./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk --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 46c8c70b94fb416b397f60e2acbf82f6629dd4cb8ce2ac8f593f21f2a4fca4f4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:30:12,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:30:12,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 23:30:12,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:30:12,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:30:12,602 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:30:12,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:30:12,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:30:12,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:30:12,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:30:12,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:30:12,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:30:12,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:30:12,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:30:12,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:30:12,607 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:30:12,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:30:12,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:30:12,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:30:12,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:30:12,615 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:30:12,616 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:30:12,616 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:30:12,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:30:12,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:30:12,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:30:12,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:30:12,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:30:12,618 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:30:12,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:30:12,618 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46c8c70b94fb416b397f60e2acbf82f6629dd4cb8ce2ac8f593f21f2a4fca4f4 [2024-11-08 23:30:12,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:30:12,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:30:12,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:30:12,934 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:30:12,935 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:30:12,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c Unable to find full path for "g++" [2024-11-08 23:30:14,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:30:15,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:30:15,244 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2024-11-08 23:30:15,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data/42cd83962/4d89b3bd2cce4dddb6c66c5b765f7941/FLAG74adc624a [2024-11-08 23:30:15,568 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data/42cd83962/4d89b3bd2cce4dddb6c66c5b765f7941 [2024-11-08 23:30:15,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:30:15,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:30:15,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:30:15,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:30:15,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:30:15,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:30:15" (1/1) ... [2024-11-08 23:30:15,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2faa3389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:15, skipping insertion in model container [2024-11-08 23:30:15,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:30:15" (1/1) ... [2024-11-08 23:30:15,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:30:15,820 WARN L250 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1266,1279] [2024-11-08 23:30:15,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:30:15,967 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:30:15,980 WARN L250 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1266,1279] [2024-11-08 23:30:16,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:30:16,077 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:30:16,081 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16 WrapperNode [2024-11-08 23:30:16,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:30:16,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:30:16,083 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:30:16,083 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:30:16,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,120 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,224 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 721 [2024-11-08 23:30:16,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:30:16,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:30:16,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:30:16,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:30:16,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,320 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,341 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:30:16,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:30:16,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:30:16,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:30:16,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:30:16" (1/1) ... [2024-11-08 23:30:16,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:30:16,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:30:16,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:30:16,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:30:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:30:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:30:16,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:30:16,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:30:16,598 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:30:16,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:30:17,740 INFO L? ?]: Removed 373 outVars from TransFormulas that were not future-live. [2024-11-08 23:30:17,741 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:30:18,488 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:30:18,488 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:30:18,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:30:18 BoogieIcfgContainer [2024-11-08 23:30:18,488 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:30:18,489 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:30:18,489 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:30:18,499 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:30:18,500 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:30:18" (1/1) ... [2024-11-08 23:30:18,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:30:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:30:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:30:18,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:30:18,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:18,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:30:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:20,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 23:30:20,867 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 23:30:20,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:30:20,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:20,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:25,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:30:30,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:30:32,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:30:33,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:33,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 23:30:33,249 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 23:30:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:30:33,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:30:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:30:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:30:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2024-11-08 23:30:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2024-11-08 23:30:46,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:30:46,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:30:46,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:30:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:01,895 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:04,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:04,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 36 transitions. [2024-11-08 23:31:04,311 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 36 transitions. [2024-11-08 23:31:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:31:04,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:04,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:36,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-08 23:31:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2024-11-08 23:31:36,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:31:36,150 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-08 23:31:36,161 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:31:36,253 INFO L77 FloydHoareUtils]: At program point L115-2(lines 115 397) the Hoare annotation is: (and (= |ULTIMATE.start_main_~state_43~0#1| 0) (= |ULTIMATE.start_main_~state_64~0#1| 0) (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_28~0#1| 0) (= |ULTIMATE.start_main_~state_62~0#1| 0) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_58~0#1| 0) (= |ULTIMATE.start_main_~state_41~0#1| 0) (= |ULTIMATE.start_main_~state_60~0#1| 0) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0) (= |ULTIMATE.start_main_~state_72~0#1| 0)) [2024-11-08 23:31:36,254 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~state_43~0#1| 0) (= |ULTIMATE.start_main_~state_64~0#1| 0) (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_28~0#1| 0) (= |ULTIMATE.start_main_~state_62~0#1| 0) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_58~0#1| 0) (= |ULTIMATE.start_main_~state_41~0#1| 0) (= |ULTIMATE.start_main_~state_60~0#1| 0) (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0) (= |ULTIMATE.start_main_~state_72~0#1| 0)) [2024-11-08 23:31:36,256 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-08 23:31:36,257 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= |ULTIMATE.start_main_~state_43~0#1| 0) (= |ULTIMATE.start_main_~state_64~0#1| 0) (= |ULTIMATE.start_main_~var_12~0#1| 1) (= |ULTIMATE.start_main_~state_28~0#1| 0) (= |ULTIMATE.start_main_~state_62~0#1| 0) (= |ULTIMATE.start_main_~state_8~0#1| 0) (= |ULTIMATE.start_main_~state_58~0#1| 0) (= |ULTIMATE.start_main_~state_41~0#1| 0) (= |ULTIMATE.start_main_~state_60~0#1| 0) (= |ULTIMATE.start_main_~state_15~0#1| 0) (= |ULTIMATE.start_main_~var_22~0#1| 1) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_7~0#1| 0) (= |ULTIMATE.start_main_~state_72~0#1| 0)) [2024-11-08 23:31:36,257 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 23:31:36,257 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:31:36,257 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-08 23:31:36,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:31:36 ImpRootNode [2024-11-08 23:31:36,279 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:31:36,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:31:36,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:31:36,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:31:36,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:30:18" (3/4) ... [2024-11-08 23:31:36,285 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:31:36,310 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 135 nodes and edges [2024-11-08 23:31:36,311 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 23:31:36,313 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 23:31:36,314 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:31:36,394 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-08 23:31:36,397 INFO L158 Benchmark]: Toolchain (without parser) took 80825.29ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 104.8MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 738.4MB. Max. memory is 16.1GB. [2024-11-08 23:31:36,398 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:36,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.29ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 81.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:36,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.73ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 67.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:31:36,399 INFO L158 Benchmark]: Boogie Preprocessor took 131.06ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 61.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:31:36,399 INFO L158 Benchmark]: RCFGBuilder took 2131.76ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 61.7MB in the beginning and 76.3MB in the end (delta: -14.6MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-11-08 23:31:36,400 INFO L158 Benchmark]: CodeCheck took 77790.57ms. Allocated memory was 182.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 76.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 661.4MB. Max. memory is 16.1GB. [2024-11-08 23:31:36,400 INFO L158 Benchmark]: Witness Printer took 116.16ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 23:31:36,402 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: 77.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 40.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 39.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 466 IncrementalHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 5 mSDtfsCounter, 466 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 532 GetRequests, 405 SyntacticMatches, 9 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6256 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 9.1s SatisfiabilityAnalysisTime, 44.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 1592 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/50 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: 115]: Loop Invariant Derived loop invariant: ((((((((((((((state_43 == 0) && (state_64 == 0)) && (var_12 == 1)) && (state_28 == 0)) && (state_62 == 0)) && (state_8 == 0)) && (state_58 == 0)) && (state_41 == 0)) && (state_60 == 0)) && (state_15 == 0)) && (var_22 == 1)) && (mask_SORT_1 == 1)) && (var_7 == 0)) && (state_72 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.29ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 81.6MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.73ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 67.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.06ms. Allocated memory is still 142.6MB. Free memory was 67.5MB in the beginning and 61.7MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2131.76ms. Allocated memory was 142.6MB in the beginning and 182.5MB in the end (delta: 39.8MB). Free memory was 61.7MB in the beginning and 76.3MB in the end (delta: -14.6MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * CodeCheck took 77790.57ms. Allocated memory was 182.5MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 76.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 661.4MB. Max. memory is 16.1GB. * Witness Printer took 116.16ms. Allocated memory is still 1.9GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:31:36,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk --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 46c8c70b94fb416b397f60e2acbf82f6629dd4cb8ce2ac8f593f21f2a4fca4f4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:31:38,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:31:38,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 23:31:38,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:31:38,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:31:38,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:31:38,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:31:38,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:31:38,986 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:31:38,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:31:38,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:31:38,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:31:38,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:31:38,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:31:38,988 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:31:38,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:31:38,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:31:38,989 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:31:38,990 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:31:38,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:31:38,994 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:31:38,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:31:38,998 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:31:38,998 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:38,999 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:31:38,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:31:38,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:38,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:31:39,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:31:39,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:31:39,000 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:31:39,000 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:39,001 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:31:39,001 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46c8c70b94fb416b397f60e2acbf82f6629dd4cb8ce2ac8f593f21f2a4fca4f4 [2024-11-08 23:31:39,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:31:39,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:31:39,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:31:39,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:31:39,420 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:31:39,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c Unable to find full path for "g++" [2024-11-08 23:31:41,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:31:41,853 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:31:41,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c [2024-11-08 23:31:41,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data/ceaf2122a/05571ccc004b481c8478093c60c51e61/FLAG52d57cb9f [2024-11-08 23:31:42,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/data/ceaf2122a/05571ccc004b481c8478093c60c51e61 [2024-11-08 23:31:42,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:31:42,107 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:31:42,108 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:42,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:31:42,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:31:42,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,114 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef3c0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42, skipping insertion in model container [2024-11-08 23:31:42,114 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:31:42,397 WARN L250 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1266,1279] [2024-11-08 23:31:42,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:42,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:31:42,600 WARN L250 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_d279a502-a8f7-42cf-ba23-75432e9ff36c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_itc99_b13_p19.c[1266,1279] [2024-11-08 23:31:42,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:42,780 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:31:42,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42 WrapperNode [2024-11-08 23:31:42,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:42,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:42,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:31:42,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:31:42,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,866 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 457 [2024-11-08 23:31:42,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:42,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:31:42,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:31:42,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:31:42,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,912 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:31:42,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:31:42,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:31:42,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:31:42,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:31:42,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:31:42,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:31:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:31:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:31:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:31:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:31:43,208 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:31:43,210 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:31:43,622 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-08 23:31:43,623 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:31:43,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:31:43,685 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:31:43,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:43 BoogieIcfgContainer [2024-11-08 23:31:43,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:31:43,686 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:31:43,687 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:31:43,697 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:31:43,697 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:31:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 23:31:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 23:31:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:31:43,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:43,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:43,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:31:43,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:31:43,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:31:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:44,048 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:31:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:44,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:31:44,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:31:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:31:44,425 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:31:44,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:31:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 23:31:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 23:31:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:31:44,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:44,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:44,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:31:44,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:31:44,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:31:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:44,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:31:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:31:44,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:31:44,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:31:45,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:31:45,197 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:31:45,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:31:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2024-11-08 23:31:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2024-11-08 23:31:45,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:31:45,404 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2024-11-08 23:31:45,415 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:31:45,446 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2024-11-08 23:31:45,446 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: (and (= (_ bv0 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) [2024-11-08 23:31:45,447 INFO L75 FloydHoareUtils]: For program point L21-1(line 21) no Hoare annotation was computed. [2024-11-08 23:31:45,447 INFO L77 FloydHoareUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (= (_ bv0 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) [2024-11-08 23:31:45,447 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:31:45,447 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) no Hoare annotation was computed. [2024-11-08 23:31:45,448 INFO L77 FloydHoareUtils]: At program point L115-2(lines 115 397) the Hoare annotation is: (and (= (_ bv0 8) |ULTIMATE.start_main_~state_8~0#1|) (= (_ bv1 32) |ULTIMATE.start_main_~var_12~0#1|) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) [2024-11-08 23:31:45,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:31:45 ImpRootNode [2024-11-08 23:31:45,460 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:31:45,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:31:45,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:31:45,463 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:31:45,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:43" (3/4) ... [2024-11-08 23:31:45,466 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:31:45,483 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 23:31:45,484 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 23:31:45,499 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:31:45,501 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:31:45,560 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:61) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:156) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.lambda$2(GraphMLCorrectnessWitnessGenerator.java:91) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GraphMLCorrectnessWitnessGenerator.makeGraphMLString(GraphMLCorrectnessWitnessGenerator.java:111) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:168) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:143) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:130) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-08 23:31:45,567 INFO L158 Benchmark]: Toolchain (without parser) took 3460.11ms. Allocated memory was 73.4MB in the beginning and 121.6MB in the end (delta: 48.2MB). Free memory was 48.1MB in the beginning and 90.5MB in the end (delta: -42.3MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,568 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:45,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.87ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 46.6MB in the end (delta: 1.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.94ms. Allocated memory is still 73.4MB. Free memory was 46.6MB in the beginning and 42.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,569 INFO L158 Benchmark]: Boogie Preprocessor took 64.62ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 40.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,569 INFO L158 Benchmark]: RCFGBuilder took 752.90ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 40.1MB in the beginning and 71.4MB in the end (delta: -31.3MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,570 INFO L158 Benchmark]: CodeCheck took 1773.69ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 35.4MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,570 INFO L158 Benchmark]: Witness Printer took 105.83ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 90.5MB in the end (delta: -55.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,572 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: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 73 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 8 NumberOfNonLiveVariables, 151 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1/2 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: 115]: Loop Invariant Derived loop invariant: (((0 == state_8) && (1 == var_12)) && (1 == mask_SORT_1)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 88.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.87ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 46.6MB in the end (delta: 1.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.94ms. Allocated memory is still 73.4MB. Free memory was 46.6MB in the beginning and 42.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.62ms. Allocated memory is still 73.4MB. Free memory was 42.8MB in the beginning and 40.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 752.90ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 40.1MB in the beginning and 71.4MB in the end (delta: -31.3MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * CodeCheck took 1773.69ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 35.4MB in the end (delta: 36.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 105.83ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 35.4MB in the beginning and 90.5MB in the end (delta: -55.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:80) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:31:45,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d279a502-a8f7-42cf-ba23-75432e9ff36c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null