./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/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_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/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_269d3e82-4751-4868-98fd-c477224c2c41/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:28:46,097 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:28:46,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-08 22:28:46,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:28:46,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:28:46,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:28:46,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:28:46,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:28:46,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:28:46,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:28:46,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:28:46,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:28:46,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:28:46,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:28:46,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:28:46,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:28:46,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:28:46,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:28:46,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:28:46,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:28:46,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:28:46,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:28:46,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:28:46,262 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:28:46,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:28:46,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:28:46,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:28:46,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:28:46,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:28:46,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:28:46,265 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_269d3e82-4751-4868-98fd-c477224c2c41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-11-08 22:28:46,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:28:46,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:28:46,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:28:46,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:28:46,582 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:28:46,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:28:48,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:28:48,918 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:28:48,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-08 22:28:48,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data/faa64a683/ceb069fcd4e149c983e0fe3aa22ec7d5/FLAGede11c1b8 [2024-11-08 22:28:48,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data/faa64a683/ceb069fcd4e149c983e0fe3aa22ec7d5 [2024-11-08 22:28:48,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:28:48,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:28:48,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:48,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:28:48,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:28:48,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:48" (1/1) ... [2024-11-08 22:28:48,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607e314f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:48, skipping insertion in model container [2024-11-08 22:28:48,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:28:48" (1/1) ... [2024-11-08 22:28:49,065 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:28:49,308 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_269d3e82-4751-4868-98fd-c477224c2c41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-08 22:28:49,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:49,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:28:50,008 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_269d3e82-4751-4868-98fd-c477224c2c41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-08 22:28:50,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:28:50,239 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:28:50,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50 WrapperNode [2024-11-08 22:28:50,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:28:50,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:50,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:28:50,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:28:50,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:50,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:51,430 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7238 [2024-11-08 22:28:51,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:28:51,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:28:51,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:28:51,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:28:51,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:51,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:51,664 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:51,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:52,031 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:52,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:52,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:52,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:52,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:28:52,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:28:52,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:28:52,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:28:52,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:28:50" (1/1) ... [2024-11-08 22:28:52,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:28:52,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:28:52,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:28:52,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:28:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:28:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:28:52,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:28:52,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:28:53,161 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:28:53,167 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:29:03,508 INFO L? ?]: Removed 3985 outVars from TransFormulas that were not future-live. [2024-11-08 22:29:03,509 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:29:17,098 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:29:17,098 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:29:17,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:17 BoogieIcfgContainer [2024-11-08 22:29:17,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:29:17,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:29:17,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:29:17,110 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:29:17,110 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:17" (1/1) ... [2024-11-08 22:29:17,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:29:17,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:29:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:29:17,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:29:17,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:17,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:29:35,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:29:45,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:29:56,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:29:58,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:02,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:04,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:06,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:16,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:30:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:30:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-08 22:30:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-08 22:30:16,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:30:16,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:30:16,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:32:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:32:21,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:34:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:34:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:34:31,302 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) [2024-11-08 22:34:31,305 INFO L158 Benchmark]: Toolchain (without parser) took 342333.42ms. Allocated memory was 142.6MB in the beginning and 6.6GB in the end (delta: 6.4GB). Free memory was 101.4MB in the beginning and 5.8GB in the end (delta: -5.7GB). Peak memory consumption was 716.1MB. Max. memory is 16.1GB. [2024-11-08 22:34:31,306 INFO L158 Benchmark]: CDTParser took 1.94ms. Allocated memory is still 142.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:34:31,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1266.78ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 101.3MB in the beginning and 123.9MB in the end (delta: -22.7MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2024-11-08 22:34:31,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 1189.64ms. Allocated memory was 213.9MB in the beginning and 408.9MB in the end (delta: 195.0MB). Free memory was 123.9MB in the beginning and 235.2MB in the end (delta: -111.3MB). Peak memory consumption was 125.7MB. Max. memory is 16.1GB. [2024-11-08 22:34:31,308 INFO L158 Benchmark]: Boogie Preprocessor took 917.50ms. Allocated memory was 408.9MB in the beginning and 817.9MB in the end (delta: 408.9MB). Free memory was 235.2MB in the beginning and 605.9MB in the end (delta: -370.7MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. [2024-11-08 22:34:31,309 INFO L158 Benchmark]: RCFGBuilder took 24749.44ms. Allocated memory was 817.9MB in the beginning and 4.9GB in the end (delta: 4.0GB). Free memory was 605.9MB in the beginning and 4.3GB in the end (delta: -3.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-08 22:34:31,310 INFO L158 Benchmark]: CodeCheck took 314205.11ms. Allocated memory was 4.9GB in the beginning and 6.6GB in the end (delta: 1.7GB). Free memory was 4.3GB in the beginning and 5.8GB in the end (delta: -1.5GB). Peak memory consumption was 216.7MB. Max. memory is 16.1GB. [2024-11-08 22:34:31,313 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 1.94ms. Allocated memory is still 142.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1266.78ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 101.3MB in the beginning and 123.9MB in the end (delta: -22.7MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1189.64ms. Allocated memory was 213.9MB in the beginning and 408.9MB in the end (delta: 195.0MB). Free memory was 123.9MB in the beginning and 235.2MB in the end (delta: -111.3MB). Peak memory consumption was 125.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 917.50ms. Allocated memory was 408.9MB in the beginning and 817.9MB in the end (delta: 408.9MB). Free memory was 235.2MB in the beginning and 605.9MB in the end (delta: -370.7MB). Peak memory consumption was 99.0MB. Max. memory is 16.1GB. * RCFGBuilder took 24749.44ms. Allocated memory was 817.9MB in the beginning and 4.9GB in the end (delta: 4.0GB). Free memory was 605.9MB in the beginning and 4.3GB in the end (delta: -3.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 314205.11ms. Allocated memory was 4.9GB in the beginning and 6.6GB in the end (delta: 1.7GB). Free memory was 4.3GB in the beginning and 5.8GB in the end (delta: -1.5GB). Peak memory consumption was 216.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 22:34:31,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/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_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/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_269d3e82-4751-4868-98fd-c477224c2c41/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 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:34:34,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:34:34,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-08 22:34:34,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:34:34,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:34:34,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:34:34,203 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:34:34,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:34:34,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:34:34,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:34:34,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:34:34,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:34:34,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:34:34,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:34:34,212 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:34:34,213 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:34:34,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:34:34,213 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:34:34,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:34:34,214 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:34:34,214 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:34:34,215 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:34:34,216 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:34:34,217 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:34,217 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:34:34,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:34:34,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:34,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:34:34,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:34:34,219 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:34:34,219 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:34:34,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:34,220 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:34:34,221 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_269d3e82-4751-4868-98fd-c477224c2c41/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02856a1922cb0bbae08ee4b811423985d7eefa7297aec20cb17187445a71ca5a [2024-11-08 22:34:34,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:34:34,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:34:34,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:34:34,633 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:34:34,634 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:34:34,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-08 22:34:36,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:34:37,222 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:34:37,223 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c [2024-11-08 22:34:37,249 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data/06272c621/75fa032a3eda478c847d1bee26373f39/FLAGa56cf95bc [2024-11-08 22:34:37,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/data/06272c621/75fa032a3eda478c847d1bee26373f39 [2024-11-08 22:34:37,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:34:37,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:34:37,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:37,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:34:37,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:34:37,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:37" (1/1) ... [2024-11-08 22:34:37,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b5135cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:37, skipping insertion in model container [2024-11-08 22:34:37,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:34:37" (1/1) ... [2024-11-08 22:34:37,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:34:37,661 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_269d3e82-4751-4868-98fd-c477224c2c41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-08 22:34:38,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:38,099 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:34:38,121 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_269d3e82-4751-4868-98fd-c477224c2c41/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.train-gate.1.prop1-back-serstep.c[1178,1191] [2024-11-08 22:34:38,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:34:38,377 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:34:38,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38 WrapperNode [2024-11-08 22:34:38,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:34:38,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:38,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:34:38,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:34:38,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,607 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2318 [2024-11-08 22:34:38,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:34:38,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:34:38,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:34:38,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:34:38,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,804 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,816 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:34:38,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:34:38,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:34:38,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:34:38,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:34:38" (1/1) ... [2024-11-08 22:34:38,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:34:38,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:34:38,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:34:38,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:34:38,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:34:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:34:38,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:34:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:34:39,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:34:39,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:34:43,221 INFO L? ?]: Removed 236 outVars from TransFormulas that were not future-live. [2024-11-08 22:34:43,221 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:34:43,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:34:43,365 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:34:43,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:43 BoogieIcfgContainer [2024-11-08 22:34:43,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:34:43,367 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:34:43,367 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:34:43,377 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:34:43,378 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:34:43" (1/1) ... [2024-11-08 22:34:43,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:34:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:43,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-08 22:34:43,443 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-08 22:34:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:34:43,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:43,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:43,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:43,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:43,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:34:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:44,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:44,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 22:34:44,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:34:44,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:34:44,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:34:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:34:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-08 22:34:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-08 22:34:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:34:45,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:34:45,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:34:45,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:34:45,136 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:34:45,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_269d3e82-4751-4868-98fd-c477224c2c41/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:34:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:46,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:34:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:34:47,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:34:47,187 INFO L278 TraceCheckSpWp]: Computing forward predicates...