./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/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_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/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_c49702bd-43e1-4f4d-8eea-a5269feb9832/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 a68330c23bd8fa71b4f2c1a72229a125c9c545dc64c1e4d5015a2916cb213688 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:56,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:56,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:52:56,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:56,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:56,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:56,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:56,694 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:56,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:56,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:56,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:56,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:56,698 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:56,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:56,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:56,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:56,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:56,701 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:56,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:56,702 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:56,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:56,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:56,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:56,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:56,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:56,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:56,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:56,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:56,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:56,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:56,708 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_c49702bd-43e1-4f4d-8eea-a5269feb9832/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a68330c23bd8fa71b4f2c1a72229a125c9c545dc64c1e4d5015a2916cb213688 [2023-11-21 18:52:56,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:57,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:57,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:57,021 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:57,021 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:57,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2023-11-21 18:53:00,217 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:00,544 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:00,550 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2023-11-21 18:53:00,568 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data/740f5203e/88c4eab8e5b341248bcb872c860ab485/FLAG8a2eb7bad [2023-11-21 18:53:00,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data/740f5203e/88c4eab8e5b341248bcb872c860ab485 [2023-11-21 18:53:00,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:00,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:00,590 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:00,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:00,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:00,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:00" (1/1) ... [2023-11-21 18:53:00,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35045d98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:00, skipping insertion in model container [2023-11-21 18:53:00,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:00" (1/1) ... [2023-11-21 18:53:00,668 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:00,859 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_c49702bd-43e1-4f4d-8eea-a5269feb9832/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1246,1259] [2023-11-21 18:53:01,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:01,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:01,313 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_c49702bd-43e1-4f4d-8eea-a5269feb9832/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1246,1259] [2023-11-21 18:53:01,460 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:01,476 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:01,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01 WrapperNode [2023-11-21 18:53:01,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:01,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:01,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:01,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:01,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,547 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,730 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1928 [2023-11-21 18:53:01,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:01,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:01,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:01,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:01,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,834 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,905 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:01,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:02,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:02,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:02,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:02,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:02,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:01" (1/1) ... [2023-11-21 18:53:02,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:02,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:02,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:02,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:02,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:02,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:02,513 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:02,516 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:03,883 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:06,966 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:06,966 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:06,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:06 BoogieIcfgContainer [2023-11-21 18:53:06,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:06,969 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:06,969 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:06,980 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:06,981 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:06" (1/1) ... [2023-11-21 18:53:06,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:07,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:53:07,049 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:53:07,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:53:07,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:07,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:53:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:08,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:53:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:53:08,470 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:53:08,529 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:53:08,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:53:08 ImpRootNode [2023-11-21 18:53:08,556 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:53:08,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:53:08,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:53:08,560 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:53:08,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:06" (3/4) ... [2023-11-21 18:53:08,564 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:53:08,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:53:08,567 INFO L158 Benchmark]: Toolchain (without parser) took 7977.27ms. Allocated memory was 127.9MB in the beginning and 629.1MB in the end (delta: 501.2MB). Free memory was 80.7MB in the beginning and 450.1MB in the end (delta: -369.4MB). Peak memory consumption was 134.9MB. Max. memory is 16.1GB. [2023-11-21 18:53:08,568 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:08,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.36ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 80.3MB in the beginning and 112.6MB in the end (delta: -32.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-21 18:53:08,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 252.57ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 82.9MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 18:53:08,571 INFO L158 Benchmark]: Boogie Preprocessor took 328.94ms. Allocated memory is still 167.8MB. Free memory was 82.9MB in the beginning and 110.0MB in the end (delta: -27.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:08,573 INFO L158 Benchmark]: RCFGBuilder took 4906.94ms. Allocated memory was 167.8MB in the beginning and 629.1MB in the end (delta: 461.4MB). Free memory was 110.0MB in the beginning and 527.7MB in the end (delta: -417.8MB). Peak memory consumption was 213.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:08,574 INFO L158 Benchmark]: CodeCheck took 1586.85ms. Allocated memory is still 629.1MB. Free memory was 527.7MB in the beginning and 451.2MB in the end (delta: 76.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-11-21 18:53:08,575 INFO L158 Benchmark]: Witness Printer took 7.61ms. Allocated memory is still 629.1MB. Free memory was 451.2MB in the beginning and 450.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:08,587 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: 1.5s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 295, overapproximation of bitwiseAnd at line 192. 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_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L30] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L32] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 32); [L33] const SORT_16 msb_SORT_16 = (SORT_16)1 << (32 - 1); [L35] const SORT_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 7); [L36] const SORT_32 msb_SORT_32 = (SORT_32)1 << (7 - 1); [L38] const SORT_40 mask_SORT_40 = (SORT_40)-1 >> (sizeof(SORT_40) * 8 - 9); [L39] const SORT_40 msb_SORT_40 = (SORT_40)1 << (9 - 1); [L41] const SORT_60 mask_SORT_60 = (SORT_60)-1 >> (sizeof(SORT_60) * 8 - 20); [L42] const SORT_60 msb_SORT_60 = (SORT_60)1 << (20 - 1); [L44] const SORT_357 mask_SORT_357 = (SORT_357)-1 >> (sizeof(SORT_357) * 8 - 2); [L45] const SORT_357 msb_SORT_357 = (SORT_357)1 << (2 - 1); [L47] const SORT_359 mask_SORT_359 = (SORT_359)-1 >> (sizeof(SORT_359) * 8 - 3); [L48] const SORT_359 msb_SORT_359 = (SORT_359)1 << (3 - 1); [L50] const SORT_1 var_13 = 0; [L51] const SORT_16 var_18 = 1; [L52] const SORT_16 var_23 = 0; [L53] const SORT_1 var_28 = 1; [L54] const SORT_32 var_33 = 0; [L55] const SORT_40 var_41 = 0; [L56] const SORT_10 var_48 = 0; [L57] const SORT_16 var_67 = 31; [L58] const SORT_16 var_71 = 32; [L59] const SORT_10 var_74 = 3; [L60] const SORT_16 var_90 = 2; [L61] const SORT_10 var_96 = 5; [L62] const SORT_10 var_117 = 7; [L63] const SORT_10 var_136 = 9; [L64] const SORT_32 var_233 = 4; [L65] const SORT_10 var_235 = 2; [L66] const SORT_32 var_254 = 1; [L67] const SORT_16 var_256 = 191; [L68] const SORT_10 var_259 = 6; [L69] const SORT_10 var_282 = 4; [L70] const SORT_10 var_307 = 8; [L71] const SORT_40 var_315 = 1; [L72] const SORT_10 var_321 = 10; [L73] const SORT_10 var_329 = 1; [L75] SORT_1 input_2; [L76] SORT_1 input_3; [L77] SORT_1 input_4; [L78] SORT_1 input_5; [L79] SORT_1 input_6; [L80] SORT_1 input_7; [L81] SORT_1 input_8; [L82] SORT_1 input_9; [L83] SORT_10 input_11; [L84] SORT_10 input_12; [L85] SORT_1 input_38; [L86] SORT_1 input_44; [L87] SORT_1 input_46; [L88] SORT_1 input_52; [L89] SORT_1 input_54; [L90] SORT_1 input_56; [L91] SORT_1 input_58; [L92] SORT_60 input_61; [L93] SORT_1 input_63; [L94] SORT_1 input_64; [L95] SORT_1 input_65; [L96] SORT_1 input_77; [L97] SORT_1 input_82; [L98] SORT_1 input_86; [L99] SORT_1 input_87; [L100] SORT_1 input_88; [L101] SORT_1 input_99; [L102] SORT_1 input_104; [L103] SORT_1 input_108; [L104] SORT_1 input_109; [L105] SORT_1 input_110; [L106] SORT_1 input_120; [L107] SORT_1 input_125; [L108] SORT_1 input_127; [L109] SORT_1 input_128; [L110] SORT_1 input_129; [L111] SORT_1 input_139; [L112] SORT_1 input_144; [L113] SORT_1 input_151; [L114] SORT_1 input_155; [L115] SORT_1 input_156; [L116] SORT_1 input_157; [L117] SORT_1 input_164; [L118] SORT_1 input_169; [L119] SORT_1 input_173; [L120] SORT_1 input_174; [L121] SORT_1 input_175; [L122] SORT_1 input_182; [L123] SORT_1 input_187; [L124] SORT_1 input_191; [L125] SORT_1 input_192; [L126] SORT_1 input_193; [L127] SORT_1 input_200; [L128] SORT_1 input_205; [L129] SORT_1 input_207; [L130] SORT_1 input_208; [L131] SORT_1 input_209; [L132] SORT_1 input_216; [L133] SORT_1 input_221; [L134] SORT_1 input_228; [L135] SORT_32 input_232; [L136] SORT_32 input_238; [L137] SORT_32 input_242; [L138] SORT_32 input_249; [L139] SORT_32 input_253; [L140] SORT_32 input_262; [L141] SORT_32 input_264; [L142] SORT_32 input_271; [L143] SORT_32 input_278; [L144] SORT_32 input_285; [L145] SORT_32 input_292; [L146] SORT_32 input_296; [L147] SORT_32 input_303; [L148] SORT_32 input_311; [L149] SORT_40 input_324; [L150] SORT_10 input_328; [L151] SORT_10 input_334; [L152] SORT_10 input_340; [L153] SORT_10 input_344; [L154] SORT_10 input_346; [L155] SORT_10 input_350; [L156] SORT_10 input_363; [L157] SORT_10 input_367; [L158] SORT_10 input_369; [L159] SORT_10 input_373; [L160] SORT_10 input_377; [L161] SORT_10 input_381; [L162] SORT_10 input_385; [L163] SORT_10 input_389; [L164] SORT_10 input_406; [L166] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L166] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L167] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L167] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L168] EXPR __VERIFIER_nondet_uchar() & mask_SORT_32 [L168] SORT_32 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_32; [L169] EXPR __VERIFIER_nondet_uchar() & mask_SORT_32 [L169] SORT_32 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_32; [L170] EXPR __VERIFIER_nondet_ushort() & mask_SORT_40 [L170] SORT_40 state_42 = __VERIFIER_nondet_ushort() & mask_SORT_40; [L171] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 [L171] SORT_10 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L173] SORT_1 init_15_arg_1 = var_13; [L174] state_14 = init_15_arg_1 [L175] SORT_1 init_21_arg_1 = var_13; [L176] state_20 = init_21_arg_1 [L177] SORT_32 init_35_arg_1 = var_33; [L178] state_34 = init_35_arg_1 [L179] SORT_32 init_37_arg_1 = var_33; [L180] state_36 = init_37_arg_1 [L181] SORT_40 init_43_arg_1 = var_41; [L182] state_42 = init_43_arg_1 [L183] SORT_10 init_50_arg_1 = var_48; [L184] state_49 = init_50_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_1=1, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=1048575, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_1=1, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_136=9, var_13=0, var_18=1, var_233=4, var_235=2, var_23=0, var_254=1, var_256=191, var_259=6, var_282=4, var_28=1, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L187] input_2 = __VERIFIER_nondet_uchar() [L188] input_3 = __VERIFIER_nondet_uchar() [L189] input_4 = __VERIFIER_nondet_uchar() [L190] input_5 = __VERIFIER_nondet_uchar() [L191] input_6 = __VERIFIER_nondet_uchar() [L192] EXPR input_6 & mask_SORT_1 [L192] input_6 = input_6 & mask_SORT_1 [L193] input_7 = __VERIFIER_nondet_uchar() [L194] input_8 = __VERIFIER_nondet_uchar() [L195] input_9 = __VERIFIER_nondet_uchar() [L196] EXPR input_9 & mask_SORT_1 [L196] input_9 = input_9 & mask_SORT_1 [L197] input_11 = __VERIFIER_nondet_uchar() [L198] input_12 = __VERIFIER_nondet_uchar() [L199] input_38 = __VERIFIER_nondet_uchar() [L200] input_44 = __VERIFIER_nondet_uchar() [L201] input_46 = __VERIFIER_nondet_uchar() [L202] input_52 = __VERIFIER_nondet_uchar() [L203] input_54 = __VERIFIER_nondet_uchar() [L204] input_56 = __VERIFIER_nondet_uchar() [L205] input_58 = __VERIFIER_nondet_uchar() [L206] input_61 = __VERIFIER_nondet_uint() [L207] input_63 = __VERIFIER_nondet_uchar() [L208] input_64 = __VERIFIER_nondet_uchar() [L209] input_65 = __VERIFIER_nondet_uchar() [L210] input_77 = __VERIFIER_nondet_uchar() [L211] input_82 = __VERIFIER_nondet_uchar() [L212] input_86 = __VERIFIER_nondet_uchar() [L213] input_87 = __VERIFIER_nondet_uchar() [L214] input_88 = __VERIFIER_nondet_uchar() [L215] input_99 = __VERIFIER_nondet_uchar() [L216] input_104 = __VERIFIER_nondet_uchar() [L217] input_108 = __VERIFIER_nondet_uchar() [L218] input_109 = __VERIFIER_nondet_uchar() [L219] input_110 = __VERIFIER_nondet_uchar() [L220] input_120 = __VERIFIER_nondet_uchar() [L221] input_125 = __VERIFIER_nondet_uchar() [L222] input_127 = __VERIFIER_nondet_uchar() [L223] input_128 = __VERIFIER_nondet_uchar() [L224] input_129 = __VERIFIER_nondet_uchar() [L225] input_139 = __VERIFIER_nondet_uchar() [L226] input_144 = __VERIFIER_nondet_uchar() [L227] input_151 = __VERIFIER_nondet_uchar() [L228] input_155 = __VERIFIER_nondet_uchar() [L229] input_156 = __VERIFIER_nondet_uchar() [L230] input_157 = __VERIFIER_nondet_uchar() [L231] input_164 = __VERIFIER_nondet_uchar() [L232] input_169 = __VERIFIER_nondet_uchar() [L233] input_173 = __VERIFIER_nondet_uchar() [L234] input_174 = __VERIFIER_nondet_uchar() [L235] input_175 = __VERIFIER_nondet_uchar() [L236] input_182 = __VERIFIER_nondet_uchar() [L237] input_187 = __VERIFIER_nondet_uchar() [L238] input_191 = __VERIFIER_nondet_uchar() [L239] input_192 = __VERIFIER_nondet_uchar() [L240] input_193 = __VERIFIER_nondet_uchar() [L241] input_200 = __VERIFIER_nondet_uchar() [L242] input_205 = __VERIFIER_nondet_uchar() [L243] input_207 = __VERIFIER_nondet_uchar() [L244] input_208 = __VERIFIER_nondet_uchar() [L245] input_209 = __VERIFIER_nondet_uchar() [L246] input_216 = __VERIFIER_nondet_uchar() [L247] input_221 = __VERIFIER_nondet_uchar() [L248] input_228 = __VERIFIER_nondet_uchar() [L249] input_232 = __VERIFIER_nondet_uchar() [L250] input_238 = __VERIFIER_nondet_uchar() [L251] input_242 = __VERIFIER_nondet_uchar() [L252] input_249 = __VERIFIER_nondet_uchar() [L253] input_253 = __VERIFIER_nondet_uchar() [L254] input_262 = __VERIFIER_nondet_uchar() [L255] input_264 = __VERIFIER_nondet_uchar() [L256] input_271 = __VERIFIER_nondet_uchar() [L257] input_278 = __VERIFIER_nondet_uchar() [L258] input_285 = __VERIFIER_nondet_uchar() [L259] input_292 = __VERIFIER_nondet_uchar() [L260] input_296 = __VERIFIER_nondet_uchar() [L261] input_303 = __VERIFIER_nondet_uchar() [L262] input_311 = __VERIFIER_nondet_uchar() [L263] input_324 = __VERIFIER_nondet_ushort() [L264] input_328 = __VERIFIER_nondet_uchar() [L265] input_334 = __VERIFIER_nondet_uchar() [L266] input_340 = __VERIFIER_nondet_uchar() [L267] input_344 = __VERIFIER_nondet_uchar() [L268] input_346 = __VERIFIER_nondet_uchar() [L269] input_350 = __VERIFIER_nondet_uchar() [L270] input_363 = __VERIFIER_nondet_uchar() [L271] input_367 = __VERIFIER_nondet_uchar() [L272] input_369 = __VERIFIER_nondet_uchar() [L273] input_373 = __VERIFIER_nondet_uchar() [L274] input_377 = __VERIFIER_nondet_uchar() [L275] input_381 = __VERIFIER_nondet_uchar() [L276] input_385 = __VERIFIER_nondet_uchar() [L277] input_389 = __VERIFIER_nondet_uchar() [L278] input_406 = __VERIFIER_nondet_uchar() [L281] SORT_1 var_17_arg_0 = state_14; [L282] EXPR var_17_arg_0 & mask_SORT_1 [L282] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L283] SORT_16 var_17 = var_17_arg_0; [L284] SORT_16 var_19_arg_0 = var_17; [L285] SORT_16 var_19_arg_1 = var_18; [L286] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L287] SORT_1 var_22_arg_0 = state_20; [L288] EXPR var_22_arg_0 & mask_SORT_1 [L288] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 [L289] SORT_16 var_22 = var_22_arg_0; [L290] SORT_16 var_24_arg_0 = var_22; [L291] SORT_16 var_24_arg_1 = var_23; [L292] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L293] SORT_1 var_25_arg_0 = var_19; [L294] SORT_1 var_25_arg_1 = var_24; [L295] EXPR var_25_arg_0 | var_25_arg_1 [L295] SORT_1 var_25 = var_25_arg_0 | var_25_arg_1; [L296] SORT_1 var_29_arg_0 = var_25; [L297] SORT_1 var_29 = ~var_29_arg_0; [L298] SORT_1 var_30_arg_0 = var_28; [L299] SORT_1 var_30_arg_1 = var_29; [L300] EXPR var_30_arg_0 & var_30_arg_1 [L300] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L301] EXPR var_30 & mask_SORT_1 [L301] var_30 = var_30 & mask_SORT_1 [L302] SORT_1 bad_31_arg_0 = var_30; [L303] CALL __VERIFIER_assert(!(bad_31_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 0.23ms. Allocated memory is still 127.9MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.36ms. Allocated memory was 127.9MB in the beginning and 167.8MB in the end (delta: 39.8MB). Free memory was 80.3MB in the beginning and 112.6MB in the end (delta: -32.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 252.57ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 82.9MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 328.94ms. Allocated memory is still 167.8MB. Free memory was 82.9MB in the beginning and 110.0MB in the end (delta: -27.1MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4906.94ms. Allocated memory was 167.8MB in the beginning and 629.1MB in the end (delta: 461.4MB). Free memory was 110.0MB in the beginning and 527.7MB in the end (delta: -417.8MB). Peak memory consumption was 213.1MB. Max. memory is 16.1GB. * CodeCheck took 1586.85ms. Allocated memory is still 629.1MB. Free memory was 527.7MB in the beginning and 451.2MB in the end (delta: 76.5MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. * Witness Printer took 7.61ms. Allocated memory is still 629.1MB. Free memory was 451.2MB in the beginning and 450.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:53:08,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/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_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/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_c49702bd-43e1-4f4d-8eea-a5269feb9832/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 a68330c23bd8fa71b4f2c1a72229a125c9c545dc64c1e4d5015a2916cb213688 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:11,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:11,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:53:11,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:11,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:11,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:11,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:11,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:11,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:11,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:11,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:11,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:11,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:11,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:11,636 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:53:11,636 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:53:11,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:53:11,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:11,638 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:11,638 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:11,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:11,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:11,640 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:11,640 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:53:11,641 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:11,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:11,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:11,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:11,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:11,643 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:53:11,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:11,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:11,645 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:53:11,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:53:11,646 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_c49702bd-43e1-4f4d-8eea-a5269feb9832/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a68330c23bd8fa71b4f2c1a72229a125c9c545dc64c1e4d5015a2916cb213688 [2023-11-21 18:53:12,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:12,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:12,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:12,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:12,089 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:12,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2023-11-21 18:53:15,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:15,695 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:15,696 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2023-11-21 18:53:15,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data/1e41c8342/2fac7963549e421db1eb67a8fa6cb40c/FLAG0a56ace84 [2023-11-21 18:53:15,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/data/1e41c8342/2fac7963549e421db1eb67a8fa6cb40c [2023-11-21 18:53:15,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:15,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:15,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:15,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:15,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:15,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:15" (1/1) ... [2023-11-21 18:53:15,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b309e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:15, skipping insertion in model container [2023-11-21 18:53:15,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:15" (1/1) ... [2023-11-21 18:53:15,810 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:16,042 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_c49702bd-43e1-4f4d-8eea-a5269feb9832/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1246,1259] [2023-11-21 18:53:16,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:16,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:16,459 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_c49702bd-43e1-4f4d-8eea-a5269feb9832/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1246,1259] [2023-11-21 18:53:16,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:16,606 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:16,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16 WrapperNode [2023-11-21 18:53:16,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:16,607 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:16,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:16,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:16,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,784 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1378 [2023-11-21 18:53:16,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:16,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:16,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:16,788 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:16,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,821 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:16,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:16,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:16,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:16,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:16" (1/1) ... [2023-11-21 18:53:16,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:17,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:17,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:17,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:53:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:17,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:17,416 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:17,418 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:19,019 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:19,125 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:19,125 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:19,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:19 BoogieIcfgContainer [2023-11-21 18:53:19,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:19,128 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:19,129 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:19,139 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:19,140 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:19" (1/1) ... [2023-11-21 18:53:19,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:19,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:53:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:53:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:53:19,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:19,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:53:19,212 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:53:19,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:53:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,766 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:53:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:19,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:53:19,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:20,225 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 18:53:20,234 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:53:20,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:53:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-21 18:53:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-21 18:53:20,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:53:20,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:20,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:20,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:53:20,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:53:20,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:53:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:21,666 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:53:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:22,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 984 conjuncts, 73 conjunts are in the unsatisfiable core [2023-11-21 18:53:22,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:23,392 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 18:53:23,403 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:53:23,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:53:24,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:24,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-21 18:53:24,585 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-21 18:53:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:53:24,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:24,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:24,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:53:24,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:53:24,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c49702bd-43e1-4f4d-8eea-a5269feb9832/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:53:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,317 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:53:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 1879 conjuncts, 488 conjunts are in the unsatisfiable core [2023-11-21 18:53:27,124 INFO L285 TraceCheckSpWp]: Computing forward predicates...