./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b --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 7520cfa04676a157cc3b0d71c42a9ed73acdf0d120a939e33f1a3e61a093ef11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:25:41,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:25:41,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 04:25:41,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:25:41,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:25:41,745 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:25:41,746 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:25:41,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:25:41,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:25:41,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:25:41,746 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:25:41,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:25:41,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:25:41,747 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:25:41,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:25:41,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:25:41,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:25:41,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:25:41,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:25:41,748 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:25:41,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:25:41,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b 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 -> 7520cfa04676a157cc3b0d71c42a9ed73acdf0d120a939e33f1a3e61a093ef11 [2024-12-06 04:25:41,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:25:41,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:25:41,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:25:41,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:25:41,992 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:25:41,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c [2024-12-06 04:25:44,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/9d1f2c9fb/8d1acc0911e84f08ab7905c80a54276f/FLAG79df1df17 [2024-12-06 04:25:44,814 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:25:44,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c [2024-12-06 04:25:44,822 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/9d1f2c9fb/8d1acc0911e84f08ab7905c80a54276f/FLAG79df1df17 [2024-12-06 04:25:45,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/9d1f2c9fb/8d1acc0911e84f08ab7905c80a54276f [2024-12-06 04:25:45,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:25:45,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:25:45,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:25:45,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:25:45,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:25:45,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be55c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45, skipping insertion in model container [2024-12-06 04:25:45,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:25:45,310 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_26952317-286c-49d4-9750-4bd517bf67b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c[1256,1269] [2024-12-06 04:25:45,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:25:45,337 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:25:45,345 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_26952317-286c-49d4-9750-4bd517bf67b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c[1256,1269] [2024-12-06 04:25:45,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:25:45,364 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:25:45,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45 WrapperNode [2024-12-06 04:25:45,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:25:45,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:25:45,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:25:45,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:25:45,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,392 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2024-12-06 04:25:45,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:25:45,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:25:45,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:25:45,393 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:25:45,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,403 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,406 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:25:45,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:25:45,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:25:45,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:25:45,416 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:25:45,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:25:45,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:25:45,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:25:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:25:45,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:25:45,519 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:25:45,521 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:25:45,668 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:25:45,668 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:25:45,739 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:25:45,740 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:25:45,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:25:45 BoogieIcfgContainer [2024-12-06 04:25:45,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:25:45,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:25:45,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:25:45,749 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:25:45,749 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:25:45" (1/1) ... [2024-12-06 04:25:45,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:25:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:45,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:25:45,793 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:25:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:25:45,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:45,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:25:46,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 04:25:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 04:25:46,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:25:46,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:25:46,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:46,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 04:25:46,768 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 04:25:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:25:46,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:46,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:25:48,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:48,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 04:25:48,359 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 04:25:48,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:25:48,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:48,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:25:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2024-12-06 04:25:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2024-12-06 04:25:50,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:25:50,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:50,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:51,851 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:25:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 33 states and 77 transitions. [2024-12-06 04:25:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 77 transitions. [2024-12-06 04:25:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:25:54,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:54,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:25:57,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:25:57,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 37 states and 93 transitions. [2024-12-06 04:25:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 93 transitions. [2024-12-06 04:25:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:25:57,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:25:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:25:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:25:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:02,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 44 states and 129 transitions. [2024-12-06 04:26:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 129 transitions. [2024-12-06 04:26:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:26:02,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:02,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:05,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 48 states and 142 transitions. [2024-12-06 04:26:05,792 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 142 transitions. [2024-12-06 04:26:05,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:26:05,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:11,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 53 states and 159 transitions. [2024-12-06 04:26:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 159 transitions. [2024-12-06 04:26:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:26:11,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:13,065 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:15,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 57 states and 176 transitions. [2024-12-06 04:26:15,513 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 176 transitions. [2024-12-06 04:26:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:26:15,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:15,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:17,518 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:21,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 63 states and 208 transitions. [2024-12-06 04:26:21,030 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 208 transitions. [2024-12-06 04:26:21,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:26:21,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:21,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:28,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 70 states and 239 transitions. [2024-12-06 04:26:28,337 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 239 transitions. [2024-12-06 04:26:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:26:28,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:35,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 77 states and 272 transitions. [2024-12-06 04:26:35,965 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 272 transitions. [2024-12-06 04:26:35,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:26:35,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:35,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:36,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:38,931 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 85 states and 309 transitions. [2024-12-06 04:26:45,611 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 309 transitions. [2024-12-06 04:26:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:26:45,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:45,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:26:49,457 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:26:57,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:26:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 93 states and 367 transitions. [2024-12-06 04:26:57,317 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 367 transitions. [2024-12-06 04:26:57,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:26:57,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:26:57,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:26:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:09,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:09,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 99 states and 402 transitions. [2024-12-06 04:27:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 402 transitions. [2024-12-06 04:27:09,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:27:09,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:09,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:27:09,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:25,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:25,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 107 states and 470 transitions. [2024-12-06 04:27:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 470 transitions. [2024-12-06 04:27:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 04:27:25,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:25,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:27:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:27:25,391 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:27:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:27:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:27:35,632 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) 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) [2024-12-06 04:27:35,637 INFO L158 Benchmark]: Toolchain (without parser) took 110448.54ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 998.2MB). Free memory was 92.3MB in the beginning and 909.5MB in the end (delta: -817.2MB). Peak memory consumption was 181.1MB. Max. memory is 16.1GB. [2024-12-06 04:27:35,638 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:27:35,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.77ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:27:35,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.03ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:27:35,639 INFO L158 Benchmark]: Boogie Preprocessor took 20.76ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 960.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:27:35,639 INFO L158 Benchmark]: RCFGBuilder took 325.61ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 60.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:27:35,640 INFO L158 Benchmark]: CodeCheck took 109895.12ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 998.2MB). Free memory was 60.4MB in the beginning and 909.5MB in the end (delta: -849.1MB). Peak memory consumption was 147.6MB. Max. memory is 16.1GB. [2024-12-06 04:27:35,642 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.77ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 81.0MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.03ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.76ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.4MB in the end (delta: 960.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 325.61ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 60.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 109895.12ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 998.2MB). Free memory was 60.4MB in the beginning and 909.5MB in the end (delta: -849.1MB). Peak memory consumption was 147.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 04:27:35,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b --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 7520cfa04676a157cc3b0d71c42a9ed73acdf0d120a939e33f1a3e61a093ef11 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:27:37,584 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:27:37,667 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 04:27:37,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:27:37,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:27:37,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:27:37,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:27:37,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:27:37,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:27:37,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:27:37,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:27:37,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:27:37,696 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:27:37,696 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:27:37,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:27:37,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:27:37,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b 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 -> 7520cfa04676a157cc3b0d71c42a9ed73acdf0d120a939e33f1a3e61a093ef11 [2024-12-06 04:27:37,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:27:37,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:27:37,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:27:37,951 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:27:37,952 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:27:37,953 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c [2024-12-06 04:27:40,649 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/3ce5f0bc6/d914153bc4064e5a910ce299106df4bb/FLAGfaee90e47 [2024-12-06 04:27:40,828 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:27:40,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c [2024-12-06 04:27:40,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/3ce5f0bc6/d914153bc4064e5a910ce299106df4bb/FLAGfaee90e47 [2024-12-06 04:27:40,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/data/3ce5f0bc6/d914153bc4064e5a910ce299106df4bb [2024-12-06 04:27:40,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:27:40,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:27:40,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:27:40,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:27:40,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:27:40,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:27:40" (1/1) ... [2024-12-06 04:27:40,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@534d3b98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:40, skipping insertion in model container [2024-12-06 04:27:40,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:27:40" (1/1) ... [2024-12-06 04:27:40,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:27:40,994 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_26952317-286c-49d4-9750-4bd517bf67b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c[1256,1269] [2024-12-06 04:27:41,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:27:41,027 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:27:41,036 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_26952317-286c-49d4-9750-4bd517bf67b4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.count4.c[1256,1269] [2024-12-06 04:27:41,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:27:41,055 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:27:41,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41 WrapperNode [2024-12-06 04:27:41,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:27:41,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:27:41,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:27:41,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:27:41,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,083 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-06 04:27:41,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:27:41,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:27:41,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:27:41,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:27:41,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,095 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:27:41,104 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:27:41,104 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:27:41,104 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:27:41,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:27:41,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:27:41,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:27:41,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:27:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:27:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:27:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:27:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:27:41,209 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:27:41,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:27:41,301 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-06 04:27:41,301 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:27:41,324 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:27:41,324 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:27:41,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:27:41 BoogieIcfgContainer [2024-12-06 04:27:41,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:27:41,325 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:27:41,325 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:27:41,332 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:27:41,332 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:27:41" (1/1) ... [2024-12-06 04:27:41,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:27:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:41,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 04:27:41,371 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 04:27:41,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:27:41,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:41,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:41,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:41,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:41,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:27:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:41,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:41,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 04:27:41,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:41,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:27:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 04:27:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 04:27:41,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:27:41,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:41,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:41,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:41,631 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:41,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:27:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:41,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:41,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:27:41,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:41,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:41,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:27:42,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:42,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-06 04:27:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-06 04:27:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 04:27:42,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:42,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:42,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:42,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:42,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:27:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:42,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:42,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 04:27:42,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:42,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:27:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:42,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-06 04:27:42,951 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-06 04:27:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:27:42,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:42,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:42,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:42,953 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:27:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:43,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:43,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 04:27:43,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:43,238 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:43,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:27:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 04:27:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 04:27:43,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 04:27:43,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:43,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:43,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:43,756 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:43,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:27:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:43,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:43,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 04:27:43,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:44,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:27:44,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2024-12-06 04:27:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2024-12-06 04:27:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:27:44,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:44,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:44,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:44,671 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:44,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:27:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:44,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:44,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 04:27:44,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:45,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 04:27:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2024-12-06 04:27:45,624 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2024-12-06 04:27:45,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:27:45,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:45,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:45,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:45,626 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:45,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 04:27:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:45,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:45,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 04:27:45,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:45,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 04:27:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:46,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2024-12-06 04:27:46,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-12-06 04:27:46,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 04:27:46,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:46,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:46,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:46,686 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:46,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 04:27:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:46,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:46,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 04:27:46,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:47,076 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:47,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 04:27:47,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:47,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2024-12-06 04:27:47,891 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2024-12-06 04:27:47,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 04:27:47,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:47,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:47,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:47,893 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:47,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 04:27:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:48,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:48,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 04:27:48,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:48,335 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:48,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 04:27:49,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:49,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2024-12-06 04:27:49,374 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-12-06 04:27:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:27:49,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:49,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:49,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:49,377 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:49,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 04:27:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:49,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:49,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:27:49,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:49,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 04:27:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2024-12-06 04:27:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2024-12-06 04:27:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 04:27:50,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:50,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:50,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:50,836 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:50,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 04:27:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:50,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:51,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 04:27:51,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:51,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 04:27:52,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:52,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2024-12-06 04:27:52,505 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2024-12-06 04:27:52,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 04:27:52,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:52,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:52,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:52,507 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:52,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 04:27:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:52,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:52,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 04:27:52,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:53,086 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:53,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 04:27:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2024-12-06 04:27:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2024-12-06 04:27:54,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 04:27:54,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:54,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:54,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:54,388 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:54,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 04:27:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:54,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:54,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 04:27:54,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:54,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 04:27:56,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:56,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2024-12-06 04:27:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2024-12-06 04:27:56,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 04:27:56,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:56,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:56,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:56,478 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:56,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 04:27:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:56,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:56,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:27:56,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:57,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 04:27:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:27:58,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 101 transitions. [2024-12-06 04:27:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 101 transitions. [2024-12-06 04:27:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 04:27:58,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:27:58,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:27:58,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:27:58,716 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:27:58,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 04:27:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:58,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:27:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:27:58,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 04:27:58,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:27:59,414 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:27:59,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 04:28:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:28:01,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 64 states and 108 transitions. [2024-12-06 04:28:01,237 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 108 transitions. [2024-12-06 04:28:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 04:28:01,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:28:01,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:28:01,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:28:01,239 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:28:01,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 04:28:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:28:01,431 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:28:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:28:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:28:01,617 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:28:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:28:01,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 04:28:01,681 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 16 iterations. [2024-12-06 04:28:01,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:28:01 ImpRootNode [2024-12-06 04:28:01,714 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:28:01,714 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:28:01,714 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:28:01,714 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:28:01,715 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:27:41" (3/4) ... [2024-12-06 04:28:01,716 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:28:01,763 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 48. [2024-12-06 04:28:01,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:28:01,824 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:28:01,824 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:28:01,825 INFO L158 Benchmark]: Toolchain (without parser) took 20975.40ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 69.6MB in the beginning and 109.6MB in the end (delta: -40.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2024-12-06 04:28:01,825 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:01,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.93ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 57.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:28:01,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.56ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:01,826 INFO L158 Benchmark]: Boogie Preprocessor took 18.89ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.9MB in the end (delta: 762.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:28:01,826 INFO L158 Benchmark]: RCFGBuilder took 220.93ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 44.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:28:01,827 INFO L158 Benchmark]: CodeCheck took 20388.96ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 44.4MB in the beginning and 117.5MB in the end (delta: -73.2MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2024-12-06 04:28:01,827 INFO L158 Benchmark]: Witness Printer took 109.80ms. Allocated memory is still 201.3MB. Free memory was 117.5MB in the beginning and 109.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:28:01,829 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: 20.3s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1109 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 980 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1480 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4050 IncrementalHoareTripleChecker+Invalid, 5530 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1480 mSolverCounterUnsat, 15 mSDtfsCounter, 4050 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3926 GetRequests, 3453 SyntacticMatches, 273 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17468 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 360 ConstructedInterpolants, 0 QuantifiedInterpolants, 4358 SizeOfPredicates, 59 NumberOfNonLiveVariables, 1200 ConjunctsInSsa, 311 ConjunctsInUnsatCore, 15 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1575 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 22]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L27] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 4); [L28] const SORT_1 msb_SORT_1 = (SORT_1)1 << (4 - 1); [L30] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 1); [L31] const SORT_9 msb_SORT_9 = (SORT_9)1 << (1 - 1); [L33] const SORT_1 var_2 = 0; [L34] const SORT_1 var_5 = 1; [L35] const SORT_1 var_8 = mask_SORT_1; [L38] SORT_1 state_3 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L40] SORT_1 init_4_arg_1 = var_2; [L41] state_3 = init_4_arg_1 VAL [mask_SORT_1=15, state_3=0, var_5=1, var_8=15] [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND FALSE !(!(cond)) [L50] RET __VERIFIER_assert(!(bad_11_arg_0)) [L52] SORT_1 var_6_arg_0 = state_3; [L53] SORT_1 var_6_arg_1 = var_5; [L54] SORT_1 var_6 = var_6_arg_0 + var_6_arg_1; [L55] var_6 = var_6 & mask_SORT_1 [L56] SORT_1 next_7_arg_1 = var_6; [L58] state_3 = next_7_arg_1 [L46] SORT_1 var_10_arg_0 = state_3; [L47] SORT_1 var_10_arg_1 = var_8; [L48] SORT_9 var_10 = var_10_arg_0 == var_10_arg_1; [L49] SORT_9 bad_11_arg_0 = var_10; [L50] CALL __VERIFIER_assert(!(bad_11_arg_0)) [L22] COND TRUE !(cond) [L22] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.93ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 57.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.56ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.89ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 55.9MB in the end (delta: 762.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 220.93ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 44.5MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 20388.96ms. Allocated memory was 92.3MB in the beginning and 201.3MB in the end (delta: 109.1MB). Free memory was 44.4MB in the beginning and 117.5MB in the end (delta: -73.2MB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Witness Printer took 109.80ms. Allocated memory is still 201.3MB. Free memory was 117.5MB in the beginning and 109.6MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:28:01,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26952317-286c-49d4-9750-4bd517bf67b4/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE