./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ --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 d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba --- 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-6b4ec56 [2022-11-20 16:45:42,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:42,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:42,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:42,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:42,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:42,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:42,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:42,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:42,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:42,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:42,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:42,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:42,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:42,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:42,559 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:42,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:42,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:42,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:42,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:42,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:42,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:42,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:42,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:42,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:42,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:42,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:42,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:42,589 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:42,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:42,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:42,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:42,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:42,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:42,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:42,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:42,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:42,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:42,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:42,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:42,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:42,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 16:45:42,639 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:42,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:42,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:45:42,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:45:42,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:42,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:42,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:42,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:45:42,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:42,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:45:42,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:42,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:45:42,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:45:42,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:42,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:45:42,658 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:42,658 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:42,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:42,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:42,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:42,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:42,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:45:42,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:45:42,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:45:42,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:45:42,660 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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba [2022-11-20 16:45:42,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:42,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:42,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:42,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:42,996 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:42,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-20 16:45:46,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:46,336 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:46,337 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-20 16:45:46,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data/c3d9dfe7e/06f1f4f4b7464ce98ed7d69533ea15f2/FLAG3b93ba50e [2022-11-20 16:45:46,379 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data/c3d9dfe7e/06f1f4f4b7464ce98ed7d69533ea15f2 [2022-11-20 16:45:46,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:46,383 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:46,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:46,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:46,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:46,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:46" (1/1) ... [2022-11-20 16:45:46,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b1857c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:46, skipping insertion in model container [2022-11-20 16:45:46,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:46" (1/1) ... [2022-11-20 16:45:46,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:46,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:46,684 WARN L237 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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:45:47,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:47,071 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:47,089 WARN L237 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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:45:47,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:47,218 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:47,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47 WrapperNode [2022-11-20 16:45:47,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:47,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:47,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:47,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:47,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,434 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1346 [2022-11-20 16:45:47,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:47,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:47,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:47,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:47,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,541 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,567 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:47,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:47,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:47,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:47,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:47" (1/1) ... [2022-11-20 16:45:47,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:47,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:47,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:47,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:47,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:48,003 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:48,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:46:46,155 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:46:46,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:46:46,187 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:46:46,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:46:46 BoogieIcfgContainer [2022-11-20 16:46:46,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:46:46,192 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:46:46,193 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:46:46,202 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:46:46,203 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:46:46" (1/1) ... [2022-11-20 16:46:46,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:46:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:46:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 16:46:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 16:46:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:46:46,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:46:46,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:46:46,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:46:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:46:59,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 16:47:09,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 16:47:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 16:47:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 16:47:10,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:47:10,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:10,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:47:40,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:48:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:48:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-20 16:48:20,853 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) [2022-11-20 16:48:20,857 INFO L158 Benchmark]: Toolchain (without parser) took 154473.13ms. Allocated memory was 148.9MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 103.3MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 272.6MB. Max. memory is 16.1GB. [2022-11-20 16:48:20,857 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 148.9MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:20,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 836.06ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 58.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 16:48:20,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.40ms. Allocated memory is still 148.9MB. Free memory was 58.8MB in the beginning and 102.5MB in the end (delta: -43.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-20 16:48:20,859 INFO L158 Benchmark]: Boogie Preprocessor took 169.54ms. Allocated memory is still 148.9MB. Free memory was 102.5MB in the beginning and 94.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 16:48:20,860 INFO L158 Benchmark]: RCFGBuilder took 58574.97ms. Allocated memory was 148.9MB in the beginning and 885.0MB in the end (delta: 736.1MB). Free memory was 94.1MB in the beginning and 503.9MB in the end (delta: -409.7MB). Peak memory consumption was 528.7MB. Max. memory is 16.1GB. [2022-11-20 16:48:20,861 INFO L158 Benchmark]: CodeCheck took 94663.58ms. Allocated memory was 885.0MB in the beginning and 1.5GB in the end (delta: 648.0MB). Free memory was 503.9MB in the beginning and 1.2GB in the end (delta: -714.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:20,864 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 148.9MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 836.06ms. Allocated memory is still 148.9MB. Free memory was 102.9MB in the beginning and 58.8MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.40ms. Allocated memory is still 148.9MB. Free memory was 58.8MB in the beginning and 102.5MB in the end (delta: -43.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.54ms. Allocated memory is still 148.9MB. Free memory was 102.5MB in the beginning and 94.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 58574.97ms. Allocated memory was 148.9MB in the beginning and 885.0MB in the end (delta: 736.1MB). Free memory was 94.1MB in the beginning and 503.9MB in the end (delta: -409.7MB). Peak memory consumption was 528.7MB. Max. memory is 16.1GB. * CodeCheck took 94663.58ms. Allocated memory was 885.0MB in the beginning and 1.5GB in the end (delta: 648.0MB). Free memory was 503.9MB in the beginning and 1.2GB in the end (delta: -714.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:48:20,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ --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 d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba --- 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-6b4ec56 [2022-11-20 16:48:23,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:48:23,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:48:23,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:48:23,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:48:23,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:48:23,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:48:23,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:48:23,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:48:23,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:48:23,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:48:23,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:48:23,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:48:23,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:48:23,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:48:23,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:48:23,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:48:23,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:48:23,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:48:23,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:48:23,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:48:23,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:48:23,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:48:23,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:48:23,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:48:23,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:48:23,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:48:23,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:48:23,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:48:23,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:48:23,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:48:23,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:48:23,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:48:23,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:48:23,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:48:23,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:48:23,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:48:23,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:48:23,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:48:23,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:48:23,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:48:23,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-20 16:48:23,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:48:23,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:48:23,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:48:23,497 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:48:23,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:48:23,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:48:23,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:48:23,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:48:23,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:48:23,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:48:23,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:48:23,501 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:48:23,502 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:48:23,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:48:23,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:48:23,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:48:23,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:48:23,503 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:48:23,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:48:23,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:48:23,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:23,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:48:23,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:48:23,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:48:23,505 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:48:23,506 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:48:23,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:48:23,507 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:48:23,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:48:23,507 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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba [2022-11-20 16:48:23,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:48:23,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:48:23,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:48:23,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:48:23,965 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:48:23,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-20 16:48:27,262 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:48:27,629 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:48:27,629 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-20 16:48:27,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data/bf56725f3/bb01ab264d7146e587b83b2d83445d70/FLAG30f5ad496 [2022-11-20 16:48:27,668 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/data/bf56725f3/bb01ab264d7146e587b83b2d83445d70 [2022-11-20 16:48:27,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:48:27,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:48:27,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:27,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:48:27,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:48:27,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:27" (1/1) ... [2022-11-20 16:48:27,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d02169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:27, skipping insertion in model container [2022-11-20 16:48:27,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:27" (1/1) ... [2022-11-20 16:48:27,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:48:27,761 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:48:27,975 WARN L237 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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:48:28,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:48:28,322 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:48:28,341 WARN L237 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_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:48:28,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:48:28,496 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:48:28,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28 WrapperNode [2022-11-20 16:48:28,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:28,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:48:28,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:48:28,498 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:48:28,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,589 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1346 [2022-11-20 16:48:28,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:48:28,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:48:28,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:48:28,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:48:28,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,707 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:48:28,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:48:28,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:48:28,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:48:28,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:28" (1/1) ... [2022-11-20 16:48:28,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:28,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:48:28,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:48:28,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:48:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:48:28,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:48:29,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:48:29,220 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:48:30,686 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:48:30,723 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:48:30,723 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:48:30,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:48:30 BoogieIcfgContainer [2022-11-20 16:48:30,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:48:30,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:48:30,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:48:30,737 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:48:30,738 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:48:30" (1/1) ... [2022-11-20 16:48:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:48:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 16:48:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 16:48:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:48:30,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:30,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:30,869 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) [2022-11-20 16:48:30,876 INFO L158 Benchmark]: Toolchain (without parser) took 3199.03ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 61.7MB in the beginning and 40.0MB in the end (delta: 21.7MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2022-11-20 16:48:30,876 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:30,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.86ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 43.6MB in the end (delta: 18.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-11-20 16:48:30,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.40ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 34.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:48:30,879 INFO L158 Benchmark]: Boogie Preprocessor took 133.04ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 47.9MB in the end (delta: -13.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-20 16:48:30,880 INFO L158 Benchmark]: RCFGBuilder took 2002.22ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 47.9MB in the beginning and 46.3MB in the end (delta: 1.6MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-20 16:48:30,881 INFO L158 Benchmark]: CodeCheck took 147.21ms. Allocated memory is still 100.7MB. Free memory was 46.3MB in the beginning and 40.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 16:48:30,892 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 0.32ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 36.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.86ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 43.6MB in the end (delta: 18.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.40ms. Allocated memory is still 81.8MB. Free memory was 43.6MB in the beginning and 34.0MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 133.04ms. Allocated memory is still 81.8MB. Free memory was 34.0MB in the beginning and 47.9MB in the end (delta: -13.9MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2002.22ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 47.9MB in the beginning and 46.3MB in the end (delta: 1.6MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * CodeCheck took 147.21ms. Allocated memory is still 100.7MB. Free memory was 46.3MB in the beginning and 40.0MB 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. [2022-11-20 16:48:30,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f51946c0-525c-49cd-bb3a-dffa5e0cb41a/bin/ukojak-pZX7IvK2PQ/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