./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:46:23,477 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:46:23,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-09 00:46:23,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:46:23,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:46:23,597 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:46:23,599 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:46:23,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:46:23,601 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:46:23,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:46:23,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:46:23,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:46:23,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:46:23,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:46:23,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:46:23,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:46:23,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:46:23,609 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:46:23,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:46:23,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:46:23,610 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:46:23,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:46:23,611 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:46:23,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:46:23,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:23,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:46:23,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:46:23,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:46:23,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:46:23,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:46:23,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 [2024-11-09 00:46:23,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:46:23,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:46:23,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:46:23,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:46:23,960 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:46:23,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:46:26,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:46:26,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:46:26,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c [2024-11-09 00:46:26,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data/9b8c505fa/05f9610a4d2c4decb5c8d5ead65f5082/FLAG0e9da6eae [2024-11-09 00:46:26,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data/9b8c505fa/05f9610a4d2c4decb5c8d5ead65f5082 [2024-11-09 00:46:26,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:46:26,403 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:46:26,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:26,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:46:26,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:46:26,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:26" (1/1) ... [2024-11-09 00:46:26,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@588a20dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:26, skipping insertion in model container [2024-11-09 00:46:26,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:46:26" (1/1) ... [2024-11-09 00:46:26,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:46:26,750 WARN L250 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_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-11-09 00:46:27,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:27,351 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:46:27,364 WARN L250 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_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-11-09 00:46:27,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:46:27,607 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:46:27,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27 WrapperNode [2024-11-09 00:46:27,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:46:27,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:27,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:46:27,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:46:27,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:27,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,826 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8191 [2024-11-09 00:46:28,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:46:28,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:46:28,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:46:28,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:46:28,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:28,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,507 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:46:29,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:46:29,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:46:29,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:46:29,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:46:27" (1/1) ... [2024-11-09 00:46:29,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:46:29,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:46:29,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:46:29,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:46:29,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:46:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:46:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:46:29,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:46:30,355 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:46:30,358 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:46:44,155 INFO L? ?]: Removed 4306 outVars from TransFormulas that were not future-live. [2024-11-09 00:46:44,155 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:47:01,207 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:47:01,207 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:47:01,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:01 BoogieIcfgContainer [2024-11-09 00:47:01,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:47:01,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:47:01,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:47:01,221 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:47:01,221 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:47:01" (1/1) ... [2024-11-09 00:47:01,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:47:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:47:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:47:01,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:47:01,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:01,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:47:20,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:30,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:32,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:35,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:45,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:55,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:55,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:55,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-09 00:47:55,335 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-09 00:47:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:47:55,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:12,547 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:53:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:53:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:53:17,872 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:485) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2024-11-09 00:53:17,876 INFO L158 Benchmark]: Toolchain (without parser) took 411472.51ms. Allocated memory was 134.2MB in the beginning and 6.7GB in the end (delta: 6.6GB). Free memory was 89.1MB in the beginning and 6.1GB in the end (delta: -6.0GB). Peak memory consumption was 3.3GB. Max. memory is 16.1GB. [2024-11-09 00:53:17,876 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:53:17,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1204.03ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 88.5MB in the beginning and 91.3MB in the end (delta: -2.8MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-11-09 00:53:17,879 INFO L158 Benchmark]: Boogie Procedure Inliner took 1218.09ms. Allocated memory was 186.6MB in the beginning and 369.1MB in the end (delta: 182.5MB). Free memory was 91.3MB in the beginning and 184.9MB in the end (delta: -93.5MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. [2024-11-09 00:53:17,880 INFO L158 Benchmark]: Boogie Preprocessor took 945.65ms. Allocated memory is still 369.1MB. Free memory was 184.9MB in the beginning and 145.0MB in the end (delta: 39.8MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. [2024-11-09 00:53:17,880 INFO L158 Benchmark]: RCFGBuilder took 31433.82ms. Allocated memory was 369.1MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 145.0MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-09 00:53:17,881 INFO L158 Benchmark]: CodeCheck took 376666.16ms. Allocated memory is still 6.7GB. Free memory was 6.2GB in the beginning and 6.1GB in the end (delta: 167.1MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2024-11-09 00:53:17,885 INFO L338 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1204.03ms. Allocated memory was 134.2MB in the beginning and 186.6MB in the end (delta: 52.4MB). Free memory was 88.5MB in the beginning and 91.3MB in the end (delta: -2.8MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1218.09ms. Allocated memory was 186.6MB in the beginning and 369.1MB in the end (delta: 182.5MB). Free memory was 91.3MB in the beginning and 184.9MB in the end (delta: -93.5MB). Peak memory consumption was 113.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 945.65ms. Allocated memory is still 369.1MB. Free memory was 184.9MB in the beginning and 145.0MB in the end (delta: 39.8MB). Peak memory consumption was 82.8MB. Max. memory is 16.1GB. * RCFGBuilder took 31433.82ms. Allocated memory was 369.1MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 145.0MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 376666.16ms. Allocated memory is still 6.7GB. Free memory was 6.2GB in the beginning and 6.1GB in the end (delta: 167.1MB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:53:17,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/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_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:53:20,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:53:20,705 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-09 00:53:20,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:53:20,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:53:20,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:53:20,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:53:20,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:53:20,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:53:20,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:53:20,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:53:20,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:53:20,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:53:20,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:53:20,751 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:53:20,751 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:53:20,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:53:20,752 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:53:20,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:53:20,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:53:20,756 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:53:20,759 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:53:20,760 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:53:20,761 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:20,761 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:53:20,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:53:20,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:20,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:53:20,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:53:20,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:53:20,763 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:53:20,763 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:20,764 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:53:20,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ddab3e0e1eebfed4946662aad21562a456bb9b9cad839ce0786dd442f443c8 [2024-11-09 00:53:21,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:53:21,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:53:21,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:53:21,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:53:21,216 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:53:21,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c Unable to find full path for "g++" [2024-11-09 00:53:23,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:53:23,759 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:53:23,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c [2024-11-09 00:53:23,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data/eb0e9ab87/b768251f40294ca1b8494c5cb7a262c6/FLAG1cb095a5d [2024-11-09 00:53:23,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/data/eb0e9ab87/b768251f40294ca1b8494c5cb7a262c6 [2024-11-09 00:53:23,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:53:23,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:53:23,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:23,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:53:23,820 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:53:23,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:23" (1/1) ... [2024-11-09 00:53:23,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8fc223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:23, skipping insertion in model container [2024-11-09 00:53:23,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:53:23" (1/1) ... [2024-11-09 00:53:23,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:53:24,194 WARN L250 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_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-11-09 00:53:24,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:24,721 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:53:24,735 WARN L250 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_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.resistance.2.prop3-back-serstep.c[1178,1191] [2024-11-09 00:53:24,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:53:24,941 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:53:24,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24 WrapperNode [2024-11-09 00:53:24,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:53:24,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:24,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:53:24,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:53:24,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,141 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2235 [2024-11-09 00:53:25,141 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:53:25,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:53:25,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:53:25,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:53:25,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:53:25,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:53:25,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:53:25,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:53:25,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:53:24" (1/1) ... [2024-11-09 00:53:25,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:53:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:53:25,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:53:25,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:53:25,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:53:25,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:53:25,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:53:25,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:53:25,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:53:30,394 INFO L? ?]: Removed 199 outVars from TransFormulas that were not future-live. [2024-11-09 00:53:30,394 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:53:30,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:53:30,553 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:53:30,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:30 BoogieIcfgContainer [2024-11-09 00:53:30,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:53:30,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:53:30,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:53:30,565 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:53:30,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:53:30" (1/1) ... [2024-11-09 00:53:30,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:53:30,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-09 00:53:30,641 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-09 00:53:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 00:53:30,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:30,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:30,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:30,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:30,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:53:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:31,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:31,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:53:31,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:53:31,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:31,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:53:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:53:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-09 00:53:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-09 00:53:32,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:53:32,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:53:32,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:53:32,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:53:32,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:53:32,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f78c9b97-c7e6-4426-970e-2ac3f4e84dc6/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:53:34,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:34,009 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:53:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:53:34,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 00:53:34,572 INFO L278 TraceCheckSpWp]: Computing forward predicates...