./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:56,854 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:57,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:46:57,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:57,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:57,079 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:57,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:57,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:57,084 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:57,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:57,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:57,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:57,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:57,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:57,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:57,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:57,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:57,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:57,098 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:57,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:57,100 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:57,101 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:57,101 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:57,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:57,102 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:57,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:57,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:57,120 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:57,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:57,121 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:57,123 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_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 [2023-11-21 18:46:57,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:57,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:57,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:57,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:57,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:57,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c [2023-11-21 18:47:00,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:01,166 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:01,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c [2023-11-21 18:47:01,177 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data/66b8518e5/f1d90be952fb4e698a87c6564b7e2d87/FLAGf1fdfd157 [2023-11-21 18:47:01,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data/66b8518e5/f1d90be952fb4e698a87c6564b7e2d87 [2023-11-21 18:47:01,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:01,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:01,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:01,200 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:01,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:01,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,207 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4fbd93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01, skipping insertion in model container [2023-11-21 18:47:01,207 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,238 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:01,401 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_c70c41b7-fbbc-4cfd-89a8-62713d585312/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2023-11-21 18:47:01,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:01,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:01,484 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_c70c41b7-fbbc-4cfd-89a8-62713d585312/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2023-11-21 18:47:01,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:01,545 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:01,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01 WrapperNode [2023-11-21 18:47:01,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:01,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:01,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:01,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:01,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,654 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 220 [2023-11-21 18:47:01,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:01,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:01,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:01,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:01,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,672 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:01,740 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:01,740 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:01,740 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:01,741 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:01" (1/1) ... [2023-11-21 18:47:01,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:01,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:01,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:01,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:01,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:01,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:02,051 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:02,060 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:02,569 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:02,928 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:02,929 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:47:02,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:02 BoogieIcfgContainer [2023-11-21 18:47:02,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:02,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:02,932 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:02,969 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:02,970 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:02" (1/1) ... [2023-11-21 18:47:02,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:47:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:47:03,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:03,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:03,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:47:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:03,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:47:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:47:03,598 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:47:03,627 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:47:03,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:47:03 ImpRootNode [2023-11-21 18:47:03,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:47:03,640 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:47:03,640 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:47:03,641 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:47:03,641 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:02" (3/4) ... [2023-11-21 18:47:03,645 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:47:03,646 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:47:03,648 INFO L158 Benchmark]: Toolchain (without parser) took 2449.58ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 130.1MB in the beginning and 136.5MB in the end (delta: -6.3MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-21 18:47:03,650 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 123.7MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:03,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.26ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 117.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:47:03,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.91ms. Allocated memory is still 159.4MB. Free memory was 117.8MB in the beginning and 112.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:47:03,654 INFO L158 Benchmark]: Boogie Preprocessor took 82.78ms. Allocated memory is still 159.4MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:03,658 INFO L158 Benchmark]: RCFGBuilder took 1191.94ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 64.2MB in the end (delta: 45.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-21 18:47:03,659 INFO L158 Benchmark]: CodeCheck took 704.23ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 64.2MB in the beginning and 136.5MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:03,660 INFO L158 Benchmark]: Witness Printer took 7.20ms. Allocated memory is still 192.9MB. Free memory was 136.5MB in the beginning and 136.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:03,671 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 0.0s 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 69. 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 - 3); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (3 - 1); [L32] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 32); [L33] const SORT_23 msb_SORT_23 = (SORT_23)1 << (32 - 1); [L35] const SORT_4 var_5 = 0; [L36] const SORT_1 var_13 = 1; [L37] const SORT_1 var_17 = 0; [L38] const SORT_23 var_25 = 1; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L43] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L44] SORT_4 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_4 init_7_arg_1 = var_5; [L49] state_6 = init_7_arg_1 [L50] SORT_4 init_9_arg_1 = var_5; [L51] state_8 = init_9_arg_1 [L52] SORT_1 init_19_arg_1 = var_17; [L53] state_18 = init_19_arg_1 [L54] SORT_1 init_21_arg_1 = var_17; [L55] state_20 = init_21_arg_1 VAL [init_19_arg_1=0, init_21_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_23=4294967295, mask_SORT_4=7, msb_SORT_1=1, msb_SORT_23=2147483648, msb_SORT_4=4, state_18=0, state_20=0, state_6=0, state_8=0, var_13=1, var_17=0, var_25=1, var_5=0] [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] EXPR var_15_arg_0 & var_15_arg_1 [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] EXPR var_15 & mask_SORT_1 [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_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 0.40ms. Allocated memory is still 123.7MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.26ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 117.8MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.91ms. Allocated memory is still 159.4MB. Free memory was 117.8MB in the beginning and 112.2MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.78ms. Allocated memory is still 159.4MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1191.94ms. Allocated memory is still 159.4MB. Free memory was 110.1MB in the beginning and 64.2MB in the end (delta: 45.9MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * CodeCheck took 704.23ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 64.2MB in the beginning and 136.5MB in the end (delta: -72.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.20ms. Allocated memory is still 192.9MB. Free memory was 136.5MB in the beginning and 136.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:47:03,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:06,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:06,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:47:06,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:06,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:06,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:06,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:06,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:06,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:06,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:06,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:06,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:06,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:06,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:06,691 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:47:06,691 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:47:06,692 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:47:06,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:06,693 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:06,694 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:06,695 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:06,695 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:06,696 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:06,696 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:47:06,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:06,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:06,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:06,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:06,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:06,699 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:47:06,701 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:06,701 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:06,701 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:47:06,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:47:06,702 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_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 [2023-11-21 18:47:07,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:07,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:07,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:07,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:07,280 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:07,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c [2023-11-21 18:47:10,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:11,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:11,008 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c [2023-11-21 18:47:11,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data/b4e773d72/7b7ffa285e4f4e069e415213c3ecfc48/FLAG5c3ebcc00 [2023-11-21 18:47:11,032 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/data/b4e773d72/7b7ffa285e4f4e069e415213c3ecfc48 [2023-11-21 18:47:11,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:11,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:11,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:11,038 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:11,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:11,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a9b7b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11, skipping insertion in model container [2023-11-21 18:47:11,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,078 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:11,271 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_c70c41b7-fbbc-4cfd-89a8-62713d585312/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2023-11-21 18:47:11,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:11,371 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:11,389 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_c70c41b7-fbbc-4cfd-89a8-62713d585312/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2023-11-21 18:47:11,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:11,456 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:11,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11 WrapperNode [2023-11-21 18:47:11,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:11,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:11,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:11,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:11,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,572 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-21 18:47:11,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:11,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:11,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:11,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:11,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,619 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:11,620 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:11,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:11,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:11,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:11" (1/1) ... [2023-11-21 18:47:11,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:11,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:11,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:11,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:47:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:11,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:11,833 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:11,835 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:12,119 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:12,173 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:12,173 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:47:12,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:12 BoogieIcfgContainer [2023-11-21 18:47:12,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:12,177 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:12,177 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:12,188 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:12,188 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:12" (1/1) ... [2023-11-21 18:47:12,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:12,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:47:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:47:12,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:12,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:12,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:12,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:12,275 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:12,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:47:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:12,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:12,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:47:12,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:12,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:12,802 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:12,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:12,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:12,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-21 18:47:12,921 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-21 18:47:12,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:47:12,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:12,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:12,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:12,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:12,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:47:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:13,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:13,105 WARN L260 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-21 18:47:13,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:13,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:13,764 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:13,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-21 18:47:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:14,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2023-11-21 18:47:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2023-11-21 18:47:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:47:14,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:14,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:14,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:14,208 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:14,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:47:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:14,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:14,414 WARN L260 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-21 18:47:14,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:15,197 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:15,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:16,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2023-11-21 18:47:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2023-11-21 18:47:16,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:47:16,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:16,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:16,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:16,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:47:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,810 WARN L260 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 99 conjunts are in the unsatisfiable core [2023-11-21 18:47:16,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:17,653 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:17,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-21 18:47:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-21 18:47:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-21 18:47:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:47:18,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:18,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:18,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:18,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:18,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:47:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:18,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:18,858 WARN L260 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 125 conjunts are in the unsatisfiable core [2023-11-21 18:47:18,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:19,779 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:19,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-21 18:47:21,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-21 18:47:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-21 18:47:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:21,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:21,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:21,175 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:21,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-21 18:47:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,571 WARN L260 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 151 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,684 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:22,687 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:22,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-21 18:47:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-21 18:47:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:47:24,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:24,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:24,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:24,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:24,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-21 18:47:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:24,433 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:24,542 WARN L260 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 177 conjunts are in the unsatisfiable core [2023-11-21 18:47:24,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:25,691 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:25,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2023-11-21 18:47:27,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2023-11-21 18:47:27,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:47:27,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:27,526 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:27,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-21 18:47:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,787 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,895 WARN L260 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 203 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:29,248 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:29,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2023-11-21 18:47:31,393 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2023-11-21 18:47:31,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:47:31,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:31,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:31,396 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:31,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-21 18:47:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,726 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,868 WARN L260 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 229 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:33,401 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:33,412 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:33,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-11-21 18:47:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2023-11-21 18:47:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2023-11-21 18:47:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:47:35,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:35,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:35,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:35,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:35,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-21 18:47:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:35,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:36,041 WARN L260 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 255 conjunts are in the unsatisfiable core [2023-11-21 18:47:36,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:37,648 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:37,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:40,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2023-11-21 18:47:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2023-11-21 18:47:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:47:40,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:40,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:40,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:40,192 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:40,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-21 18:47:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:40,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:40,679 WARN L260 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 281 conjunts are in the unsatisfiable core [2023-11-21 18:47:40,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:42,459 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:42,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-21 18:47:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2023-11-21 18:47:45,596 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2023-11-21 18:47:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:47:45,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:45,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:47:45,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:47:45,608 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:47:45,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-21 18:47:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:46,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:47:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:46,174 WARN L260 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 307 conjunts are in the unsatisfiable core [2023-11-21 18:47:46,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:48,293 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:48,297 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:47:48,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c70c41b7-fbbc-4cfd-89a8-62713d585312/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0