./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --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 d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 07:50:42,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:50:42,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:50:42,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:50:42,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:50:42,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:50:42,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:50:42,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:50:42,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:50:42,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:50:42,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:50:42,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:50:42,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:50:42,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:50:42,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:50:42,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:50:42,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:50:42,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:50:42,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:50:42,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:50:42,482 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:50:42,483 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:50:42,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:50:42,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:50:42,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:50:42,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:50:42,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:50:42,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:50:42,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:50:42,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:50:42,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:50:42,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:50:42,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:50:42,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:50:42,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:50:42,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:50:42,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:50:42,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:50:42,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:50:42,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:50:42,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:50:42,509 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 07:50:42,530 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:50:42,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:50:42,531 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:50:42,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:50:42,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:50:42,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:50:42,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:50:42,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:50:42,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:50:42,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:50:42,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:50:42,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:50:42,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:50:42,536 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:50:42,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:50:42,536 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:50:42,537 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:50:42,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:50:42,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:50:42,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:50:42,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:50:42,538 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:50:42,538 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:50:42,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:50:42,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:50:42,539 INFO L138 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_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe [2022-11-16 07:50:42,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:50:42,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:50:42,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:50:42,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:50:42,897 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:50:42,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-11-16 07:50:42,983 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/49ee1cde9/7854bc783f494cf18902d55b6cfbb867/FLAG538e7ff8f [2022-11-16 07:50:43,668 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:50:43,668 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-11-16 07:50:43,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/49ee1cde9/7854bc783f494cf18902d55b6cfbb867/FLAG538e7ff8f [2022-11-16 07:50:43,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/49ee1cde9/7854bc783f494cf18902d55b6cfbb867 [2022-11-16 07:50:43,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:50:43,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:50:43,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:50:43,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:50:43,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:50:43,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:43" (1/1) ... [2022-11-16 07:50:43,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726b4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:43, skipping insertion in model container [2022-11-16 07:50:43,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:43" (1/1) ... [2022-11-16 07:50:43,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:50:43,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:50:44,177 WARN L229 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_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-11-16 07:50:44,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:50:44,596 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:50:44,607 WARN L229 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_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-11-16 07:50:44,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:50:44,812 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:50:44,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44 WrapperNode [2022-11-16 07:50:44,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:50:44,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:50:44,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:50:44,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:50:44,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:44,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,070 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4116 [2022-11-16 07:50:45,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:50:45,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:50:45,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:50:45,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:50:45,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,105 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:50:45,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:50:45,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:50:45,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:50:45,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:44" (1/1) ... [2022-11-16 07:50:45,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:50:45,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:50:45,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:50:45,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:50:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:50:45,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:50:46,059 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:50:46,061 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:50:50,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:51:05,811 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:51:05,811 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 07:51:05,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:51:05 BoogieIcfgContainer [2022-11-16 07:51:05,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:51:05,814 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:51:05,814 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:51:05,834 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:51:05,835 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:51:05" (1/1) ... [2022-11-16 07:51:05,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:51:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:51:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 07:51:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 07:51:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 07:51:05,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:51:05,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:51:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:51:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:51:20,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:51:30,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:51:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:51:33,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-16 07:51:33,319 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 07:51:33,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 07:51:33,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:51:33,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:55:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 07:55:18,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 07:59:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 07:59:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-16 07:59:31,899 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 07:59:31,903 INFO L158 Benchmark]: Toolchain (without parser) took 528033.44ms. Allocated memory was 98.6MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 60.5MB in the beginning and 3.6GB in the end (delta: -3.5GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2022-11-16 07:59:31,903 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 71.2MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:59:31,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 938.92ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 60.5MB in the beginning and 62.5MB in the end (delta: -2.0MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-16 07:59:31,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.62ms. Allocated memory is still 121.6MB. Free memory was 62.5MB in the beginning and 56.6MB in the end (delta: 6.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2022-11-16 07:59:31,906 INFO L158 Benchmark]: Boogie Preprocessor took 234.35ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.2MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2022-11-16 07:59:31,907 INFO L158 Benchmark]: RCFGBuilder took 20507.24ms. Allocated memory was 121.6MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 54.4MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 890.3MB. Max. memory is 16.1GB. [2022-11-16 07:59:31,908 INFO L158 Benchmark]: CodeCheck took 506087.63ms. Allocated memory was 4.3GB in the beginning and 6.7GB in the end (delta: 2.4GB). Free memory was 3.8GB in the beginning and 3.6GB in the end (delta: 194.2MB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2022-11-16 07:59:31,912 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 71.2MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 938.92ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 60.5MB in the beginning and 62.5MB in the end (delta: -2.0MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.62ms. Allocated memory is still 121.6MB. Free memory was 62.5MB in the beginning and 56.6MB in the end (delta: 6.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 234.35ms. Allocated memory is still 121.6MB. Free memory was 56.6MB in the beginning and 54.4MB in the end (delta: 2.2MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * RCFGBuilder took 20507.24ms. Allocated memory was 121.6MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 54.4MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 890.3MB. Max. memory is 16.1GB. * CodeCheck took 506087.63ms. Allocated memory was 4.3GB in the beginning and 6.7GB in the end (delta: 2.4GB). Free memory was 3.8GB in the beginning and 3.6GB in the end (delta: 194.2MB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:59:31,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --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 d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 07:59:34,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:59:34,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:59:34,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:59:34,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:59:34,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:59:34,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:59:34,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:59:34,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:59:34,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:59:34,635 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:59:34,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:59:34,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:59:34,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:59:34,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:59:34,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:59:34,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:59:34,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:59:34,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:59:34,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:59:34,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:59:34,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:59:34,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:59:34,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:59:34,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:59:34,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:59:34,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:59:34,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:59:34,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:59:34,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:59:34,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:59:34,663 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:59:34,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:59:34,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:59:34,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:59:34,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:59:34,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:59:34,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:59:34,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:59:34,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:59:34,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:59:34,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-16 07:59:34,732 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:59:34,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:59:34,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:59:34,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:59:34,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:59:34,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:59:34,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:59:34,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:59:34,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:59:34,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:59:34,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:59:34,736 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 07:59:34,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 07:59:34,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 07:59:34,736 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:59:34,736 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:59:34,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:59:34,737 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:59:34,737 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:59:34,737 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:59:34,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:59:34,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:59:34,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:59:34,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:59:34,740 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 07:59:34,740 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 07:59:34,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:59:34,741 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 07:59:34,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 07:59:34,742 INFO L138 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_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d78cd891fa68505812de1aa2daf912afefe1b560cf3fa56b706a1a5e163d5abe [2022-11-16 07:59:35,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:59:35,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:59:35,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:59:35,202 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:59:35,204 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:59:35,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-11-16 07:59:35,290 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/bb117b545/b88bc9584ae14d56a00de53d80198339/FLAG2dee6d364 [2022-11-16 07:59:36,025 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:59:36,026 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c [2022-11-16 07:59:36,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/bb117b545/b88bc9584ae14d56a00de53d80198339/FLAG2dee6d364 [2022-11-16 07:59:36,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/data/bb117b545/b88bc9584ae14d56a00de53d80198339 [2022-11-16 07:59:36,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:59:36,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:59:36,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:59:36,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:59:36,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:59:36,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:59:36" (1/1) ... [2022-11-16 07:59:36,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46dcb5f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:36, skipping insertion in model container [2022-11-16 07:59:36,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:59:36" (1/1) ... [2022-11-16 07:59:36,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:59:36,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:59:36,491 WARN L229 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_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-11-16 07:59:37,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:59:37,013 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:59:37,024 WARN L229 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_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.4.prop1-back-serstep.c[1014,1027] [2022-11-16 07:59:37,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:59:37,182 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:59:37,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37 WrapperNode [2022-11-16 07:59:37,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:59:37,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:59:37,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:59:37,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:59:37,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,404 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2443 [2022-11-16 07:59:37,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:59:37,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:59:37,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:59:37,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:59:37,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:59:37,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:59:37,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:59:37,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:59:37,581 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:59:37" (1/1) ... [2022-11-16 07:59:37,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:59:37,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:59:37,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:59:37,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:59:37,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:59:37,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:59:38,235 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:59:38,237 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:59:42,565 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:59:42,627 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:59:42,627 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 07:59:42,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:59:42 BoogieIcfgContainer [2022-11-16 07:59:42,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:59:42,631 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:59:42,631 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:59:42,641 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:59:42,641 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:59:42" (1/1) ... [2022-11-16 07:59:42,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:59:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:59:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 07:59:42,724 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 07:59:42,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 07:59:42,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:59:42,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:59:42,774 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 07:59:42,782 INFO L158 Benchmark]: Toolchain (without parser) took 6585.35ms. Allocated memory was 56.6MB in the beginning and 270.5MB in the end (delta: 213.9MB). Free memory was 31.8MB in the beginning and 168.0MB in the end (delta: -136.3MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2022-11-16 07:59:42,784 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:59:42,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 985.87ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 31.6MB in the beginning and 33.2MB in the end (delta: -1.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-11-16 07:59:42,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 220.85ms. Allocated memory is still 75.5MB. Free memory was 33.2MB in the beginning and 30.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-16 07:59:42,788 INFO L158 Benchmark]: Boogie Preprocessor took 172.68ms. Allocated memory was 75.5MB in the beginning and 115.3MB in the end (delta: 39.8MB). Free memory was 30.7MB in the beginning and 71.1MB in the end (delta: -40.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2022-11-16 07:59:42,789 INFO L158 Benchmark]: RCFGBuilder took 5050.86ms. Allocated memory was 115.3MB in the beginning and 270.5MB in the end (delta: 155.2MB). Free memory was 70.6MB in the beginning and 174.3MB in the end (delta: -103.7MB). Peak memory consumption was 131.1MB. Max. memory is 16.1GB. [2022-11-16 07:59:42,790 INFO L158 Benchmark]: CodeCheck took 148.66ms. Allocated memory is still 270.5MB. Free memory was 174.3MB in the beginning and 168.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 07:59:42,794 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 985.87ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 31.6MB in the beginning and 33.2MB in the end (delta: -1.6MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 220.85ms. Allocated memory is still 75.5MB. Free memory was 33.2MB in the beginning and 30.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.68ms. Allocated memory was 75.5MB in the beginning and 115.3MB in the end (delta: 39.8MB). Free memory was 30.7MB in the beginning and 71.1MB in the end (delta: -40.3MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5050.86ms. Allocated memory was 115.3MB in the beginning and 270.5MB in the end (delta: 155.2MB). Free memory was 70.6MB in the beginning and 174.3MB in the end (delta: -103.7MB). Peak memory consumption was 131.1MB. Max. memory is 16.1GB. * CodeCheck took 148.66ms. Allocated memory is still 270.5MB. Free memory was 174.3MB in the beginning and 168.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:59:42,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6abdbc8f-b4d7-4e3f-a672-b360221b32c3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared