./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm --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 dd4d1ad4433d2d474dfaee32168d03186915402116631968fe9ca30b9275300d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:39:58,897 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:39:58,992 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 16:39:58,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:39:58,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:39:59,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:39:59,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:39:59,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:39:59,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:39:59,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:39:59,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:39:59,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:39:59,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:39:59,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:39:59,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:39:59,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:39:59,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:39:59,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:39:59,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:39:59,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:39:59,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:39:59,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:39:59,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:39:59,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:39:59,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:39:59,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:39:59,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:39:59,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:39:59,032 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:39:59,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:39:59,033 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm 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 -> dd4d1ad4433d2d474dfaee32168d03186915402116631968fe9ca30b9275300d [2024-11-13 16:39:59,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:39:59,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:39:59,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:39:59,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:39:59,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:39:59,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c Unable to find full path for "g++" [2024-11-13 16:40:01,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:01,761 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:01,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c [2024-11-13 16:40:01,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data/108125aff/b06e0f311491447ab2907ff01c718b77/FLAG004ef8756 [2024-11-13 16:40:01,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data/108125aff/b06e0f311491447ab2907ff01c718b77 [2024-11-13 16:40:01,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:01,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:01,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:01,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:01,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:01,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:01" (1/1) ... [2024-11-13 16:40:01,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7791418b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:01, skipping insertion in model container [2024-11-13 16:40:01,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:01" (1/1) ... [2024-11-13 16:40:01,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:02,189 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_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c[1325,1338] [2024-11-13 16:40:02,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:02,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:02,963 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_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c[1325,1338] [2024-11-13 16:40:03,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:03,351 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:03,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03 WrapperNode [2024-11-13 16:40:03,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:03,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:03,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:03,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:03,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:03,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:04,424 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8723 [2024-11-13 16:40:04,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:04,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:04,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:04,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:04,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:04,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:04,654 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:04,654 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:04,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:05,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:05,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:05,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:05,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:05,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:05,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:05,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:05,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:03" (1/1) ... [2024-11-13 16:40:05,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:05,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:05,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:05,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:05,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:40:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:40:05,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:40:05,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:05,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:06,360 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:06,362 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:20,144 INFO L? ?]: Removed 4843 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:20,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:34,351 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:34,352 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:40:34,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:34 BoogieIcfgContainer [2024-11-13 16:40:34,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:34,353 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:34,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:34,365 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:34,365 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:34" (1/1) ... [2024-11-13 16:40:34,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-13 16:40:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-13 16:40:34,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 16:40:34,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:34,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 16:41:04,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:16,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:26,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:37,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:47,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:57,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:07,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:07,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 88 transitions. [2024-11-13 16:42:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-13 16:42:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 16:42:07,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:07,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:42:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 16:42:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:22,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 62 states and 88 transitions. [2024-11-13 16:42:22,216 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 88 transitions. [2024-11-13 16:42:22,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 16:42:22,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:22,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:42:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:54,629 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-13 16:43:06,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:16,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:17,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:27,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:43:27,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 62 states and 87 transitions. [2024-11-13 16:43:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2024-11-13 16:43:27,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 16:43:27,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:27,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:46:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:46:49,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:50:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:50:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:50:15,793 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) [2024-11-13 16:50:15,798 INFO L158 Benchmark]: Toolchain (without parser) took 613968.95ms. Allocated memory was 117.4MB in the beginning and 3.4GB in the end (delta: 3.3GB). Free memory was 86.7MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-13 16:50:15,799 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:50:15,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1522.32ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 44.2MB in the end (delta: 42.5MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2024-11-13 16:50:15,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 1070.32ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.2MB in the beginning and 77.8MB in the end (delta: -33.5MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2024-11-13 16:50:15,801 INFO L158 Benchmark]: Boogie Preprocessor took 1029.07ms. Allocated memory was 243.3MB in the beginning and 562.0MB in the end (delta: 318.8MB). Free memory was 77.8MB in the beginning and 368.8MB in the end (delta: -291.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-11-13 16:50:15,801 INFO L158 Benchmark]: RCFGBuilder took 28895.43ms. Allocated memory was 562.0MB in the beginning and 1.7GB in the end (delta: 1.1GB). Free memory was 368.8MB in the beginning and 1.2GB in the end (delta: -871.6MB). Peak memory consumption was 642.9MB. Max. memory is 16.1GB. [2024-11-13 16:50:15,802 INFO L158 Benchmark]: CodeCheck took 581443.89ms. Allocated memory was 1.7GB in the beginning and 3.4GB in the end (delta: 1.7GB). Free memory was 1.2GB in the beginning and 2.1GB in the end (delta: -865.9MB). Peak memory consumption was 828.4MB. Max. memory is 16.1GB. [2024-11-13 16:50:15,804 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 0.74ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1522.32ms. Allocated memory is still 117.4MB. Free memory was 86.7MB in the beginning and 44.2MB in the end (delta: 42.5MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1070.32ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.2MB in the beginning and 77.8MB in the end (delta: -33.5MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1029.07ms. Allocated memory was 243.3MB in the beginning and 562.0MB in the end (delta: 318.8MB). Free memory was 77.8MB in the beginning and 368.8MB in the end (delta: -291.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * RCFGBuilder took 28895.43ms. Allocated memory was 562.0MB in the beginning and 1.7GB in the end (delta: 1.1GB). Free memory was 368.8MB in the beginning and 1.2GB in the end (delta: -871.6MB). Peak memory consumption was 642.9MB. Max. memory is 16.1GB. * CodeCheck took 581443.89ms. Allocated memory was 1.7GB in the beginning and 3.4GB in the end (delta: 1.7GB). Free memory was 1.2GB in the beginning and 2.1GB in the end (delta: -865.9MB). Peak memory consumption was 828.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:50:15,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm --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 dd4d1ad4433d2d474dfaee32168d03186915402116631968fe9ca30b9275300d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:50:18,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:50:18,768 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-13 16:50:18,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:50:18,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:50:18,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:50:18,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:50:18,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:50:18,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:50:18,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:50:18,823 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:50:18,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:50:18,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:50:18,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:50:18,824 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:50:18,824 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:50:18,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:50:18,824 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:50:18,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:50:18,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:50:18,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:50:18,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:50:18,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:50:18,825 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:18,825 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:50:18,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:50:18,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:18,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:50:18,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:50:18,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:50:18,826 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:50:18,826 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:18,827 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:50:18,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm 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 -> dd4d1ad4433d2d474dfaee32168d03186915402116631968fe9ca30b9275300d [2024-11-13 16:50:19,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:50:19,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:50:19,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:50:19,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:50:19,169 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:50:19,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c Unable to find full path for "g++" [2024-11-13 16:50:21,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:50:21,833 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:50:21,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c [2024-11-13 16:50:21,880 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data/8ed230a09/65402d7f00a24775b144bf5887d18487/FLAG8289a865a [2024-11-13 16:50:21,902 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/data/8ed230a09/65402d7f00a24775b144bf5887d18487 [2024-11-13 16:50:21,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:50:21,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:50:21,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:21,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:50:21,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:50:21,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:21" (1/1) ... [2024-11-13 16:50:21,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715c55ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:21, skipping insertion in model container [2024-11-13 16:50:21,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:50:21" (1/1) ... [2024-11-13 16:50:22,024 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:50:22,262 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_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c[1325,1338] [2024-11-13 16:50:22,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:22,801 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:50:22,811 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_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c[1325,1338] [2024-11-13 16:50:23,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:50:23,094 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:50:23,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23 WrapperNode [2024-11-13 16:50:23,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:50:23,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:23,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:50:23,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:50:23,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,366 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3419 [2024-11-13 16:50:23,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:50:23,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:50:23,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:50:23,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:50:23,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:50:23,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:50:23,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:50:23,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:50:23,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:50:23" (1/1) ... [2024-11-13 16:50:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:50:23,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:50:23,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:50:23,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:50:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:50:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:50:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:50:23,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:50:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:50:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:50:24,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:50:24,373 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:50:28,297 INFO L? ?]: Removed 1234 outVars from TransFormulas that were not future-live. [2024-11-13 16:50:28,297 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:50:28,480 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:50:28,482 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:50:28,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:28 BoogieIcfgContainer [2024-11-13 16:50:28,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:50:28,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:50:28,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:50:28,493 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:50:28,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:50:28" (1/1) ... [2024-11-13 16:50:28,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:50:28,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:28,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2024-11-13 16:50:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-13 16:50:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 16:50:28,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:28,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:28,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:28,569 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:28,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:50:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:30,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:31,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 1420 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 16:50:31,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:32,373 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 16:50:32,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:50:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 62 states and 89 transitions. [2024-11-13 16:50:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions. [2024-11-13 16:50:33,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 16:50:33,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:33,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:33,870 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:33,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:50:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:37,473 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:38,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 2774 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 16:50:38,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:50:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 678 backedges. 8 proven. 45 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-11-13 16:50:41,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:50:47,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:50:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 116 states and 175 transitions. [2024-11-13 16:50:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 175 transitions. [2024-11-13 16:50:47,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-13 16:50:47,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:50:47,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:50:47,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:50:47,623 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:50:47,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:50:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:52,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:50:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:50:55,156 INFO L255 TraceCheckSpWp]: Trace formula consists of 4128 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-11-13 16:50:55,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:51:10,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1567 backedges. 88 proven. 137 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2024-11-13 16:51:10,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 16:51:53,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 199 states and 316 transitions. [2024-11-13 16:51:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 316 transitions. [2024-11-13 16:51:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2024-11-13 16:51:53,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:53,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:51:53,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:51:53,094 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:51:53,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a5ecc8e-1dca-4070-8605-a5074ed3c1ff/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:52:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:02,132 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:52:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:06,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 5482 conjuncts, 657 conjuncts are in the unsatisfiable core [2024-11-13 16:52:06,210 INFO L278 TraceCheckSpWp]: Computing forward predicates...