./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.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_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/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_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/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_89b54d00-9b52-47b2-9084-4477a333a5f4/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 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:32,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:32,139 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:49:32,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:32,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:32,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:32,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:32,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:32,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:32,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:32,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:32,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:32,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:32,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:32,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:32,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:32,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:32,178 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:32,179 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:32,179 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:32,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:32,188 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:32,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:32,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:32,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:32,192 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:32,192 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:32,193 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:32,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:32,194 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:32,195 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_89b54d00-9b52-47b2-9084-4477a333a5f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2023-11-21 18:49:32,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:32,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:32,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:32,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:32,503 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:32,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-11-21 18:49:35,957 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:36,161 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:36,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-11-21 18:49:36,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data/60fdd6be9/8e59c7fc0aa946a8910bcb67bec5e9b2/FLAGd4ae8651b [2023-11-21 18:49:36,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data/60fdd6be9/8e59c7fc0aa946a8910bcb67bec5e9b2 [2023-11-21 18:49:36,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:36,194 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:36,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:36,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:36,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:36,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,204 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac011cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36, skipping insertion in model container [2023-11-21 18:49:36,204 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,236 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:36,436 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_89b54d00-9b52-47b2-9084-4477a333a5f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-11-21 18:49:36,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:36,509 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:36,519 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_89b54d00-9b52-47b2-9084-4477a333a5f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-11-21 18:49:36,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:36,558 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:36,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36 WrapperNode [2023-11-21 18:49:36,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:36,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:36,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:36,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:36,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,643 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 171 [2023-11-21 18:49:36,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:36,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:36,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:36,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:36,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,676 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,705 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:36,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:36,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:36,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:36,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:36" (1/1) ... [2023-11-21 18:49:36,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:36,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:36,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:36,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:36,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:36,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:36,939 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:36,941 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:37,387 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:37,617 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:37,617 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:49:37,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:37 BoogieIcfgContainer [2023-11-21 18:49:37,619 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:37,620 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:37,620 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:37,630 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:37,631 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:37" (1/1) ... [2023-11-21 18:49:37,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:49:37,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:49:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:37,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:37,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:49:37,980 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:49:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:49:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:49:38,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:49:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:49:38,246 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:49:38,270 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:49:38,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:49:38 ImpRootNode [2023-11-21 18:49:38,275 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:49:38,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:49:38,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:49:38,277 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:49:38,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:37" (3/4) ... [2023-11-21 18:49:38,280 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:49:38,281 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:49:38,282 INFO L158 Benchmark]: Toolchain (without parser) took 2087.28ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 80.0MB in the beginning and 48.7MB in the end (delta: 31.3MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2023-11-21 18:49:38,283 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 127.9MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:38,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.01ms. Allocated memory is still 127.9MB. Free memory was 79.7MB in the beginning and 67.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:49:38,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.30ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 63.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:38,285 INFO L158 Benchmark]: Boogie Preprocessor took 78.72ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 63.7MB in the beginning and 129.3MB in the end (delta: -65.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-21 18:49:38,286 INFO L158 Benchmark]: RCFGBuilder took 894.73ms. Allocated memory is still 161.5MB. Free memory was 129.3MB in the beginning and 75.1MB in the end (delta: 54.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-21 18:49:38,287 INFO L158 Benchmark]: CodeCheck took 655.56ms. Allocated memory is still 161.5MB. Free memory was 75.1MB in the beginning and 48.7MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:49:38,287 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 161.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:38,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 58. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L35] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L36] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L38] const SORT_3 var_4 = 2; [L39] const SORT_7 var_9 = 2; [L40] const SORT_1 var_13 = 1; [L41] const SORT_3 var_17 = 6; [L43] SORT_1 input_2; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L45] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L46] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L48] SORT_3 init_6_arg_1 = var_4; [L49] state_5 = init_6_arg_1 [L50] SORT_3 init_19_arg_1 = var_17; [L51] state_18 = init_19_arg_1 VAL [init_19_arg_1=6, init_6_arg_1=2, mask_SORT_1=1, mask_SORT_21=3, mask_SORT_3=7, mask_SORT_7=4294967295, msb_SORT_1=1, msb_SORT_21=2, msb_SORT_3=4, msb_SORT_7=2147483648, state_18=6, state_5=2, var_13=1, var_17=6, var_4=2, var_9=2] [L54] input_2 = __VERIFIER_nondet_uchar() [L57] SORT_3 var_8_arg_0 = state_5; [L58] EXPR var_8_arg_0 & mask_SORT_3 [L58] var_8_arg_0 = var_8_arg_0 & mask_SORT_3 [L59] SORT_7 var_8 = var_8_arg_0; [L60] SORT_7 var_10_arg_0 = var_8; [L61] SORT_7 var_10_arg_1 = var_9; [L62] SORT_1 var_10 = var_10_arg_0 >= var_10_arg_1; [L63] SORT_1 var_14_arg_0 = var_10; [L64] SORT_1 var_14 = ~var_14_arg_0; [L65] SORT_1 var_15_arg_0 = var_13; [L66] SORT_1 var_15_arg_1 = var_14; [L67] EXPR var_15_arg_0 & var_15_arg_1 [L67] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L68] EXPR var_15 & mask_SORT_1 [L68] var_15 = var_15 & mask_SORT_1 [L69] SORT_1 bad_16_arg_0 = var_15; [L70] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 127.9MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.01ms. Allocated memory is still 127.9MB. Free memory was 79.7MB in the beginning and 67.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.30ms. Allocated memory is still 127.9MB. Free memory was 67.8MB in the beginning and 63.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.72ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 63.7MB in the beginning and 129.3MB in the end (delta: -65.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 894.73ms. Allocated memory is still 161.5MB. Free memory was 129.3MB in the beginning and 75.1MB in the end (delta: 54.3MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * CodeCheck took 655.56ms. Allocated memory is still 161.5MB. Free memory was 75.1MB in the beginning and 48.7MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 161.5MB. Free memory is still 48.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 18:49:38,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/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_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/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_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/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_89b54d00-9b52-47b2-9084-4477a333a5f4/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 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:41,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:41,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:49:41,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:41,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:41,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:41,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:41,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:41,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:41,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:41,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:41,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:41,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:41,390 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:41,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:49:41,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:49:41,392 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:49:41,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:41,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:41,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:41,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:41,395 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:41,396 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:41,396 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:41,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:41,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:41,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:41,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:41,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:41,398 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:49:41,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:41,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:41,400 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:49:41,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:41,401 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_89b54d00-9b52-47b2-9084-4477a333a5f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 860a86adaee5a68a8179b30e590ccdfc140c947e3c27f31baed5d0226260962e [2023-11-21 18:49:41,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:41,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:41,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:41,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:41,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:41,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-11-21 18:49:45,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:45,605 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:45,606 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2023-11-21 18:49:45,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data/a8faf994a/f8715b31277b4090bc00cd95338876f6/FLAGb9d1d86a0 [2023-11-21 18:49:45,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/data/a8faf994a/f8715b31277b4090bc00cd95338876f6 [2023-11-21 18:49:45,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:45,650 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:45,654 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:45,654 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:45,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:45,662 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:45" (1/1) ... [2023-11-21 18:49:45,663 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ece09c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:45, skipping insertion in model container [2023-11-21 18:49:45,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:45" (1/1) ... [2023-11-21 18:49:45,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:45,927 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_89b54d00-9b52-47b2-9084-4477a333a5f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-11-21 18:49:46,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:46,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:46,054 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_89b54d00-9b52-47b2-9084-4477a333a5f4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1250,1263] [2023-11-21 18:49:46,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:46,134 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:46,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46 WrapperNode [2023-11-21 18:49:46,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:46,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:46,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:46,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:46,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,217 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2023-11-21 18:49:46,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:46,219 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:46,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:46,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:46,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,278 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:46,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:46,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:46,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:46,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:46,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:46,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:46,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:49:46,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:46,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:46,470 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:46,474 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:46,675 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:46,720 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:46,720 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:49:46,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:46 BoogieIcfgContainer [2023-11-21 18:49:46,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:46,723 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:46,723 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:46,735 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:46,735 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:46,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:49:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:49:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:49:46,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:46,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:46,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:49:46,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:49:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:49:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:46,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:49:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:49:47,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:47,485 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 18:49:47,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:49:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-11-21 18:49:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-11-21 18:49:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:49:47,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:47,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:47,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:49:47,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:49:47,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:49:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:49:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:49:47,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:48,292 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 18:49:48,295 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:49:48,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-21 18:49:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:49,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2023-11-21 18:49:49,065 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2023-11-21 18:49:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:49:49,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:49,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:49,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:49:49,080 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:49:49,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:49:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:49,226 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:49:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:49,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-21 18:49:49,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:49,904 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:49:49,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-21 18:49:51,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:51,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2023-11-21 18:49:51,866 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2023-11-21 18:49:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:49:51,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:51,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:51,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:49:51,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:49:51,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-21 18:49:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:52,003 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:49:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:52,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-21 18:49:52,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:52,569 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:52,571 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:49:52,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-21 18:49:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2023-11-21 18:49:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2023-11-21 18:49:53,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:49:53,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:53,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:53,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:49:53,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:49:53,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-21 18:49:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:53,724 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:49:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:53,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-21 18:49:53,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:49:54,141 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Stream closed [2023-11-21 18:49:54,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-21 18:49:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:55,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2023-11-21 18:49:55,895 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2023-11-21 18:49:55,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:49:55,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:55,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:55,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:49:55,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:49:55,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-21 18:49:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:56,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:49:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:56,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:49:56,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:49:56,939 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:49:56,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-21 18:49:58,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:58,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2023-11-21 18:49:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2023-11-21 18:49:58,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:49:58,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:58,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:58,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:49:58,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:49:58,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-21 18:49:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:49:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:58,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:49:58,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:49:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 18:49:58,772 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:49:58,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-11-21 18:50:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-21 18:50:01,111 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-21 18:50:01,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:50:01,113 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-21 18:50:01,123 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-21 18:50:01,823 INFO L560 CodeCheckObserver]: Invariant with dag size 45 [2023-11-21 18:50:01,833 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0] == ~state_18~0) could not be translated [2023-11-21 18:50:01,834 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1), 2bv32), ~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvashr~32(~zero_extend~32~8(~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0]), 1bv32)[7:0]))[7:0]))[7:0] == ~state_5~0) could not be translated [2023-11-21 18:50:01,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:50:01 ImpRootNode [2023-11-21 18:50:01,836 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:50:01,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:50:01,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:50:01,837 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:50:01,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:46" (3/4) ... [2023-11-21 18:50:01,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:50:01,848 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-21 18:50:01,849 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 18:50:01,849 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 18:50:01,849 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:50:01,951 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:50:01,951 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:50:01,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:50:01,953 INFO L158 Benchmark]: Toolchain (without parser) took 16302.41ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 64.0MB in the beginning and 68.7MB in the end (delta: -4.7MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2023-11-21 18:50:01,953 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:50:01,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.51ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 51.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 18:50:01,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.31ms. Allocated memory is still 88.1MB. Free memory was 51.4MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:01,955 INFO L158 Benchmark]: Boogie Preprocessor took 59.27ms. Allocated memory is still 88.1MB. Free memory was 49.8MB in the beginning and 48.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:50:01,955 INFO L158 Benchmark]: RCFGBuilder took 442.62ms. Allocated memory is still 88.1MB. Free memory was 48.3MB in the beginning and 56.8MB in the end (delta: -8.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-21 18:50:01,956 INFO L158 Benchmark]: CodeCheck took 15113.19ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 56.8MB in the beginning and 73.9MB in the end (delta: -17.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2023-11-21 18:50:01,956 INFO L158 Benchmark]: Witness Printer took 115.20ms. Allocated memory is still 157.3MB. Free memory was 73.9MB in the beginning and 68.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:50:01,959 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: 14.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 186 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 591 IncrementalHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 7 mSDtfsCounter, 591 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 828 GetRequests, 695 SyntacticMatches, 41 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3838 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 72 ConstructedInterpolants, 39 QuantifiedInterpolants, 1391 SizeOfPredicates, 252 NumberOfNonLiveVariables, 845 ConjunctsInSsa, 259 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 6/91 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 - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (((((((2 == state_5) && (6 == state_18)) && (1 == mask_SORT_1)) && (7 == mask_SORT_3)) && (2 == var_9)) && (3 == mask_SORT_21)) || (((((1 == mask_SORT_1) && (7 == mask_SORT_3)) && (2 == var_9)) && (3 == mask_SORT_21)) && !((2 == state_5)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 62.9MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.51ms. Allocated memory is still 88.1MB. Free memory was 63.8MB in the beginning and 51.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.31ms. Allocated memory is still 88.1MB. Free memory was 51.4MB in the beginning and 49.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.27ms. Allocated memory is still 88.1MB. Free memory was 49.8MB in the beginning and 48.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.62ms. Allocated memory is still 88.1MB. Free memory was 48.3MB in the beginning and 56.8MB in the end (delta: -8.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CodeCheck took 15113.19ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 56.8MB in the beginning and 73.9MB in the end (delta: -17.1MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Witness Printer took 115.20ms. Allocated memory is still 157.3MB. Free memory was 73.9MB in the beginning and 68.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0] == ~state_18~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor~32(~bvshl~32(~zero_extend~32~8(ULTIMATE.start_main_~var_24_arg_0~0#1), 2bv32), ~zero_extend~32~8(~bvand~32(3bv32, ~zero_extend~32~8(~bvashr~32(~zero_extend~32~8(~bvor~32(4bv32, ~zero_extend~32~8(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0]), 1bv32)[7:0]))[7:0]))[7:0] == ~state_5~0) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-21 18:50:01,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89b54d00-9b52-47b2-9084-4477a333a5f4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE