./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9 --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 dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:42:58,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:42:58,740 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:42:58,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:42:58,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:42:58,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:42:58,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:42:58,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:42:58,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:42:58,767 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:42:58,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:42:58,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:42:58,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:42:58,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:42:58,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:42:58,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:42:58,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:42:58,771 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:42:58,772 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:42:58,772 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:42:58,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:42:58,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:42:58,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:42:58,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:42:58,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:42:58,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:42:58,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:42:58,776 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:42:58,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:42:58,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:42:58,777 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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 [2023-12-03 04:42:58,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:42:59,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:42:59,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:42:59,016 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:42:59,016 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:42:59,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2023-12-03 04:43:01,774 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:43:02,000 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:43:02,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2023-12-03 04:43:02,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data/46bb3c61b/f0c06c1814ca4221a7272d1259cc2a7d/FLAGdfb3c6f4a [2023-12-03 04:43:02,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data/46bb3c61b/f0c06c1814ca4221a7272d1259cc2a7d [2023-12-03 04:43:02,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:43:02,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:43:02,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:02,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:43:02,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:43:02,039 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,040 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6914eafb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02, skipping insertion in model container [2023-12-03 04:43:02,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:43:02,230 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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2023-12-03 04:43:02,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:02,426 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:43:02,455 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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2023-12-03 04:43:02,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:02,570 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:43:02,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02 WrapperNode [2023-12-03 04:43:02,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:02,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:02,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:43:02,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:43:02,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,618 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,743 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1492 [2023-12-03 04:43:02,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:02,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:43:02,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:43:02,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:43:02,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:43:02,894 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:43:02,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:43:02,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:43:02,895 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:02" (1/1) ... [2023-12-03 04:43:02,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:02,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:43:02,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:43:02,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:43:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:43:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:43:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:43:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:03,156 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:03,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:05,273 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:06,752 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:06,752 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:43:06,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:06 BoogieIcfgContainer [2023-12-03 04:43:06,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:06,755 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:06,755 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:06,765 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:06,765 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:06" (1/1) ... [2023-12-03 04:43:06,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:06,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:06,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:43:06,826 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:43:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:43:06,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:06,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:43:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:07,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:08,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:43:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:43:09,422 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:43:09,459 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-12-03 04:43:09,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:43:09 ImpRootNode [2023-12-03 04:43:09,470 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:43:09,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:43:09,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:43:09,471 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:43:09,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:06" (3/4) ... [2023-12-03 04:43:09,474 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:43:09,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:43:09,476 INFO L158 Benchmark]: Toolchain (without parser) took 7442.72ms. Allocated memory was 148.9MB in the beginning and 304.1MB in the end (delta: 155.2MB). Free memory was 104.0MB in the beginning and 168.1MB in the end (delta: -64.1MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,476 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 100.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.78ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 200.4kB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.74ms. Allocated memory is still 148.9MB. Free memory was 103.8MB in the beginning and 76.4MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,478 INFO L158 Benchmark]: Boogie Preprocessor took 149.36ms. Allocated memory is still 148.9MB. Free memory was 76.4MB in the beginning and 65.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,479 INFO L158 Benchmark]: RCFGBuilder took 3859.96ms. Allocated memory was 148.9MB in the beginning and 230.7MB in the end (delta: 81.8MB). Free memory was 65.8MB in the beginning and 108.2MB in the end (delta: -42.5MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,480 INFO L158 Benchmark]: CodeCheck took 2714.91ms. Allocated memory was 230.7MB in the beginning and 304.1MB in the end (delta: 73.4MB). Free memory was 108.2MB in the beginning and 168.1MB in the end (delta: -59.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,481 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 304.1MB. Free memory was 168.1MB in the beginning and 168.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:43:09,485 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: 2.6s, 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: 0.1s SsaConstructionTime, 0.3s 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 126, overapproximation of bitwiseAnd at line 104. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L33] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L35] const SORT_1 var_11 = 0; [L36] const SORT_5 var_45 = 1; [L37] const SORT_1 var_49 = 1; [L38] const SORT_5 var_60 = 0; [L39] const SORT_3 var_81 = 0; [L40] const SORT_3 var_90 = 1; [L41] const SORT_3 var_99 = 2; [L42] const SORT_3 var_108 = 3; [L44] SORT_1 input_2; [L45] SORT_3 input_4; [L46] SORT_5 input_6; [L47] SORT_1 input_7; [L48] SORT_3 input_8; [L49] SORT_3 input_9; [L50] SORT_5 input_10; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L52] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L53] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L54] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L56] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L56] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L57] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L58] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L58] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L59] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L60] SORT_5 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L61] SORT_5 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L62] SORT_5 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L63] SORT_5 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L64] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L65] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L66] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 init_13_arg_1 = var_11; [L70] state_12 = init_13_arg_1 [L71] SORT_1 init_16_arg_1 = var_11; [L72] state_15 = init_16_arg_1 [L73] SORT_1 init_21_arg_1 = var_11; [L74] state_20 = init_21_arg_1 [L75] SORT_1 init_27_arg_1 = var_11; [L76] state_26 = init_27_arg_1 [L77] SORT_1 init_51_arg_1 = var_49; [L78] state_50 = init_51_arg_1 [L79] SORT_1 init_53_arg_1 = var_11; [L80] state_52 = init_53_arg_1 [L81] SORT_1 init_55_arg_1 = var_11; [L82] state_54 = init_55_arg_1 [L83] SORT_1 init_57_arg_1 = var_11; [L84] state_56 = init_57_arg_1 [L85] SORT_5 init_59_arg_1 = var_45; [L86] state_58 = init_59_arg_1 [L87] SORT_5 init_62_arg_1 = var_60; [L88] state_61 = init_62_arg_1 [L89] SORT_5 init_64_arg_1 = var_60; [L90] state_63 = init_64_arg_1 [L91] SORT_5 init_66_arg_1 = var_60; [L92] state_65 = init_66_arg_1 [L93] SORT_1 init_69_arg_1 = var_11; [L94] state_68 = init_69_arg_1 [L95] SORT_1 init_71_arg_1 = var_11; [L96] state_70 = init_71_arg_1 [L97] SORT_1 init_73_arg_1 = var_11; [L98] state_72 = init_73_arg_1 [L99] SORT_1 init_75_arg_1 = var_11; [L100] state_74 = init_75_arg_1 VAL [init_13_arg_1=0, init_16_arg_1=0, init_21_arg_1=0, init_27_arg_1=0, init_51_arg_1=1, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=1, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, mask_SORT_1=255, mask_SORT_3=3, mask_SORT_5=1, msb_SORT_1=128, msb_SORT_3=2, msb_SORT_5=1, state_12=0, state_15=0, state_20=0, state_26=0, state_50=1, state_52=0, state_54=0, state_56=0, state_58=1, state_61=0, state_63=0, state_65=0, state_68=0, state_70=0, state_72=0, state_74=0, var_108=3, var_11=0, var_45=1, var_49=1, var_60=0, var_81=0, var_90=1, var_99=2] [L103] input_2 = __VERIFIER_nondet_uchar() [L104] EXPR input_2 & mask_SORT_1 [L104] input_2 = input_2 & mask_SORT_1 [L105] input_4 = __VERIFIER_nondet_uchar() [L106] EXPR input_4 & mask_SORT_3 [L106] input_4 = input_4 & mask_SORT_3 [L107] input_6 = __VERIFIER_nondet_uchar() [L108] input_7 = __VERIFIER_nondet_uchar() [L109] EXPR input_7 & mask_SORT_1 [L109] input_7 = input_7 & mask_SORT_1 [L110] input_8 = __VERIFIER_nondet_uchar() [L111] EXPR input_8 & mask_SORT_3 [L111] input_8 = input_8 & mask_SORT_3 [L112] input_9 = __VERIFIER_nondet_uchar() [L113] EXPR input_9 & mask_SORT_3 [L113] input_9 = input_9 & mask_SORT_3 [L114] input_10 = __VERIFIER_nondet_uchar() [L115] EXPR input_10 & mask_SORT_5 [L115] input_10 = input_10 & mask_SORT_5 [L118] SORT_1 var_14_arg_0 = state_12; [L119] SORT_1 var_14_arg_1 = var_11; [L120] SORT_5 var_14 = var_14_arg_0 == var_14_arg_1; [L121] SORT_1 var_17_arg_0 = state_12; [L122] SORT_1 var_17_arg_1 = state_15; [L123] SORT_5 var_17 = var_17_arg_0 != var_17_arg_1; [L124] SORT_5 var_18_arg_0 = var_14; [L125] SORT_5 var_18_arg_1 = var_17; [L126] EXPR var_18_arg_0 | var_18_arg_1 [L126] SORT_5 var_18 = var_18_arg_0 | var_18_arg_1; [L127] SORT_1 var_19_arg_0 = state_12; [L128] SORT_1 var_19_arg_1 = var_11; [L129] SORT_5 var_19 = var_19_arg_0 == var_19_arg_1; [L130] SORT_1 var_22_arg_0 = state_12; [L131] SORT_1 var_22_arg_1 = state_20; [L132] SORT_5 var_22 = var_22_arg_0 != var_22_arg_1; [L133] SORT_5 var_23_arg_0 = var_19; [L134] SORT_5 var_23_arg_1 = var_22; [L135] EXPR var_23_arg_0 | var_23_arg_1 [L135] SORT_5 var_23 = var_23_arg_0 | var_23_arg_1; [L136] SORT_5 var_24_arg_0 = var_18; [L137] SORT_5 var_24_arg_1 = var_23; [L138] EXPR var_24_arg_0 & var_24_arg_1 [L138] SORT_5 var_24 = var_24_arg_0 & var_24_arg_1; [L139] SORT_1 var_25_arg_0 = state_12; [L140] SORT_1 var_25_arg_1 = var_11; [L141] SORT_5 var_25 = var_25_arg_0 == var_25_arg_1; [L142] SORT_1 var_28_arg_0 = state_12; [L143] SORT_1 var_28_arg_1 = state_26; [L144] SORT_5 var_28 = var_28_arg_0 != var_28_arg_1; [L145] SORT_5 var_29_arg_0 = var_25; [L146] SORT_5 var_29_arg_1 = var_28; [L147] EXPR var_29_arg_0 | var_29_arg_1 [L147] SORT_5 var_29 = var_29_arg_0 | var_29_arg_1; [L148] SORT_5 var_30_arg_0 = var_24; [L149] SORT_5 var_30_arg_1 = var_29; [L150] EXPR var_30_arg_0 & var_30_arg_1 [L150] SORT_5 var_30 = var_30_arg_0 & var_30_arg_1; [L151] SORT_1 var_31_arg_0 = state_15; [L152] SORT_1 var_31_arg_1 = var_11; [L153] SORT_5 var_31 = var_31_arg_0 == var_31_arg_1; [L154] SORT_1 var_32_arg_0 = state_15; [L155] SORT_1 var_32_arg_1 = state_20; [L156] SORT_5 var_32 = var_32_arg_0 != var_32_arg_1; [L157] SORT_5 var_33_arg_0 = var_31; [L158] SORT_5 var_33_arg_1 = var_32; [L159] EXPR var_33_arg_0 | var_33_arg_1 [L159] SORT_5 var_33 = var_33_arg_0 | var_33_arg_1; [L160] SORT_5 var_34_arg_0 = var_30; [L161] SORT_5 var_34_arg_1 = var_33; [L162] EXPR var_34_arg_0 & var_34_arg_1 [L162] SORT_5 var_34 = var_34_arg_0 & var_34_arg_1; [L163] SORT_1 var_35_arg_0 = state_15; [L164] SORT_1 var_35_arg_1 = var_11; [L165] SORT_5 var_35 = var_35_arg_0 == var_35_arg_1; [L166] SORT_1 var_36_arg_0 = state_15; [L167] SORT_1 var_36_arg_1 = state_26; [L168] SORT_5 var_36 = var_36_arg_0 != var_36_arg_1; [L169] SORT_5 var_37_arg_0 = var_35; [L170] SORT_5 var_37_arg_1 = var_36; [L171] EXPR var_37_arg_0 | var_37_arg_1 [L171] SORT_5 var_37 = var_37_arg_0 | var_37_arg_1; [L172] SORT_5 var_38_arg_0 = var_34; [L173] SORT_5 var_38_arg_1 = var_37; [L174] EXPR var_38_arg_0 & var_38_arg_1 [L174] SORT_5 var_38 = var_38_arg_0 & var_38_arg_1; [L175] SORT_1 var_39_arg_0 = state_20; [L176] SORT_1 var_39_arg_1 = var_11; [L177] SORT_5 var_39 = var_39_arg_0 == var_39_arg_1; [L178] SORT_1 var_40_arg_0 = state_20; [L179] SORT_1 var_40_arg_1 = state_26; [L180] SORT_5 var_40 = var_40_arg_0 != var_40_arg_1; [L181] SORT_5 var_41_arg_0 = var_39; [L182] SORT_5 var_41_arg_1 = var_40; [L183] EXPR var_41_arg_0 | var_41_arg_1 [L183] SORT_5 var_41 = var_41_arg_0 | var_41_arg_1; [L184] SORT_5 var_42_arg_0 = var_38; [L185] SORT_5 var_42_arg_1 = var_41; [L186] EXPR var_42_arg_0 & var_42_arg_1 [L186] SORT_5 var_42 = var_42_arg_0 & var_42_arg_1; [L187] SORT_5 var_46_arg_0 = var_42; [L188] SORT_5 var_46 = ~var_46_arg_0; [L189] SORT_5 var_47_arg_0 = var_45; [L190] SORT_5 var_47_arg_1 = var_46; [L191] EXPR var_47_arg_0 & var_47_arg_1 [L191] SORT_5 var_47 = var_47_arg_0 & var_47_arg_1; [L192] EXPR var_47 & mask_SORT_5 [L192] var_47 = var_47 & mask_SORT_5 [L193] SORT_5 bad_48_arg_0 = var_47; [L194] CALL __VERIFIER_assert(!(bad_48_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 0.18ms. Allocated memory is still 107.0MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 100.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.78ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 103.8MB in the end (delta: 200.4kB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 171.74ms. Allocated memory is still 148.9MB. Free memory was 103.8MB in the beginning and 76.4MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 149.36ms. Allocated memory is still 148.9MB. Free memory was 76.4MB in the beginning and 65.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3859.96ms. Allocated memory was 148.9MB in the beginning and 230.7MB in the end (delta: 81.8MB). Free memory was 65.8MB in the beginning and 108.2MB in the end (delta: -42.5MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * CodeCheck took 2714.91ms. Allocated memory was 230.7MB in the beginning and 304.1MB in the end (delta: 73.4MB). Free memory was 108.2MB in the beginning and 168.1MB in the end (delta: -59.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 304.1MB. Free memory was 168.1MB in the beginning and 168.1MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:43:09,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9 --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 dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:43:11,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:43:11,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:43:11,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:43:11,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:43:11,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:43:11,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:43:11,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:43:11,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:43:11,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:43:11,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:43:11,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:43:11,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:43:11,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:43:11,511 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:43:11,512 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:43:11,512 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:43:11,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:43:11,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:43:11,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:43:11,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:43:11,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:43:11,516 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:11,516 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:43:11,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:43:11,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:11,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:43:11,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:43:11,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:43:11,519 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:43:11,519 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:11,520 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:43:11,520 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:43:11,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:43:11,520 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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc77f8e7fc201c8766f52fe3e014d6c5c37e220387f85127552a419acc9259b5 [2023-12-03 04:43:11,808 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:43:11,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:43:11,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:43:11,830 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:43:11,831 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:43:11,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2023-12-03 04:43:14,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:43:14,766 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:43:14,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c [2023-12-03 04:43:14,784 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data/031698fd4/9dc753a8fd9040e6895f5bf1837bf3b7/FLAG23306db41 [2023-12-03 04:43:14,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/data/031698fd4/9dc753a8fd9040e6895f5bf1837bf3b7 [2023-12-03 04:43:14,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:43:14,808 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:43:14,809 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:14,810 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:43:14,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:43:14,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:14" (1/1) ... [2023-12-03 04:43:14,816 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed11598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:14, skipping insertion in model container [2023-12-03 04:43:14,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:43:14" (1/1) ... [2023-12-03 04:43:14,875 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:43:15,049 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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2023-12-03 04:43:15,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:15,270 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:43:15,280 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_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.toy_lock_4.c[1250,1263] [2023-12-03 04:43:15,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:43:15,365 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:43:15,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15 WrapperNode [2023-12-03 04:43:15,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:43:15,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:15,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:43:15,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:43:15,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,470 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 902 [2023-12-03 04:43:15,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:43:15,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:43:15,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:43:15,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:43:15,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,491 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:43:15,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:43:15,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:43:15,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:43:15,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:43:15" (1/1) ... [2023-12-03 04:43:15,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:43:15,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:43:15,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:43:15,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:43:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:43:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:43:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:43:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:43:15,843 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:43:15,845 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:43:16,847 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:43:16,905 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:43:16,905 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:43:16,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:16 BoogieIcfgContainer [2023-12-03 04:43:16,907 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:43:16,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:43:16,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:43:16,915 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:43:16,915 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:43:16" (1/1) ... [2023-12-03 04:43:16,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:43:16,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:16,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:43:16,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:43:16,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:43:16,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:16,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:16,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:17,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:17,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:43:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:17,397 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:17,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 60 conjunts are in the unsatisfiable core [2023-12-03 04:43:17,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:18,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:18,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:18,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:43:18,480 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:43:18,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:43:18,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:18,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:18,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:18,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:18,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:43:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:19,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:19,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 118 conjunts are in the unsatisfiable core [2023-12-03 04:43:19,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:20,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:43:20,789 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:43:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-12-03 04:43:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-12-03 04:43:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:43:21,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:21,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:21,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:21,451 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:21,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:43:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:23,436 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:23,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 1615 conjuncts, 207 conjunts are in the unsatisfiable core [2023-12-03 04:43:23,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:43:26,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:43:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2023-12-03 04:43:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2023-12-03 04:43:29,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:43:29,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:29,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:29,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:29,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:29,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:43:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:34,374 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:37,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 2351 conjuncts, 844 conjunts are in the unsatisfiable core [2023-12-03 04:43:37,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:44:42,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:44:47,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:47,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 26 states and 55 transitions. [2023-12-03 04:44:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 55 transitions. [2023-12-03 04:44:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 04:44:47,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:47,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:47,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:47,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:47,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:44:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:52,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:57,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 2351 conjuncts, 998 conjunts are in the unsatisfiable core [2023-12-03 04:44:57,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:50,026 WARN L293 SmtUtils]: Spent 16.42s on a formula simplification. DAG size of input: 1709 DAG size of output: 257 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-03 04:48:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:48:41,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:49:06,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:06,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 33 states and 78 transitions. [2023-12-03 04:49:06,256 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 78 transitions. [2023-12-03 04:49:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 04:49:06,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:06,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:06,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:06,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:06,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:49:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:34,284 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:49:44,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:49:44,760 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:49:44,764 INFO L158 Benchmark]: Toolchain (without parser) took 389956.04ms. Allocated memory was 77.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 53.0MB in the beginning and 591.0MB in the end (delta: -538.0MB). Peak memory consumption was 538.6MB. Max. memory is 16.1GB. [2023-12-03 04:49:44,764 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:49:44,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.99ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 52.8MB in the beginning and 63.1MB in the end (delta: -10.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-12-03 04:49:44,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.34ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 55.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 04:49:44,766 INFO L158 Benchmark]: Boogie Preprocessor took 93.50ms. Allocated memory is still 102.8MB. Free memory was 55.2MB in the beginning and 75.3MB in the end (delta: -20.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-12-03 04:49:44,766 INFO L158 Benchmark]: RCFGBuilder took 1341.61ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 39.1MB in the end (delta: 36.2MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-12-03 04:49:44,767 INFO L158 Benchmark]: CodeCheck took 387855.51ms. Allocated memory was 102.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 39.1MB in the beginning and 591.0MB in the end (delta: -551.9MB). Peak memory consumption was 496.9MB. Max. memory is 16.1GB. [2023-12-03 04:49:44,770 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 77.6MB. Free memory is still 53.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.99ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 52.8MB in the beginning and 63.1MB in the end (delta: -10.3MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.34ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 55.2MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.50ms. Allocated memory is still 102.8MB. Free memory was 55.2MB in the beginning and 75.3MB in the end (delta: -20.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1341.61ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 39.1MB in the end (delta: 36.2MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * CodeCheck took 387855.51ms. Allocated memory was 102.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 39.1MB in the beginning and 591.0MB in the end (delta: -551.9MB). Peak memory consumption was 496.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:49:44,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dcc0018-f332-4eba-aaa8-c05e6b46c4a1/bin/ukojak-verify-Qdu7aM0XO9/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown