./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL --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 a8fb5b6f229e5a4fd597c3d3ce627886ac65e8da3c998565f3e47e3b850a3640 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:43:32,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:43:32,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-19 03:43:32,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:43:32,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:43:32,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:43:32,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:43:32,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:43:32,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:43:32,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:43:32,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:43:32,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:43:32,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:43:32,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:43:32,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:43:32,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:43:32,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:43:32,664 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:43:32,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:43:32,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:43:32,665 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:43:32,666 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:43:32,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:43:32,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:32,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:43:32,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:43:32,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:43:32,669 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:43:32,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:43:32,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:43:32,671 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8fb5b6f229e5a4fd597c3d3ce627886ac65e8da3c998565f3e47e3b850a3640 [2023-11-19 03:43:33,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:43:33,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:43:33,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:43:33,081 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:43:33,082 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:43:33,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2023-11-19 03:43:36,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:43:36,587 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:43:36,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2023-11-19 03:43:36,626 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data/d0951fedc/05d1790a40694c1fb0b0ca0bd00e5f7e/FLAG757bcba84 [2023-11-19 03:43:36,646 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data/d0951fedc/05d1790a40694c1fb0b0ca0bd00e5f7e [2023-11-19 03:43:36,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:43:36,653 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:43:36,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:36,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:43:36,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:43:36,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:36" (1/1) ... [2023-11-19 03:43:36,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6792a1c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:36, skipping insertion in model container [2023-11-19 03:43:36,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:43:36" (1/1) ... [2023-11-19 03:43:36,754 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:43:36,940 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1173,1186] [2023-11-19 03:43:37,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:37,392 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:43:37,402 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1173,1186] [2023-11-19 03:43:37,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:43:37,731 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:43:37,731 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37 WrapperNode [2023-11-19 03:43:37,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:43:37,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:37,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:43:37,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:43:37,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:37,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:38,671 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6069 [2023-11-19 03:43:38,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:43:38,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:43:38,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:43:38,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:43:38,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:38,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:38,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:38,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:39,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:39,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:39,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:39,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:39,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:43:39,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:43:39,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:43:39,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:43:39,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:43:37" (1/1) ... [2023-11-19 03:43:39,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:43:39,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:43:39,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:43:39,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:43:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:43:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:43:39,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:43:39,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:43:40,322 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:43:40,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:43:45,320 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:43:58,237 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:43:58,238 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:43:58,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58 BoogieIcfgContainer [2023-11-19 03:43:58,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:43:58,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:43:58,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:43:58,258 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:43:58,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58" (1/1) ... [2023-11-19 03:43:58,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:43:58,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:43:58,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:43:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:43:58,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:43:58,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:43:58,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:43:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:43:59,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:43:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:00,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:44:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:44:01,113 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:44:01,185 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-19 03:44:01,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:44:01 ImpRootNode [2023-11-19 03:44:01,207 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:44:01,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:44:01,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:44:01,211 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:44:01,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:43:58" (3/4) ... [2023-11-19 03:44:01,221 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:44:01,232 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:44:01,233 INFO L158 Benchmark]: Toolchain (without parser) took 24579.70ms. Allocated memory was 157.3MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 119.8MB in the beginning and 4.9GB in the end (delta: -4.8GB). Peak memory consumption was 277.8MB. Max. memory is 16.1GB. [2023-11-19 03:44:01,234 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:44:01,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.35ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 94.0MB in the end (delta: 25.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-11-19 03:44:01,236 INFO L158 Benchmark]: Boogie Procedure Inliner took 939.41ms. Allocated memory was 157.3MB in the beginning and 381.7MB in the end (delta: 224.4MB). Free memory was 94.0MB in the beginning and 255.0MB in the end (delta: -160.9MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2023-11-19 03:44:01,237 INFO L158 Benchmark]: Boogie Preprocessor took 902.84ms. Allocated memory is still 381.7MB. Free memory was 255.0MB in the beginning and 208.8MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 03:44:01,239 INFO L158 Benchmark]: RCFGBuilder took 18666.76ms. Allocated memory was 381.7MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 208.8MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 593.3MB. Max. memory is 16.1GB. [2023-11-19 03:44:01,240 INFO L158 Benchmark]: CodeCheck took 2962.34ms. Allocated memory is still 5.2GB. Free memory was 4.8GB in the beginning and 4.9GB in the end (delta: -139.9MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. [2023-11-19 03:44:01,241 INFO L158 Benchmark]: Witness Printer took 21.77ms. Allocated memory is still 5.2GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:44:01,246 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: 2.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 163. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_63 = 1; [L41] const SORT_4 var_64 = 0; [L42] const SORT_2 var_74 = 0; [L43] const SORT_2 var_76 = 1; [L44] const SORT_3 var_91 = 0; [L45] const SORT_4 var_227 = 3; [L46] const SORT_2 var_239 = 3; [L47] const SORT_4 var_241 = 4; [L48] const SORT_4 var_343 = 2; [L50] SORT_1 input_73; [L51] SORT_1 input_75; [L52] SORT_1 input_80; [L53] SORT_1 input_81; [L54] SORT_1 input_85; [L55] SORT_1 input_86; [L56] SORT_1 input_90; [L57] SORT_1 input_98; [L58] SORT_1 input_105; [L59] SORT_1 input_112; [L60] SORT_1 input_116; [L61] SORT_1 input_117; [L62] SORT_1 input_131; [L63] SORT_1 input_135; [L64] SORT_1 input_136; [L65] SORT_1 input_150; [L66] SORT_1 input_154; [L67] SORT_1 input_155; [L68] SORT_1 input_176; [L69] SORT_1 input_179; [L70] SORT_1 input_195; [L71] SORT_1 input_198; [L72] SORT_1 input_214; [L73] SORT_1 input_217; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L75] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L76] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L77] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L79] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] SORT_2 init_7_arg_1 = var_5; [L105] state_6 = init_7_arg_1 [L106] SORT_2 init_9_arg_1 = var_5; [L107] state_8 = init_9_arg_1 [L108] SORT_2 init_11_arg_1 = var_5; [L109] state_10 = init_11_arg_1 [L110] SORT_2 init_13_arg_1 = var_5; [L111] state_12 = init_13_arg_1 [L112] SORT_2 init_15_arg_1 = var_5; [L113] state_14 = init_15_arg_1 [L114] SORT_2 init_17_arg_1 = var_5; [L115] state_16 = init_17_arg_1 [L116] SORT_2 init_19_arg_1 = var_5; [L117] state_18 = init_19_arg_1 [L118] SORT_2 init_21_arg_1 = var_5; [L119] state_20 = init_21_arg_1 [L120] SORT_2 init_23_arg_1 = var_5; [L121] state_22 = init_23_arg_1 [L122] SORT_2 init_25_arg_1 = var_5; [L123] state_24 = init_25_arg_1 [L124] SORT_2 init_27_arg_1 = var_5; [L125] state_26 = init_27_arg_1 [L126] SORT_2 init_29_arg_1 = var_5; [L127] state_28 = init_29_arg_1 [L128] SORT_1 init_32_arg_1 = var_30; [L129] state_31 = init_32_arg_1 [L130] SORT_1 init_34_arg_1 = var_30; [L131] state_33 = init_34_arg_1 [L132] SORT_1 init_36_arg_1 = var_30; [L133] state_35 = init_36_arg_1 [L134] SORT_1 init_38_arg_1 = var_30; [L135] state_37 = init_38_arg_1 [L136] SORT_1 init_40_arg_1 = var_30; [L137] state_39 = init_40_arg_1 [L138] SORT_1 init_42_arg_1 = var_30; [L139] state_41 = init_42_arg_1 [L140] SORT_1 init_44_arg_1 = var_30; [L141] state_43 = init_44_arg_1 [L142] SORT_1 init_46_arg_1 = var_30; [L143] state_45 = init_46_arg_1 [L144] SORT_1 init_48_arg_1 = var_30; [L145] state_47 = init_48_arg_1 [L146] SORT_1 init_50_arg_1 = var_30; [L147] state_49 = init_50_arg_1 [L148] SORT_1 init_52_arg_1 = var_30; [L149] state_51 = init_52_arg_1 [L150] SORT_1 init_54_arg_1 = var_30; [L151] state_53 = init_54_arg_1 [L152] SORT_1 init_56_arg_1 = var_30; [L153] state_55 = init_56_arg_1 [L154] SORT_1 init_58_arg_1 = var_30; [L155] state_57 = init_58_arg_1 [L156] SORT_1 init_60_arg_1 = var_30; [L157] state_59 = init_60_arg_1 [L158] SORT_1 init_62_arg_1 = var_30; [L159] state_61 = init_62_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_6=0, state_8=0, var_227=3, var_239=3, var_241=4, var_30=0, var_343=2, var_5=0, var_63=1, var_64=0, var_74=0, var_76=1, var_91=0] [L162] input_73 = __VERIFIER_nondet_uchar() [L163] EXPR input_73 & mask_SORT_1 [L163] input_73 = input_73 & mask_SORT_1 [L164] input_75 = __VERIFIER_nondet_uchar() [L165] EXPR input_75 & mask_SORT_1 [L165] input_75 = input_75 & mask_SORT_1 [L166] input_80 = __VERIFIER_nondet_uchar() [L167] EXPR input_80 & mask_SORT_1 [L167] input_80 = input_80 & mask_SORT_1 [L168] input_81 = __VERIFIER_nondet_uchar() [L169] EXPR input_81 & mask_SORT_1 [L169] input_81 = input_81 & mask_SORT_1 [L170] input_85 = __VERIFIER_nondet_uchar() [L171] EXPR input_85 & mask_SORT_1 [L171] input_85 = input_85 & mask_SORT_1 [L172] input_86 = __VERIFIER_nondet_uchar() [L173] EXPR input_86 & mask_SORT_1 [L173] input_86 = input_86 & mask_SORT_1 [L174] input_90 = __VERIFIER_nondet_uchar() [L175] EXPR input_90 & mask_SORT_1 [L175] input_90 = input_90 & mask_SORT_1 [L176] input_98 = __VERIFIER_nondet_uchar() [L177] EXPR input_98 & mask_SORT_1 [L177] input_98 = input_98 & mask_SORT_1 [L178] input_105 = __VERIFIER_nondet_uchar() [L179] EXPR input_105 & mask_SORT_1 [L179] input_105 = input_105 & mask_SORT_1 [L180] input_112 = __VERIFIER_nondet_uchar() [L181] EXPR input_112 & mask_SORT_1 [L181] input_112 = input_112 & mask_SORT_1 [L182] input_116 = __VERIFIER_nondet_uchar() [L183] EXPR input_116 & mask_SORT_1 [L183] input_116 = input_116 & mask_SORT_1 [L184] input_117 = __VERIFIER_nondet_uchar() [L185] EXPR input_117 & mask_SORT_1 [L185] input_117 = input_117 & mask_SORT_1 [L186] input_131 = __VERIFIER_nondet_uchar() [L187] EXPR input_131 & mask_SORT_1 [L187] input_131 = input_131 & mask_SORT_1 [L188] input_135 = __VERIFIER_nondet_uchar() [L189] EXPR input_135 & mask_SORT_1 [L189] input_135 = input_135 & mask_SORT_1 [L190] input_136 = __VERIFIER_nondet_uchar() [L191] EXPR input_136 & mask_SORT_1 [L191] input_136 = input_136 & mask_SORT_1 [L192] input_150 = __VERIFIER_nondet_uchar() [L193] EXPR input_150 & mask_SORT_1 [L193] input_150 = input_150 & mask_SORT_1 [L194] input_154 = __VERIFIER_nondet_uchar() [L195] EXPR input_154 & mask_SORT_1 [L195] input_154 = input_154 & mask_SORT_1 [L196] input_155 = __VERIFIER_nondet_uchar() [L197] EXPR input_155 & mask_SORT_1 [L197] input_155 = input_155 & mask_SORT_1 [L198] input_176 = __VERIFIER_nondet_uchar() [L199] input_179 = __VERIFIER_nondet_uchar() [L200] input_195 = __VERIFIER_nondet_uchar() [L201] input_198 = __VERIFIER_nondet_uchar() [L202] input_214 = __VERIFIER_nondet_uchar() [L203] input_217 = __VERIFIER_nondet_uchar() [L206] SORT_1 var_65_arg_0 = state_39; [L207] SORT_4 var_65_arg_1 = var_63; [L208] SORT_4 var_65_arg_2 = var_64; [L209] SORT_4 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L210] SORT_1 var_66_arg_0 = state_49; [L211] SORT_4 var_66_arg_1 = var_63; [L212] SORT_4 var_66_arg_2 = var_64; [L213] SORT_4 var_66 = var_66_arg_0 ? var_66_arg_1 : var_66_arg_2; [L214] SORT_4 var_67_arg_0 = var_65; [L215] SORT_4 var_67_arg_1 = var_66; [L216] SORT_4 var_67 = var_67_arg_0 + var_67_arg_1; [L217] SORT_1 var_68_arg_0 = state_59; [L218] SORT_4 var_68_arg_1 = var_63; [L219] SORT_4 var_68_arg_2 = var_64; [L220] SORT_4 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L221] SORT_4 var_69_arg_0 = var_67; [L222] SORT_4 var_69_arg_1 = var_68; [L223] SORT_4 var_69 = var_69_arg_0 + var_69_arg_1; [L224] EXPR var_69 & mask_SORT_4 [L224] var_69 = var_69 & mask_SORT_4 [L225] SORT_4 var_70_arg_0 = var_69; [L226] SORT_4 var_70_arg_1 = var_63; [L227] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L228] SORT_1 var_71_arg_0 = ~state_61; [L229] EXPR var_71_arg_0 & mask_SORT_1 [L229] var_71_arg_0 = var_71_arg_0 & mask_SORT_1 [L230] SORT_1 var_71_arg_1 = ~var_70; [L231] EXPR var_71_arg_1 & mask_SORT_1 [L231] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 [L232] EXPR var_71_arg_0 & var_71_arg_1 [L232] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L233] EXPR var_71 & mask_SORT_1 [L233] var_71 = var_71 & mask_SORT_1 [L234] SORT_1 bad_72_arg_0 = var_71; [L235] CALL __VERIFIER_assert(!(bad_72_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.35ms. Allocated memory is still 157.3MB. Free memory was 119.8MB in the beginning and 94.0MB in the end (delta: 25.8MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 939.41ms. Allocated memory was 157.3MB in the beginning and 381.7MB in the end (delta: 224.4MB). Free memory was 94.0MB in the beginning and 255.0MB in the end (delta: -160.9MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 902.84ms. Allocated memory is still 381.7MB. Free memory was 255.0MB in the beginning and 208.8MB in the end (delta: 46.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * RCFGBuilder took 18666.76ms. Allocated memory was 381.7MB in the beginning and 5.2GB in the end (delta: 4.8GB). Free memory was 208.8MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 593.3MB. Max. memory is 16.1GB. * CodeCheck took 2962.34ms. Allocated memory is still 5.2GB. Free memory was 4.8GB in the beginning and 4.9GB in the end (delta: -139.9MB). Peak memory consumption was 159.0MB. Max. memory is 16.1GB. * Witness Printer took 21.77ms. Allocated memory is still 5.2GB. Free memory was 4.9GB in the beginning and 4.9GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:44:01,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL --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 a8fb5b6f229e5a4fd597c3d3ce627886ac65e8da3c998565f3e47e3b850a3640 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:44:03,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:44:04,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-19 03:44:04,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:44:04,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:44:04,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:44:04,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:44:04,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:44:04,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:44:04,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:44:04,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:44:04,123 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:44:04,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:44:04,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:44:04,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:44:04,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:44:04,127 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:44:04,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:44:04,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:44:04,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:44:04,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:44:04,130 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:44:04,131 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:44:04,131 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:44:04,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:44:04,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:04,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:44:04,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:44:04,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:44:04,134 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:44:04,135 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:44:04,136 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:44:04,136 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:44:04,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:44:04,137 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8fb5b6f229e5a4fd597c3d3ce627886ac65e8da3c998565f3e47e3b850a3640 [2023-11-19 03:44:04,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:44:04,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:44:04,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:44:04,624 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:44:04,624 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:44:04,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2023-11-19 03:44:07,862 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:44:08,271 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:44:08,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c [2023-11-19 03:44:08,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data/68996d042/6aaf97524fad49889bb29e6fe8bd4ed6/FLAG85e91282e [2023-11-19 03:44:08,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/data/68996d042/6aaf97524fad49889bb29e6fe8bd4ed6 [2023-11-19 03:44:08,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:44:08,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:44:08,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:08,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:44:08,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:44:08,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:08" (1/1) ... [2023-11-19 03:44:08,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df36f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:08, skipping insertion in model container [2023-11-19 03:44:08,326 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:44:08" (1/1) ... [2023-11-19 03:44:08,423 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:44:08,727 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1173,1186] [2023-11-19 03:44:09,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:09,136 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:44:09,161 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.3.prop1-func-interl.c[1173,1186] [2023-11-19 03:44:09,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:44:09,378 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:44:09,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09 WrapperNode [2023-11-19 03:44:09,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:44:09,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:09,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:44:09,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:44:09,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,584 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1652 [2023-11-19 03:44:09,584 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:44:09,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:44:09,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:44:09,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:44:09,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,615 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,615 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:44:09,838 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:44:09,838 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:44:09,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:44:09,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:44:09" (1/1) ... [2023-11-19 03:44:09,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:44:09,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:44:09,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:44:09,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:44:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:44:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:44:09,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:44:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:44:10,331 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:44:10,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:44:13,844 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:44:13,969 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:44:13,970 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:44:13,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:13 BoogieIcfgContainer [2023-11-19 03:44:13,975 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:44:13,976 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:44:13,977 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:44:14,023 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:44:14,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:44:13" (1/1) ... [2023-11-19 03:44:14,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:44:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:14,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 03:44:14,106 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 03:44:14,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:44:14,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:44:14,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:44:14,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:44:14,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:44:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:14,739 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:44:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:44:14,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:44:14,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:44:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:44:15,578 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:44:15,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:44:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:44:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-19 03:44:16,065 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-19 03:44:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:44:16,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:44:16,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:44:16,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:44:16,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:44:16,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05383968-6ce9-43de-b505-de2deb6c2617/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process