./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d64_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_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/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_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d64_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/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_7646a705-33d5-4c6e-8450-9c684d3fb2ba/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 bb2ba337516aec53a4c46f26391f25a8a9b61a5ba88ccfd603b3e7ee578ebf88 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:01,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:01,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-13 20:50:01,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:01,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:01,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:01,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:01,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:01,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:01,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:01,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:01,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:01,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:01,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:01,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:01,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:01,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:01,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:01,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:01,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:01,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:01,898 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:01,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:01,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:01,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:01,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:01,898 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:01,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:01,899 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:01,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:01,899 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_7646a705-33d5-4c6e-8450-9c684d3fb2ba/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 -> bb2ba337516aec53a4c46f26391f25a8a9b61a5ba88ccfd603b3e7ee578ebf88 [2024-11-13 20:50:02,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:02,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:02,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:02,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:02,300 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:02,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d64_e0.c Unable to find full path for "g++" [2024-11-13 20:50:04,342 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:50:04,981 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:50:04,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d64_e0.c [2024-11-13 20:50:05,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/data/6555f7985/945758ddeb764f1c8a7f8e04e787a2d7/FLAGf18fdfdc2 [2024-11-13 20:50:05,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/data/6555f7985/945758ddeb764f1c8a7f8e04e787a2d7 [2024-11-13 20:50:05,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:50:05,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:50:05,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:05,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:50:05,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:50:05,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:05" (1/1) ... [2024-11-13 20:50:05,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4306dba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:05, skipping insertion in model container [2024-11-13 20:50:05,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:05" (1/1) ... [2024-11-13 20:50:05,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:50:05,521 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_7646a705-33d5-4c6e-8450-9c684d3fb2ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d64_e0.c[1325,1338] [2024-11-13 20:50:06,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:06,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:50:06,425 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_7646a705-33d5-4c6e-8450-9c684d3fb2ba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n3_w32_d64_e0.c[1325,1338] [2024-11-13 20:50:07,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:50:07,141 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:50:07,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07 WrapperNode [2024-11-13 20:50:07,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:50:07,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:07,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:50:07,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:50:07,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:07,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:08,993 INFO L138 Inliner]: procedures = 18, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 15665 [2024-11-13 20:50:08,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:50:08,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:50:08,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:50:08,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:50:09,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:09,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:09,220 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:09,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:09,776 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:09,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:10,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:10,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:10,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:50:10,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:50:10,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:50:10,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:50:10,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07" (1/1) ... [2024-11-13 20:50:10,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:10,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:50:10,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:50:10,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7646a705-33d5-4c6e-8450-9c684d3fb2ba/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:50:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:50:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:50:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:50:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:50:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:50:10,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:50:12,280 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:50:12,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:50:50,499 INFO L? ?]: Removed 9030 outVars from TransFormulas that were not future-live. [2024-11-13 20:50:50,499 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:14,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:14,463 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:51:14,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:14 BoogieIcfgContainer [2024-11-13 20:51:14,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:14,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:14,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:14,477 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:14,478 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:14" (1/1) ... [2024-11-13 20:51:14,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:14,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-13 20:51:14,574 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-13 20:51:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 20:51:14,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat