./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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 56f86b4cab001f7d30235f7e21f0d2866e7fb9bade2974e05f17edebfb7e1bb0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:47,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:47,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-21 18:33:47,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:47,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:47,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:47,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:47,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:47,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:47,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:47,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:47,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:47,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:47,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:47,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:47,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:47,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:47,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:47,669 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:47,670 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:47,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:47,671 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:47,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:47,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:47,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:47,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:47,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:47,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:47,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:47,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:47,676 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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56f86b4cab001f7d30235f7e21f0d2866e7fb9bade2974e05f17edebfb7e1bb0 [2023-11-21 18:33:47,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:47,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:47,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:47,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:47,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:47,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c [2023-11-21 18:33:51,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:51,554 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:51,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c [2023-11-21 18:33:51,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data/f72a77d08/d8f12b63e1b74dd092cb2c19c873edba/FLAGb6a13341e [2023-11-21 18:33:51,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data/f72a77d08/d8f12b63e1b74dd092cb2c19c873edba [2023-11-21 18:33:51,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:51,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:51,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:51,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:51,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:51,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:51" (1/1) ... [2023-11-21 18:33:51,609 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c61ee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:51, skipping insertion in model container [2023-11-21 18:33:51,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:51" (1/1) ... [2023-11-21 18:33:51,666 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:51,856 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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c[1246,1259] [2023-11-21 18:33:52,194 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:52,206 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:52,219 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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c[1246,1259] [2023-11-21 18:33:52,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:52,394 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:52,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52 WrapperNode [2023-11-21 18:33:52,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:52,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:52,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:52,398 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:52,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:52,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:52,865 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2200 [2023-11-21 18:33:52,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:52,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:52,867 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:52,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:52,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:52,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:52,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:52,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:53,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:53,086 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:53,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:53,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:53,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:53,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:53,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:53,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:53,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:52" (1/1) ... [2023-11-21 18:33:53,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:53,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:53,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:53,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:53,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:53,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:53,626 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:53,629 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:55,858 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:59,932 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:59,933 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:33:59,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:59 BoogieIcfgContainer [2023-11-21 18:33:59,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:59,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:59,936 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:59,948 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:59,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:34:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:34:00,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:34:00,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:00,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:01,856 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:34:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:04,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:34:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:34:04,957 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:34:05,013 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 18:34:05,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:34:05 ImpRootNode [2023-11-21 18:34:05,026 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:34:05,026 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:34:05,027 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:34:05,027 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:34:05,027 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:59" (3/4) ... [2023-11-21 18:34:05,030 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:34:05,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:34:05,032 INFO L158 Benchmark]: Toolchain (without parser) took 13433.21ms. Allocated memory was 140.5MB in the beginning and 662.7MB in the end (delta: 522.2MB). Free memory was 102.1MB in the beginning and 526.5MB in the end (delta: -424.4MB). Peak memory consumption was 101.0MB. Max. memory is 16.1GB. [2023-11-21 18:34:05,033 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 140.5MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:05,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.84ms. Allocated memory is still 140.5MB. Free memory was 101.6MB in the beginning and 64.3MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 18:34:05,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 468.62ms. Allocated memory is still 140.5MB. Free memory was 64.3MB in the beginning and 75.6MB in the end (delta: -11.3MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-21 18:34:05,035 INFO L158 Benchmark]: Boogie Preprocessor took 337.77ms. Allocated memory is still 140.5MB. Free memory was 75.6MB in the beginning and 59.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:34:05,036 INFO L158 Benchmark]: RCFGBuilder took 6729.13ms. Allocated memory was 140.5MB in the beginning and 662.7MB in the end (delta: 522.2MB). Free memory was 59.7MB in the beginning and 502.4MB in the end (delta: -442.7MB). Peak memory consumption was 185.6MB. Max. memory is 16.1GB. [2023-11-21 18:34:05,036 INFO L158 Benchmark]: CodeCheck took 5090.15ms. Allocated memory is still 662.7MB. Free memory was 502.4MB in the beginning and 526.5MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:05,037 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 662.7MB. Free memory is still 526.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:05,041 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: 5.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 181, overapproximation of bitwiseAnd at line 147. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 4); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (4 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 32); [L33] const SORT_13 msb_SORT_13 = (SORT_13)1 << (32 - 1); [L35] const SORT_36 mask_SORT_36 = (SORT_36)-1 >> (sizeof(SORT_36) * 8 - 3); [L36] const SORT_36 msb_SORT_36 = (SORT_36)1 << (3 - 1); [L38] const SORT_206 mask_SORT_206 = (SORT_206)-1 >> (sizeof(SORT_206) * 8 - 2); [L39] const SORT_206 msb_SORT_206 = (SORT_206)1 << (2 - 1); [L41] const SORT_1 var_10 = 0; [L42] const SORT_13 var_15 = 4; [L43] const SORT_5 var_22 = 1; [L44] const SORT_36 var_38 = 1; [L45] const SORT_36 var_43 = 2; [L46] const SORT_36 var_50 = 4; [L47] const SORT_36 var_53 = 3; [L48] const SORT_13 var_81 = 1; [L49] const SORT_13 var_101 = 0; [L50] const SORT_5 var_149 = 0; [L51] const SORT_1 var_186 = 15; [L53] SORT_1 input_2; [L54] SORT_1 input_3; [L55] SORT_1 input_4; [L56] SORT_5 input_6; [L57] SORT_1 input_7; [L58] SORT_5 input_8; [L59] SORT_5 input_9; [L60] SORT_13 input_94; [L61] SORT_1 input_96; [L62] SORT_1 input_107; [L63] SORT_1 input_112; [L64] SORT_1 input_114; [L65] SORT_1 input_129; [L66] SORT_5 input_140; [L67] SORT_5 input_144; [L68] SORT_5 input_147; [L69] SORT_5 input_152; [L70] SORT_5 input_155; [L71] SORT_5 input_158; [L72] SORT_1 input_173; [L73] SORT_1 input_176; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L78] SORT_5 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L79] SORT_5 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] SORT_1 init_12_arg_1 = var_10; [L92] state_11 = init_12_arg_1 [L93] SORT_1 init_18_arg_1 = var_10; [L94] state_17 = init_18_arg_1 [L95] SORT_1 init_20_arg_1 = var_10; [L96] state_19 = init_20_arg_1 [L97] SORT_5 init_24_arg_1 = var_22; [L98] state_23 = init_24_arg_1 [L99] SORT_5 init_29_arg_1 = var_22; [L100] state_28 = init_29_arg_1 [L101] SORT_1 init_33_arg_1 = var_10; [L102] state_32 = init_33_arg_1 [L103] SORT_1 init_35_arg_1 = var_10; [L104] state_34 = init_35_arg_1 [L105] SORT_1 init_42_arg_1 = var_10; [L106] state_41 = init_42_arg_1 [L107] SORT_1 init_47_arg_1 = var_10; [L108] state_46 = init_47_arg_1 [L109] SORT_1 init_49_arg_1 = var_10; [L110] state_48 = init_49_arg_1 [L111] SORT_1 init_58_arg_1 = var_10; [L112] state_57 = init_58_arg_1 [L113] SORT_1 init_60_arg_1 = var_10; [L114] state_59 = init_60_arg_1 [L115] SORT_1 init_64_arg_1 = var_10; [L116] state_63 = init_64_arg_1 [L117] SORT_1 init_66_arg_1 = var_10; [L118] state_65 = init_66_arg_1 [L119] SORT_1 init_71_arg_1 = var_10; [L120] state_70 = init_71_arg_1 VAL [init_12_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_24_arg_1=1, init_29_arg_1=1, init_33_arg_1=0, init_35_arg_1=0, init_42_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_71_arg_1=0, mask_SORT_13=4294967295, mask_SORT_1=15, mask_SORT_206=3, mask_SORT_36=7, mask_SORT_5=1, msb_SORT_13=2147483648, msb_SORT_1=8, msb_SORT_206=2, msb_SORT_36=4, msb_SORT_5=1, state_11=0, state_17=0, state_19=0, state_23=1, state_28=1, state_32=0, state_34=0, state_41=0, state_46=0, state_48=0, state_57=0, state_59=0, state_63=0, state_65=0, state_70=0, var_101=0, var_10=0, var_149=0, var_15=4, var_186=15, var_22=1, var_38=1, var_43=2, var_50=4, var_53=3, var_81=1] [L123] input_2 = __VERIFIER_nondet_uchar() [L124] input_3 = __VERIFIER_nondet_uchar() [L125] input_4 = __VERIFIER_nondet_uchar() [L126] input_6 = __VERIFIER_nondet_uchar() [L127] input_7 = __VERIFIER_nondet_uchar() [L128] input_8 = __VERIFIER_nondet_uchar() [L129] input_9 = __VERIFIER_nondet_uchar() [L130] input_94 = __VERIFIER_nondet_uint() [L131] input_96 = __VERIFIER_nondet_uchar() [L132] input_107 = __VERIFIER_nondet_uchar() [L133] input_112 = __VERIFIER_nondet_uchar() [L134] input_114 = __VERIFIER_nondet_uchar() [L135] input_129 = __VERIFIER_nondet_uchar() [L136] input_140 = __VERIFIER_nondet_uchar() [L137] input_144 = __VERIFIER_nondet_uchar() [L138] input_147 = __VERIFIER_nondet_uchar() [L139] input_152 = __VERIFIER_nondet_uchar() [L140] input_155 = __VERIFIER_nondet_uchar() [L141] input_158 = __VERIFIER_nondet_uchar() [L142] input_173 = __VERIFIER_nondet_uchar() [L143] input_176 = __VERIFIER_nondet_uchar() [L146] SORT_1 var_14_arg_0 = state_11; [L147] EXPR var_14_arg_0 & mask_SORT_1 [L147] var_14_arg_0 = var_14_arg_0 & mask_SORT_1 [L148] SORT_13 var_14 = var_14_arg_0; [L149] SORT_13 var_16_arg_0 = var_14; [L150] SORT_13 var_16_arg_1 = var_15; [L151] SORT_5 var_16 = var_16_arg_0 == var_16_arg_1; [L152] SORT_1 var_21_arg_0 = state_17; [L153] SORT_1 var_21_arg_1 = state_19; [L154] SORT_5 var_21 = var_21_arg_0 == var_21_arg_1; [L155] SORT_5 var_25_arg_0 = state_23; [L156] SORT_5 var_25 = ~var_25_arg_0; [L157] SORT_5 var_26_arg_0 = var_21; [L158] SORT_5 var_26_arg_1 = var_25; [L159] EXPR var_26_arg_0 & var_26_arg_1 [L159] SORT_5 var_26 = var_26_arg_0 & var_26_arg_1; [L160] EXPR var_26 & mask_SORT_5 [L160] var_26 = var_26 & mask_SORT_5 [L161] SORT_5 var_27_arg_0 = var_16; [L162] SORT_5 var_27_arg_1 = var_26; [L163] SORT_5 var_27 = var_27_arg_0 == var_27_arg_1; [L164] SORT_5 var_30_arg_0 = state_28; [L165] SORT_5 var_30_arg_1 = state_23; [L166] SORT_5 var_30 = var_30_arg_0 == var_30_arg_1; [L167] SORT_5 var_31_arg_0 = var_27; [L168] SORT_5 var_31_arg_1 = var_30; [L169] EXPR var_31_arg_0 & var_31_arg_1 [L169] SORT_5 var_31 = var_31_arg_0 & var_31_arg_1; [L170] SORT_1 var_37_arg_0 = state_11; [L171] SORT_36 var_37 = var_37_arg_0 >> 0; [L172] EXPR var_37 & mask_SORT_36 [L172] var_37 = var_37 & mask_SORT_36 [L173] SORT_36 var_54_arg_0 = var_37; [L174] SORT_36 var_54_arg_1 = var_53; [L175] SORT_5 var_54 = var_54_arg_0 == var_54_arg_1; [L176] SORT_36 var_51_arg_0 = var_37; [L177] SORT_36 var_51_arg_1 = var_50; [L178] SORT_5 var_51 = var_51_arg_0 == var_51_arg_1; [L179] SORT_5 var_55_arg_0 = var_54; [L180] SORT_5 var_55_arg_1 = var_51; [L181] EXPR var_55_arg_0 | var_55_arg_1 [L181] SORT_5 var_55 = var_55_arg_0 | var_55_arg_1; [L182] EXPR var_55 & mask_SORT_5 [L182] var_55 = var_55 & mask_SORT_5 [L183] SORT_5 var_52_arg_0 = var_51; [L184] SORT_1 var_52_arg_1 = state_48; [L185] SORT_1 var_52_arg_2 = state_46; [L186] SORT_1 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; [L187] SORT_36 var_44_arg_0 = var_37; [L188] SORT_36 var_44_arg_1 = var_43; [L189] SORT_5 var_44 = var_44_arg_0 == var_44_arg_1; [L190] SORT_36 var_39_arg_0 = var_37; [L191] SORT_36 var_39_arg_1 = var_38; [L192] SORT_5 var_39 = var_39_arg_0 == var_39_arg_1; [L193] SORT_5 var_40_arg_0 = var_39; [L194] SORT_1 var_40_arg_1 = state_34; [L195] SORT_1 var_40_arg_2 = state_32; [L196] SORT_1 var_40 = var_40_arg_0 ? var_40_arg_1 : var_40_arg_2; [L197] SORT_5 var_45_arg_0 = var_44; [L198] SORT_1 var_45_arg_1 = state_41; [L199] SORT_1 var_45_arg_2 = var_40; [L200] SORT_1 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; [L201] SORT_5 var_56_arg_0 = var_55; [L202] SORT_1 var_56_arg_1 = var_52; [L203] SORT_1 var_56_arg_2 = var_45; [L204] SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L205] EXPR var_56 & mask_SORT_1 [L205] var_56 = var_56 & mask_SORT_1 [L206] SORT_1 var_75_arg_0 = state_17; [L207] SORT_5 var_75 = var_75_arg_0 >> 2; [L208] EXPR var_75 & mask_SORT_5 [L208] var_75 = var_75 & mask_SORT_5 [L209] SORT_1 var_68_arg_0 = state_17; [L210] SORT_5 var_68 = var_68_arg_0 >> 1; [L211] EXPR var_68 & mask_SORT_5 [L211] var_68 = var_68 & mask_SORT_5 [L212] SORT_1 var_61_arg_0 = state_17; [L213] SORT_5 var_61 = var_61_arg_0 >> 0; [L214] EXPR var_61 & mask_SORT_5 [L214] var_61 = var_61 & mask_SORT_5 [L215] SORT_5 var_73_arg_0 = var_61; [L216] SORT_1 var_73_arg_1 = input_4; [L217] SORT_1 var_73_arg_2 = input_3; [L218] SORT_1 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L219] SORT_5 var_72_arg_0 = var_61; [L220] SORT_1 var_72_arg_1 = input_2; [L221] SORT_1 var_72_arg_2 = state_70; [L222] SORT_1 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L223] SORT_5 var_74_arg_0 = var_68; [L224] SORT_1 var_74_arg_1 = var_73; [L225] SORT_1 var_74_arg_2 = var_72; [L226] SORT_1 var_74 = var_74_arg_0 ? var_74_arg_1 : var_74_arg_2; [L227] SORT_5 var_67_arg_0 = var_61; [L228] SORT_1 var_67_arg_1 = state_65; [L229] SORT_1 var_67_arg_2 = state_63; [L230] SORT_1 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L231] SORT_5 var_62_arg_0 = var_61; [L232] SORT_1 var_62_arg_1 = state_59; [L233] SORT_1 var_62_arg_2 = state_57; [L234] SORT_1 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; [L235] SORT_5 var_69_arg_0 = var_68; [L236] SORT_1 var_69_arg_1 = var_67; [L237] SORT_1 var_69_arg_2 = var_62; [L238] SORT_1 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L239] SORT_5 var_76_arg_0 = var_75; [L240] SORT_1 var_76_arg_1 = var_74; [L241] SORT_1 var_76_arg_2 = var_69; [L242] SORT_1 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L243] EXPR var_76 & mask_SORT_1 [L243] var_76 = var_76 & mask_SORT_1 [L244] SORT_1 var_77_arg_0 = var_56; [L245] SORT_1 var_77_arg_1 = var_76; [L246] SORT_5 var_77 = var_77_arg_0 == var_77_arg_1; [L247] SORT_5 var_78_arg_0 = state_28; [L248] SORT_5 var_78_arg_1 = var_77; [L249] EXPR var_78_arg_0 | var_78_arg_1 [L249] SORT_5 var_78 = var_78_arg_0 | var_78_arg_1; [L250] SORT_5 var_79_arg_0 = var_31; [L251] SORT_5 var_79_arg_1 = var_78; [L252] EXPR var_79_arg_0 & var_79_arg_1 [L252] SORT_5 var_79 = var_79_arg_0 & var_79_arg_1; [L253] SORT_5 var_80_arg_0 = var_79; [L254] EXPR var_80_arg_0 & mask_SORT_5 [L254] var_80_arg_0 = var_80_arg_0 & mask_SORT_5 [L255] SORT_13 var_80 = var_80_arg_0; [L256] SORT_13 var_82_arg_0 = var_80; [L257] SORT_13 var_82_arg_1 = var_81; [L258] SORT_5 var_82 = var_82_arg_0 == var_82_arg_1; [L259] SORT_5 var_85_arg_0 = var_82; [L260] SORT_5 var_85 = ~var_85_arg_0; [L261] SORT_5 var_86_arg_0 = var_22; [L262] SORT_5 var_86_arg_1 = var_85; [L263] EXPR var_86_arg_0 & var_86_arg_1 [L263] SORT_5 var_86 = var_86_arg_0 & var_86_arg_1; [L264] EXPR var_86 & mask_SORT_5 [L264] var_86 = var_86 & mask_SORT_5 [L265] SORT_5 bad_87_arg_0 = var_86; [L266] CALL __VERIFIER_assert(!(bad_87_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 0.28ms. Allocated memory is still 140.5MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.84ms. Allocated memory is still 140.5MB. Free memory was 101.6MB in the beginning and 64.3MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 468.62ms. Allocated memory is still 140.5MB. Free memory was 64.3MB in the beginning and 75.6MB in the end (delta: -11.3MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 337.77ms. Allocated memory is still 140.5MB. Free memory was 75.6MB in the beginning and 59.7MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 6729.13ms. Allocated memory was 140.5MB in the beginning and 662.7MB in the end (delta: 522.2MB). Free memory was 59.7MB in the beginning and 502.4MB in the end (delta: -442.7MB). Peak memory consumption was 185.6MB. Max. memory is 16.1GB. * CodeCheck took 5090.15ms. Allocated memory is still 662.7MB. Free memory was 502.4MB in the beginning and 526.5MB in the end (delta: -24.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 662.7MB. Free memory is still 526.5MB. 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 18:34:05,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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 56f86b4cab001f7d30235f7e21f0d2866e7fb9bade2974e05f17edebfb7e1bb0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:07,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:07,771 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-21 18:34:07,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:07,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:07,813 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:07,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:07,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:07,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:07,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:07,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:07,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:07,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:07,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:07,824 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:34:07,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:34:07,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:34:07,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:07,826 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:07,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:07,828 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:07,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:07,829 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:07,829 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:07,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:07,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:07,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:07,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:07,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:07,831 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:34:07,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:07,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:07,832 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:34:07,833 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:07,833 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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56f86b4cab001f7d30235f7e21f0d2866e7fb9bade2974e05f17edebfb7e1bb0 [2023-11-21 18:34:08,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:08,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:08,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:08,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:08,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:08,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c [2023-11-21 18:34:11,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:12,089 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:12,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c [2023-11-21 18:34:12,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data/57a1c00f8/12bba93a8a4f499fb12fb5cb7bf7f4b2/FLAG6b92a67d1 [2023-11-21 18:34:12,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/data/57a1c00f8/12bba93a8a4f499fb12fb5cb7bf7f4b2 [2023-11-21 18:34:12,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:12,128 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:12,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:12,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:12,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:12,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,137 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b08424f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12, skipping insertion in model container [2023-11-21 18:34:12,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:12,402 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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c[1246,1259] [2023-11-21 18:34:12,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:12,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:12,763 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_10b7674b-23a0-4769-83d5-e6b1fbd7c531/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FIFO.c[1246,1259] [2023-11-21 18:34:12,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:12,890 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:12,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12 WrapperNode [2023-11-21 18:34:12,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:12,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:12,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:12,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:12,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:12,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,045 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 880 [2023-11-21 18:34:13,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:13,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:13,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:13,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:13,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,160 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,195 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,214 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:13,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:13,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:13,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:13,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:12" (1/1) ... [2023-11-21 18:34:13,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:13,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:13,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:13,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:34:13,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:13,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:13,619 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:13,621 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:14,721 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:14,812 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:14,812 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:34:14,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:14 BoogieIcfgContainer [2023-11-21 18:34:14,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:14,816 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:14,816 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:14,828 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:14,828 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:14" (1/1) ... [2023-11-21 18:34:14,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-21 18:34:14,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-21 18:34:14,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:34:14,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:14,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:34:14,895 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:34:14,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:34:15,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,334 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:34:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:15,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-21 18:34:15,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,401 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 18:34:16,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:34:16,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-21 18:34:16,665 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-21 18:34:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:16,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:16,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:34:16,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:34:16,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10b7674b-23a0-4769-83d5-e6b1fbd7c531/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:34:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:17,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:34:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:17,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 793 conjuncts, 292 conjunts are in the unsatisfiable core [2023-11-21 18:34:17,914 INFO L285 TraceCheckSpWp]: Computing forward predicates...