_29_arg_0 = var_28; [L91] CALL __VERIFIER_assert(!(bad_29_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 560.43ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 121.0MB in the end (delta: -1.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.01ms. Allocated memory is still 157.3MB. Free memory was 121.0MB in the beginning and 114.4MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.16ms. Allocated memory is still 157.3MB. Free memory was 114.4MB in the beginning and 110.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 15833.63ms. Allocated memory was 157.3MB in the beginning and 394.3MB in the end (delta: 237.0MB). Free memory was 110.6MB in the beginning and 284.4MB in the end (delta: -173.8MB). Peak memory consumption was 228.1MB. Max. memory is 16.1GB. * CodeCheck took 702.24ms. Allocated memory is still 394.3MB. Free memory was 284.4MB in the beginning and 249.8MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 394.3MB. Free memory was 249.8MB in the beginning and 249.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-21 23:22:27,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/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_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- 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-b5237d8 [2022-11-21 23:22:30,346 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:22:30,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:22:30,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:22:30,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:22:30,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:22:30,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:22:30,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:22:30,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:22:30,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:22:30,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:22:30,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:22:30,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:22:30,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:22:30,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:22:30,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:22:30,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:22:30,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:22:30,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:22:30,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:22:30,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:22:30,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:22:30,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:22:30,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:22:30,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:22:30,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:22:30,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:22:30,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:22:30,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:22:30,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:22:30,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:22:30,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:22:30,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:22:30,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:22:30,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:22:30,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:22:30,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:22:30,466 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:22:30,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:22:30,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:22:30,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:22:30,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-21 23:22:30,508 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:22:30,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:22:30,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:22:30,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:22:30,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:22:30,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:22:30,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:22:30,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:22:30,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:22:30,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:22:30,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:22:30,515 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:22:30,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:22:30,515 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:22:30,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:22:30,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:22:30,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:22:30,516 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:22:30,517 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:22:30,517 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:22:30,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:30,518 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:22:30,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:22:30,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:22:30,519 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:22:30,519 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:22:30,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:22:30,520 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:22:30,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:22:30,520 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_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-21 23:22:30,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:22:30,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:22:30,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:22:30,994 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:22:30,994 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:22:30,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-21 23:22:34,024 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:22:34,376 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:22:34,376 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-21 23:22:34,391 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data/00924722a/1ada6657315645ae9544897a37d6cbaf/FLAGe5398d51b [2022-11-21 23:22:34,411 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/data/00924722a/1ada6657315645ae9544897a37d6cbaf [2022-11-21 23:22:34,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:22:34,414 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:22:34,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:34,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:22:34,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:22:34,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:34,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@647e5e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34, skipping insertion in model container [2022-11-21 23:22:34,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:34,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:22:34,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:22:34,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-21 23:22:34,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:34,795 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:22:34,806 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-21 23:22:34,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:34,898 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:22:34,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34 WrapperNode [2022-11-21 23:22:34,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:34,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:34,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:22:34,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:22:34,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:34,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:34,995 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 509 [2022-11-21 23:22:34,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:34,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:22:34,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:22:34,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:22:35,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,058 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:22:35,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:22:35,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:22:35,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:22:35,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:34" (1/1) ... [2022-11-21 23:22:35,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:35,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:22:35,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:22:35,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:22:35,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:22:35,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:22:35,356 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:22:35,358 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:22:36,048 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:22:36,086 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:22:36,086 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:22:36,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:36 BoogieIcfgContainer [2022-11-21 23:22:36,089 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:22:36,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:22:36,090 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:22:36,100 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:22:36,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:36" (1/1) ... [2022-11-21 23:22:36,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:22:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-21 23:22:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-21 23:22:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:22:36,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:36,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:36,220 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) [2022-11-21 23:22:36,223 INFO L158 Benchmark]: Toolchain (without parser) took 1808.27ms. Allocated memory is still 94.4MB. Free memory was 73.0MB in the beginning and 53.2MB in the end (delta: 19.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-21 23:22:36,224 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:22:36,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.38ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 50.5MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:22:36,225 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.58ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 72.4MB in the end (delta: -21.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2022-11-21 23:22:36,226 INFO L158 Benchmark]: Boogie Preprocessor took 70.07ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 69.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:22:36,226 INFO L158 Benchmark]: RCFGBuilder took 1022.11ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 59.5MB in the end (delta: 9.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2022-11-21 23:22:36,227 INFO L158 Benchmark]: CodeCheck took 132.70ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 53.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:22:36,230 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 0.27ms. Allocated memory is still 67.1MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.38ms. Allocated memory is still 94.4MB. Free memory was 72.8MB in the beginning and 50.5MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.58ms. Allocated memory is still 94.4MB. Free memory was 50.5MB in the beginning and 72.4MB in the end (delta: -21.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.07ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 69.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1022.11ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 59.5MB in the end (delta: 9.7MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * CodeCheck took 132.70ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 53.2MB 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. [2022-11-21 23:22:36,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3d2395b-cadd-458a-9bb6-729964515418/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared