./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC --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 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:00,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:00,668 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-23 20:18:00,678 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:00,679 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:00,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:00,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:00,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:00,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:00,732 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:00,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:00,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:00,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:00,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:00,737 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:00,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:00,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:00,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:00,739 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:00,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:00,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:00,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:00,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:00,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:00,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:00,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:00,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:00,746 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:00,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:00,747 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:00,749 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_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 [2023-11-23 20:18:01,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:01,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:01,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:01,093 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:01,094 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:01,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-11-23 20:18:04,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:04,498 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:04,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-11-23 20:18:04,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data/45823803f/a887c662ecef4097bb160e6235487535/FLAGe466d810b [2023-11-23 20:18:04,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data/45823803f/a887c662ecef4097bb160e6235487535 [2023-11-23 20:18:04,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:04,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:04,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:04,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:04,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:04,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:04,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f3f043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04, skipping insertion in model container [2023-11-23 20:18:04,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:04,601 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:04,783 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_c7f02f77-f132-4724-b135-2a79782e2cf4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-11-23 20:18:04,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:04,885 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:04,896 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_c7f02f77-f132-4724-b135-2a79782e2cf4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-11-23 20:18:04,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:04,956 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:04,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04 WrapperNode [2023-11-23 20:18:04,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:04,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:04,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:04,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:04,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:04,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,070 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 346 [2023-11-23 20:18:05,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:05,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:05,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:05,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:05,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,131 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:05,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:05,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:05,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:05,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:04" (1/1) ... [2023-11-23 20:18:05,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:05,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:05,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:05,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:18:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:05,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:05,387 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:05,390 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:06,118 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:06,639 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:06,641 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:18:06,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:06 BoogieIcfgContainer [2023-11-23 20:18:06,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:06,644 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:06,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:06,655 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:06,655 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:06" (1/1) ... [2023-11-23 20:18:06,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:06,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:18:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:18:06,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:18:06,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:07,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:07,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:08,649 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:18:08,687 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-23 20:18:08,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:08 ImpRootNode [2023-11-23 20:18:08,693 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:08,694 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:08,694 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:08,694 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:08,695 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:06" (3/4) ... [2023-11-23 20:18:08,698 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:18:08,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:08,701 INFO L158 Benchmark]: Toolchain (without parser) took 4160.75ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 88.2MB in the end (delta: 17.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-23 20:18:08,702 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:08,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.57ms. Allocated memory is still 140.5MB. Free memory was 105.0MB in the beginning and 90.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:18:08,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.99ms. Allocated memory is still 140.5MB. Free memory was 90.3MB in the beginning and 82.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:18:08,704 INFO L158 Benchmark]: Boogie Preprocessor took 73.28ms. Allocated memory is still 140.5MB. Free memory was 82.7MB in the beginning and 79.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:08,705 INFO L158 Benchmark]: RCFGBuilder took 1497.38ms. Allocated memory is still 140.5MB. Free memory was 79.4MB in the beginning and 59.9MB in the end (delta: 19.5MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-23 20:18:08,705 INFO L158 Benchmark]: CodeCheck took 2049.04ms. Allocated memory is still 140.5MB. Free memory was 59.9MB in the beginning and 88.2MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:08,706 INFO L158 Benchmark]: Witness Printer took 5.39ms. Allocated memory is still 140.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:08,709 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: 2.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 81, overapproximation of bitwiseAnd at line 64. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 32); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (32 - 1); [L35] const SORT_52 mask_SORT_52 = (SORT_52)-1 >> (sizeof(SORT_52) * 8 - 2); [L36] const SORT_52 msb_SORT_52 = (SORT_52)1 << (2 - 1); [L38] const SORT_54 mask_SORT_54 = (SORT_54)-1 >> (sizeof(SORT_54) * 8 - 3); [L39] const SORT_54 msb_SORT_54 = (SORT_54)1 << (3 - 1); [L41] const SORT_4 var_5 = 0; [L42] const SORT_8 var_10 = 0; [L43] const SORT_8 var_13 = 1; [L44] const SORT_8 var_17 = 2; [L45] const SORT_8 var_21 = 3; [L46] const SORT_8 var_25 = 4; [L47] const SORT_1 var_30 = 1; [L48] const SORT_4 var_41 = 1; [L49] const SORT_4 var_44 = 4; [L50] const SORT_4 var_45 = 3; [L51] const SORT_4 var_50 = 2; [L53] SORT_1 input_2; [L54] SORT_1 input_3; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L56] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L58] SORT_4 init_7_arg_1 = var_5; [L59] state_6 = init_7_arg_1 VAL [init_7_arg_1=0, mask_SORT_1=1, mask_SORT_4=255, mask_SORT_52=3, mask_SORT_54=7, mask_SORT_8=4294967295, msb_SORT_1=1, msb_SORT_4=128, msb_SORT_52=2, msb_SORT_54=4, msb_SORT_8=2147483648, state_6=0, var_10=0, var_13=1, var_17=2, var_21=3, var_25=4, var_30=1, var_41=1, var_44=4, var_45=3, var_50=2, var_5=0] [L62] input_2 = __VERIFIER_nondet_uchar() [L63] input_3 = __VERIFIER_nondet_uchar() [L64] EXPR input_3 & mask_SORT_1 [L64] input_3 = input_3 & mask_SORT_1 [L67] SORT_4 var_9_arg_0 = state_6; [L68] EXPR var_9_arg_0 & mask_SORT_4 [L68] var_9_arg_0 = var_9_arg_0 & mask_SORT_4 [L69] SORT_8 var_9 = var_9_arg_0; [L70] SORT_8 var_11_arg_0 = var_9; [L71] SORT_8 var_11_arg_1 = var_10; [L72] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L73] SORT_4 var_12_arg_0 = state_6; [L74] EXPR var_12_arg_0 & mask_SORT_4 [L74] var_12_arg_0 = var_12_arg_0 & mask_SORT_4 [L75] SORT_8 var_12 = var_12_arg_0; [L76] SORT_8 var_14_arg_0 = var_12; [L77] SORT_8 var_14_arg_1 = var_13; [L78] SORT_1 var_14 = var_14_arg_0 == var_14_arg_1; [L79] SORT_1 var_15_arg_0 = var_11; [L80] SORT_1 var_15_arg_1 = var_14; [L81] EXPR var_15_arg_0 | var_15_arg_1 [L81] SORT_1 var_15 = var_15_arg_0 | var_15_arg_1; [L82] SORT_4 var_16_arg_0 = state_6; [L83] EXPR var_16_arg_0 & mask_SORT_4 [L83] var_16_arg_0 = var_16_arg_0 & mask_SORT_4 [L84] SORT_8 var_16 = var_16_arg_0; [L85] SORT_8 var_18_arg_0 = var_16; [L86] SORT_8 var_18_arg_1 = var_17; [L87] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L88] SORT_1 var_19_arg_0 = var_15; [L89] SORT_1 var_19_arg_1 = var_18; [L90] EXPR var_19_arg_0 | var_19_arg_1 [L90] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L91] SORT_4 var_20_arg_0 = state_6; [L92] EXPR var_20_arg_0 & mask_SORT_4 [L92] var_20_arg_0 = var_20_arg_0 & mask_SORT_4 [L93] SORT_8 var_20 = var_20_arg_0; [L94] SORT_8 var_22_arg_0 = var_20; [L95] SORT_8 var_22_arg_1 = var_21; [L96] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L97] SORT_1 var_23_arg_0 = var_19; [L98] SORT_1 var_23_arg_1 = var_22; [L99] EXPR var_23_arg_0 | var_23_arg_1 [L99] SORT_1 var_23 = var_23_arg_0 | var_23_arg_1; [L100] SORT_4 var_24_arg_0 = state_6; [L101] EXPR var_24_arg_0 & mask_SORT_4 [L101] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L102] SORT_8 var_24 = var_24_arg_0; [L103] SORT_8 var_26_arg_0 = var_24; [L104] SORT_8 var_26_arg_1 = var_25; [L105] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L106] SORT_1 var_27_arg_0 = var_23; [L107] SORT_1 var_27_arg_1 = var_26; [L108] EXPR var_27_arg_0 | var_27_arg_1 [L108] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L109] SORT_1 var_31_arg_0 = var_27; [L110] SORT_1 var_31 = ~var_31_arg_0; [L111] SORT_1 var_32_arg_0 = var_30; [L112] SORT_1 var_32_arg_1 = var_31; [L113] EXPR var_32_arg_0 & var_32_arg_1 [L113] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L114] EXPR var_32 & mask_SORT_1 [L114] var_32 = var_32 & mask_SORT_1 [L115] SORT_1 bad_33_arg_0 = var_32; [L116] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.57ms. Allocated memory is still 140.5MB. Free memory was 105.0MB in the beginning and 90.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.99ms. Allocated memory is still 140.5MB. Free memory was 90.3MB in the beginning and 82.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.28ms. Allocated memory is still 140.5MB. Free memory was 82.7MB in the beginning and 79.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1497.38ms. Allocated memory is still 140.5MB. Free memory was 79.4MB in the beginning and 59.9MB in the end (delta: 19.5MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. * CodeCheck took 2049.04ms. Allocated memory is still 140.5MB. Free memory was 59.9MB in the beginning and 88.2MB in the end (delta: -28.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.39ms. Allocated memory is still 140.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:18:08,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC --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 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:11,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:11,627 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-23 20:18:11,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:11,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:11,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:11,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:11,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:11,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:11,691 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:11,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:11,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:11,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:11,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:11,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:18:11,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:18:11,695 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:18:11,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:11,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:11,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:11,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:11,699 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:11,699 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:11,699 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:11,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:11,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:11,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:11,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:11,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:11,702 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:18:11,703 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:11,704 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:11,704 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:18:11,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:18:11,705 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_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 827228a8fb731d7038bb1b8c7cce3c35edda9a5c3ee552084966688fbdc104d2 [2023-11-23 20:18:12,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:12,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:12,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:12,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:12,147 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:12,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-11-23 20:18:15,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:15,685 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:15,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c [2023-11-23 20:18:15,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data/f9613ba92/a23d608f4d684253aeded289637e8be3/FLAGfea8f8900 [2023-11-23 20:18:15,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/data/f9613ba92/a23d608f4d684253aeded289637e8be3 [2023-11-23 20:18:15,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:15,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:15,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:15,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:15,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:15,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:15" (1/1) ... [2023-11-23 20:18:15,725 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f4813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:15, skipping insertion in model container [2023-11-23 20:18:15,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:15" (1/1) ... [2023-11-23 20:18:15,770 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:15,937 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_c7f02f77-f132-4724-b135-2a79782e2cf4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-11-23 20:18:16,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:16,026 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:16,038 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_c7f02f77-f132-4724-b135-2a79782e2cf4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_segments.c[1250,1263] [2023-11-23 20:18:16,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:16,127 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:16,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16 WrapperNode [2023-11-23 20:18:16,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:16,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:16,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:16,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:16,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,200 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 166 [2023-11-23 20:18:16,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:16,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:16,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:16,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:16,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,228 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,260 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:16,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:16,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:16,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:16,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:16,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:16,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:16,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:16,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:18:16,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:16,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:16,501 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:16,504 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:16,804 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:16,857 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:16,858 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:18:16,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:16 BoogieIcfgContainer [2023-11-23 20:18:16,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:16,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:16,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:16,872 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:16,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:16" (1/1) ... [2023-11-23 20:18:16,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-23 20:18:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-23 20:18:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:18:16,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:16,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:16,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:16,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:16,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:18:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:17,173 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:18:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:17,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:18:17,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:17,626 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:18:17,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:18:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:17,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-23 20:18:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-23 20:18:17,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:18:17,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:17,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:17,748 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:17,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:18:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:17,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:18:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:18,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-23 20:18:18,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:19,300 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:18:19,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-23 20:18:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2023-11-23 20:18:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2023-11-23 20:18:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:18:20,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:20,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:20,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:20,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:20,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:18:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:20,470 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:18:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:20,634 WARN L260 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 168 conjunts are in the unsatisfiable core [2023-11-23 20:18:20,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:18:27,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:18:31,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:31,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2023-11-23 20:18:31,312 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2023-11-23 20:18:31,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:18:31,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:31,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:31,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:31,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:31,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:18:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:31,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:18:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:31,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 155 conjunts are in the unsatisfiable core [2023-11-23 20:18:31,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:37,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:18:37,398 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:18:37,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-23 20:18:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 24 states and 49 transitions. [2023-11-23 20:18:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 49 transitions. [2023-11-23 20:18:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:18:42,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:42,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:42,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:42,029 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:42,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-23 20:18:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:42,408 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:18:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:42,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-23 20:18:42,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:45,854 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:18:45,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-23 20:18:46,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 25 states and 52 transitions. [2023-11-23 20:18:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 52 transitions. [2023-11-23 20:18:46,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:18:46,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:46,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:18:46,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:18:46,620 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:18:46,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-23 20:18:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:47,038 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:18:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:47,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 144 conjunts are in the unsatisfiable core [2023-11-23 20:18:47,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-23 20:18:50,828 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:18:50,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7f02f77-f132-4724-b135-2a79782e2cf4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0