./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4 --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 e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:01:18,275 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:01:18,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:01:18,289 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:01:18,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:01:18,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:01:18,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:01:18,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:01:18,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:01:18,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:01:18,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:01:18,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:01:18,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:01:18,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:01:18,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:01:18,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:01:18,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:01:18,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:01:18,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:01:18,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:01:18,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:01:18,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:01:18,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:01:18,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:01:18,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:01:18,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:01:18,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:01:18,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:01:18,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:01:18,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:01:18,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:01:18,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:01:18,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:01:18,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:01:18,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:01:18,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:01:18,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:01:18,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:01:18,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:01:18,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:01:18,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:01:18,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 21:01:18,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:01:18,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:01:18,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:01:18,331 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:01:18,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:01:18,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:01:18,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:01:18,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:01:18,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:01:18,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:01:18,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:01:18,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:01:18,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:01:18,333 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:01:18,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:01:18,333 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:01:18,333 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:01:18,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:01:18,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:01:18,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:01:18,334 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:01:18,334 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:01:18,334 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:01:18,334 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:01:18,335 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:01:18,335 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_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd [2022-12-14 21:01:18,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:01:18,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:01:18,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:01:18,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:01:18,515 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:01:18,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-12-14 21:01:21,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:01:21,269 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:01:21,269 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-12-14 21:01:21,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data/349b5b59c/c44d3d5c5e2e434298fd2c392ba0dc57/FLAGed6528d5d [2022-12-14 21:01:21,289 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data/349b5b59c/c44d3d5c5e2e434298fd2c392ba0dc57 [2022-12-14 21:01:21,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:01:21,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:01:21,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:01:21,295 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:01:21,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:01:21,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f545b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21, skipping insertion in model container [2022-12-14 21:01:21,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:01:21,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:01:21,441 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_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-12-14 21:01:21,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:01:21,471 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:01:21,479 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_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-12-14 21:01:21,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:01:21,502 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:01:21,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21 WrapperNode [2022-12-14 21:01:21,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:01:21,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:01:21,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:01:21,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:01:21,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,530 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-14 21:01:21,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:01:21,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:01:21,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:01:21,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:01:21,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:01:21,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:01:21,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:01:21,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:01:21,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:01:21,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:01:21,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:01:21,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:01:21,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:01:21,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:01:21,662 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:01:21,664 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:01:21,767 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:01:21,779 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:01:21,780 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:01:21,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:01:21 BoogieIcfgContainer [2022-12-14 21:01:21,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:01:21,782 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:01:21,782 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:01:21,790 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:01:21,790 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:01:21" (1/1) ... [2022-12-14 21:01:21,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:01:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:21,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 21:01:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 21:01:21,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:01:21,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:21,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:01:22,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:01:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:01:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:01:22,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 21:01:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 21:01:22,209 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-14 21:01:22,227 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 21:01:22,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:01:22 ImpRootNode [2022-12-14 21:01:22,230 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:01:22,230 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:01:22,230 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:01:22,231 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:01:22,231 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:01:21" (3/4) ... [2022-12-14 21:01:22,234 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 21:01:22,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:01:22,235 INFO L158 Benchmark]: Toolchain (without parser) took 941.56ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 80.2MB in the end (delta: 45.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 21:01:22,235 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:01:22,236 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.98ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 115.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:01:22,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.42ms. Allocated memory is still 163.6MB. Free memory was 115.2MB in the beginning and 113.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:01:22,237 INFO L158 Benchmark]: Boogie Preprocessor took 19.25ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:01:22,237 INFO L158 Benchmark]: RCFGBuilder took 231.02ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 100.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 21:01:22,238 INFO L158 Benchmark]: CodeCheck took 447.49ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 81.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 21:01:22,238 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 163.6MB. Free memory was 81.0MB in the beginning and 80.2MB in the end (delta: 747.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:01:22,241 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: 0.4s, 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 56, overapproximation of bitwiseAnd at line 46. 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_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L29] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L31] const SORT_1 var_4 = 1; [L32] const SORT_7 var_9 = 1; [L33] const SORT_1 var_17 = 0; [L35] SORT_1 input_2; [L36] SORT_1 input_3; [L38] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 init_6_arg_1 = var_4; [L41] state_5 = init_6_arg_1 VAL [init_6_arg_1=1, mask_SORT_1=1, mask_SORT_7=4294967295, msb_SORT_1=1, msb_SORT_7=2147483648, state_5=1, var_17=0, var_4=1, var_9=1] [L44] input_2 = __VERIFIER_nondet_uchar() [L45] input_3 = __VERIFIER_nondet_uchar() [L46] input_3 = input_3 & mask_SORT_1 [L49] SORT_1 var_8_arg_0 = state_5; [L50] var_8_arg_0 = var_8_arg_0 & mask_SORT_1 [L51] SORT_7 var_8 = var_8_arg_0; [L52] SORT_7 var_10_arg_0 = var_8; [L53] SORT_7 var_10_arg_1 = var_9; [L54] SORT_1 var_10 = var_10_arg_0 == var_10_arg_1; [L55] SORT_1 var_13_arg_0 = var_10; [L56] SORT_1 var_13 = ~var_13_arg_0; [L57] SORT_1 var_14_arg_0 = var_4; [L58] SORT_1 var_14_arg_1 = var_13; [L59] SORT_1 var_14 = var_14_arg_0 & var_14_arg_1; [L60] var_14 = var_14 & mask_SORT_1 [L61] SORT_1 bad_15_arg_0 = var_14; [L62] CALL __VERIFIER_assert(!(bad_15_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 0.15ms. Allocated memory is still 163.6MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.98ms. Allocated memory is still 163.6MB. Free memory was 125.6MB in the beginning and 115.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.42ms. Allocated memory is still 163.6MB. Free memory was 115.2MB in the beginning and 113.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.25ms. Allocated memory is still 163.6MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.02ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 100.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 447.49ms. Allocated memory is still 163.6MB. Free memory was 100.5MB in the beginning and 81.0MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 163.6MB. Free memory was 81.0MB in the beginning and 80.2MB in the end (delta: 747.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 21:01:22,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4 --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 e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:01:23,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:01:23,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:01:23,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:01:23,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:01:23,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:01:23,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:01:23,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:01:23,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:01:23,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:01:23,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:01:23,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:01:23,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:01:23,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:01:23,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:01:23,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:01:23,835 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:01:23,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:01:23,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:01:23,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:01:23,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:01:23,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:01:23,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:01:23,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:01:23,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:01:23,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:01:23,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:01:23,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:01:23,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:01:23,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:01:23,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:01:23,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:01:23,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:01:23,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:01:23,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:01:23,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:01:23,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:01:23,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:01:23,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:01:23,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:01:23,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:01:23,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-14 21:01:23,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:01:23,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:01:23,866 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:01:23,866 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:01:23,867 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:01:23,867 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:01:23,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:01:23,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:01:23,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:01:23,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:01:23,868 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:01:23,868 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:01:23,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:01:23,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 21:01:23,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 21:01:23,870 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_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0b80b001f46b9958fd499d9a24ce530dbf6f37e78975cdf0f472d8dbdc342cd [2022-12-14 21:01:24,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:01:24,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:01:24,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:01:24,128 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:01:24,129 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:01:24,130 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-12-14 21:01:26,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:01:26,930 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:01:26,931 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c [2022-12-14 21:01:26,938 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data/807f628d8/ac497b9c58734fc4a64f3707c53d5372/FLAGce9d351ac [2022-12-14 21:01:26,950 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/data/807f628d8/ac497b9c58734fc4a64f3707c53d5372 [2022-12-14 21:01:26,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:01:26,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:01:26,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:01:26,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:01:26,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:01:26,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:01:26" (1/1) ... [2022-12-14 21:01:26,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741d300a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:26, skipping insertion in model container [2022-12-14 21:01:26,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:01:26" (1/1) ... [2022-12-14 21:01:26,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:01:26,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:01:27,077 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_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-12-14 21:01:27,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:01:27,112 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:01:27,120 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_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bug-1.c[1107,1120] [2022-12-14 21:01:27,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:01:27,144 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:01:27,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27 WrapperNode [2022-12-14 21:01:27,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:01:27,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:01:27,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:01:27,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:01:27,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,171 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-14 21:01:27,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:01:27,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:01:27,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:01:27,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:01:27,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:01:27,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:01:27,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:01:27,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:01:27,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:01:27,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:01:27,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:01:27,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:01:27,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:01:27,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:01:27,321 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:01:27,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:01:27,425 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:01:27,447 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:01:27,447 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:01:27,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:01:27 BoogieIcfgContainer [2022-12-14 21:01:27,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:01:27,450 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:01:27,450 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:01:27,460 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:01:27,461 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:01:27" (1/1) ... [2022-12-14 21:01:27,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:01:27,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:01:27,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 21:01:27,518 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 21:01:27,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:01:27,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:01:27,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:01:27,554 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 21:01:27,557 INFO L158 Benchmark]: Toolchain (without parser) took 603.01ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 52.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-12-14 21:01:27,557 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:01:27,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.22ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 47.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:01:27,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.18ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:01:27,558 INFO L158 Benchmark]: Boogie Preprocessor took 20.74ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:01:27,558 INFO L158 Benchmark]: RCFGBuilder took 256.09ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 58.1MB in the end (delta: -13.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-12-14 21:01:27,559 INFO L158 Benchmark]: CodeCheck took 105.31ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 52.0MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 21:01:27,561 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 0.15ms. Allocated memory is still 54.5MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.22ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 47.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.18ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 45.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.74ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 256.09ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 58.1MB in the end (delta: -13.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * CodeCheck took 105.31ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 52.0MB 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. [2022-12-14 21:01:27,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ba1ebbe-84d7-4e2d-960b-7f471f27fb1d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared