./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:03,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:03,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:28:03,453 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:03,454 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:03,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:03,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:03,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:03,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:03,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:03,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:03,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:03,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:03,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:03,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:03,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:03,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:03,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:03,491 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:03,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:03,492 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:03,493 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:03,493 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:03,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:03,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:03,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:03,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:03,496 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:03,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:03,497 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:03,498 INFO L153 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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 [2023-11-21 18:28:03,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:03,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:03,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:03,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:03,882 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:03,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-21 18:28:06,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:07,343 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:07,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-21 18:28:07,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data/4f3d0a660/76bcfd9107fe44cca9b2735d04c34f26/FLAG21bcafa72 [2023-11-21 18:28:07,378 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data/4f3d0a660/76bcfd9107fe44cca9b2735d04c34f26 [2023-11-21 18:28:07,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:07,389 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:07,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:07,394 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:07,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:07,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa30bfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07, skipping insertion in model container [2023-11-21 18:28:07,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,437 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:07,639 WARN L240 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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-21 18:28:07,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:07,704 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:07,716 WARN L240 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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-21 18:28:07,735 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:07,751 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:07,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07 WrapperNode [2023-11-21 18:28:07,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:07,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:07,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:07,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:07,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,808 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 135 [2023-11-21 18:28:07,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:07,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:07,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:07,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:07,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,843 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:07,853 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:07,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:07,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:07,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:07" (1/1) ... [2023-11-21 18:28:07,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:07,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:07,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:07,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:08,034 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:08,036 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:08,384 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:08,689 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:08,690 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:28:08,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:08 BoogieIcfgContainer [2023-11-21 18:28:08,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:08,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:08,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:08,704 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:08,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:08" (1/1) ... [2023-11-21 18:28:08,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:28:08,805 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:28:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:28:08,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:08,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:28:09,179 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:28:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:28:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:28:09,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:28:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:28:09,574 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:28:09,607 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:28:09,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:28:09 ImpRootNode [2023-11-21 18:28:09,615 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:28:09,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:28:09,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:28:09,620 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:28:09,621 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:08" (3/4) ... [2023-11-21 18:28:09,624 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:28:09,625 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:28:09,627 INFO L158 Benchmark]: Toolchain (without parser) took 2236.94ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 115.5MB in the beginning and 148.0MB in the end (delta: -32.4MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-21 18:28:09,628 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory was 122.2MB in the beginning and 122.0MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:09,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.17ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 103.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:28:09,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.10ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 100.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:09,631 INFO L158 Benchmark]: Boogie Preprocessor took 43.51ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:09,634 INFO L158 Benchmark]: RCFGBuilder took 839.02ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 58.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 18:28:09,635 INFO L158 Benchmark]: CodeCheck took 922.54ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 57.9MB in the beginning and 148.0MB in the end (delta: -90.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:09,636 INFO L158 Benchmark]: Witness Printer took 6.39ms. Allocated memory is still 213.9MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:09,645 INFO L338 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: 0.8s, 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, 0.1s 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: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 71, overapproximation of bitwiseAnd at line 58. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 20); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (20 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_4 var_5 = 100; [L36] const SORT_8 var_10 = 100; [L37] const SORT_8 var_13 = 200; [L38] const SORT_1 var_18 = 1; [L39] const SORT_4 var_22 = 200; [L41] SORT_1 input_2; [L42] SORT_1 input_3; [L44] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L44] SORT_4 state_6 = __VERIFIER_nondet_uint() & mask_SORT_4; [L45] EXPR __VERIFIER_nondet_uint() & mask_SORT_4 [L45] SORT_4 state_23 = __VERIFIER_nondet_uint() & mask_SORT_4; [L47] SORT_4 init_7_arg_1 = var_5; [L48] state_6 = init_7_arg_1 [L49] SORT_4 init_24_arg_1 = var_22; [L50] state_23 = init_24_arg_1 VAL [init_24_arg_1=200, init_7_arg_1=100, mask_SORT_1=1, mask_SORT_4=1048575, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=524288, msb_SORT_8=2147483648, state_23=200, state_6=100, var_10=100, var_13=200, var_18=1, var_22=200, var_5=100] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_3 = __VERIFIER_nondet_uchar() [L57] SORT_4 var_9_arg_0 = state_6; [L58] EXPR var_9_arg_0 & mask_SORT_4 [L58] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 [L59] SORT_8 var_9 = var_9_arg_0; [L60] SORT_8 var_11_arg_0 = var_9; [L61] SORT_8 var_11_arg_1 = var_10; [L62] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L63] SORT_4 var_12_arg_0 = state_6; [L64] EXPR var_12_arg_0 & mask_SORT_4 [L64] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 [L65] SORT_8 var_12 = var_12_arg_0; [L66] SORT_8 var_14_arg_0 = var_12; [L67] SORT_8 var_14_arg_1 = var_13; [L68] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L69] SORT_1 var_15_arg_0 = var_11; [L70] SORT_1 var_15_arg_1 = var_14; [L71] EXPR var_15_arg_0 | var_15_arg_1 [L71] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L72] SORT_1 var_19_arg_0 = var_15; [L73] SORT_1 var_19 = ~var_19_arg_0; [L74] SORT_1 var_20_arg_0 = var_18; [L75] SORT_1 var_20_arg_1 = var_19; [L76] EXPR var_20_arg_0 & var_20_arg_1 [L76] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L77] EXPR var_20 & mask_SORT_1 [L77] var_20 = var_20 & mask_SORT_1 [L78] SORT_1 bad_21_arg_0 = var_20; [L79] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory was 122.2MB in the beginning and 122.0MB in the end (delta: 159.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.17ms. Allocated memory is still 151.0MB. Free memory was 115.5MB in the beginning and 103.5MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.10ms. Allocated memory is still 151.0MB. Free memory was 103.5MB in the beginning and 100.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.51ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 99.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 839.02ms. Allocated memory is still 151.0MB. Free memory was 99.3MB in the beginning and 58.4MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 922.54ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 57.9MB in the beginning and 148.0MB in the end (delta: -90.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.39ms. Allocated memory is still 213.9MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:28:09,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --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 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:12,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:12,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:28:12,490 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:12,491 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:12,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:12,493 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:12,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:12,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:12,500 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:12,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:12,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:12,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:12,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:12,504 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:28:12,504 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:28:12,504 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:28:12,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:12,505 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:12,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:12,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:12,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:12,508 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:12,508 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:28:12,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:12,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:12,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:12,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:12,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:12,511 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:28:12,512 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:12,512 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:12,512 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:28:12,513 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:28:12,513 INFO L153 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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d80a08c66b9b1eadaab4dbad5179d13f0d2ba2cc2da58b84f0d125081ac09c4 [2023-11-21 18:28:12,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:12,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:12,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:12,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:12,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:12,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-21 18:28:16,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:16,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:16,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c [2023-11-21 18:28:16,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data/9f22b24e0/9adb48b8116047eb8f737647f06284c0/FLAG28bcfd06d [2023-11-21 18:28:16,403 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/data/9f22b24e0/9adb48b8116047eb8f737647f06284c0 [2023-11-21 18:28:16,406 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:16,407 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:16,409 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:16,409 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:16,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:16,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,417 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8ce101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16, skipping insertion in model container [2023-11-21 18:28:16,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,442 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:16,640 WARN L240 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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-21 18:28:16,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:16,691 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:16,704 WARN L240 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_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.swap_two.c[1248,1261] [2023-11-21 18:28:16,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:16,750 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:16,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16 WrapperNode [2023-11-21 18:28:16,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:16,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:16,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:16,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:16,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,799 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2023-11-21 18:28:16,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:16,801 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:16,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:16,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:16,841 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:16,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:16,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:16,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:16,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:16" (1/1) ... [2023-11-21 18:28:16,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:16,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:16,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:16,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:16,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:28:16,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:16,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:17,085 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:17,088 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:17,357 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:17,428 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:17,429 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:28:17,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:17 BoogieIcfgContainer [2023-11-21 18:28:17,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:17,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:17,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:17,447 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:17,447 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:17" (1/1) ... [2023-11-21 18:28:17,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:17,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:17,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:28:17,571 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:28:17,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:28:17,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:17,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:17,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:28:17,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:28:17,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:28:17,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:17,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:28:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:17,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:28:17,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:18,327 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:28:18,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:28:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:18,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-21 18:28:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-21 18:28:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:28:18,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:18,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:18,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:28:18,445 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:28:18,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:28:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,577 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:28:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:18,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:28:18,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:18,925 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:28:18,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:28:19,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:19,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-21 18:28:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-21 18:28:19,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:28:19,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:19,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:19,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:28:19,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:28:19,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:28:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:19,842 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:28:19,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:19,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 18:28:19,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:20,207 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:28:20,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:28:21,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:21,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-11-21 18:28:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-11-21 18:28:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:21,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:21,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:21,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:28:21,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:28:21,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:28:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:28:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:21,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 18:28:21,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:21,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:28:21,883 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:28:21,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-21 18:28:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2023-11-21 18:28:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2023-11-21 18:28:22,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:28:22,326 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-21 18:28:22,335 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-21 18:28:22,463 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-21 18:28:22,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:28:22 ImpRootNode [2023-11-21 18:28:22,470 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:28:22,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:28:22,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:28:22,471 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:28:22,472 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:17" (3/4) ... [2023-11-21 18:28:22,474 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:28:22,482 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-21 18:28:22,482 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 18:28:22,483 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:28:22,483 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:28:22,593 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:28:22,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:28:22,594 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:28:22,595 INFO L158 Benchmark]: Toolchain (without parser) took 6187.57ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 49.7MB in the beginning and 65.8MB in the end (delta: -16.1MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-21 18:28:22,596 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:22,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.11ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 37.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:28:22,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.36ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 35.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:22,598 INFO L158 Benchmark]: Boogie Preprocessor took 62.52ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 52.2MB in the end (delta: -16.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:22,598 INFO L158 Benchmark]: RCFGBuilder took 566.88ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 38.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:28:22,599 INFO L158 Benchmark]: CodeCheck took 5037.49ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 38.4MB in the beginning and 70.0MB in the end (delta: -31.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:22,599 INFO L158 Benchmark]: Witness Printer took 123.64ms. Allocated memory is still 119.5MB. Free memory was 70.0MB in the beginning and 65.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:22,601 INFO L338 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: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 4 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 325 GetRequests, 269 SyntacticMatches, 10 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 99 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 4/24 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((((((1 == mask_SORT_1) && (200 == var_13)) && (100 == var_10)) && (100 == state_6)) && (1048575 == mask_SORT_4)) && (200 == state_23)) || ((((((1 == mask_SORT_1) && (200 == state_6)) && (200 == var_13)) && (100 == var_10)) && (1048575 == mask_SORT_4)) && (100 == state_23))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.11ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 37.6MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.36ms. Allocated memory is still 73.4MB. Free memory was 37.6MB in the beginning and 35.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.52ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 52.2MB in the end (delta: -16.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 566.88ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 38.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 5037.49ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 38.4MB in the beginning and 70.0MB in the end (delta: -31.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Witness Printer took 123.64ms. Allocated memory is still 119.5MB. Free memory was 70.0MB in the beginning and 65.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:28:22,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8f81d8-ae33-4d2f-b4b5-d5cdeb686e9a/bin/ukojak-verify-i0I2FZA1j2/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: TRUE