./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3 --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 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:54:14,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:54:14,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-11-25 03:54:14,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:54:14,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:54:14,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:54:14,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:54:14,485 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:54:14,486 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:54:14,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:54:14,487 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:54:14,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:54:14,487 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:54:14,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:54:14,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:54:14,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:54:14,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:54:14,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:54:14,488 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:54:14,488 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:54:14,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:54:14,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:54:14,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:54:14,489 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:54:14,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:54:14,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:54:14,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:54:14,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:54:14,490 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:54:14,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:54:14,490 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_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a [2024-11-25 03:54:14,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:54:14,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:54:14,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:54:14,854 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:54:14,854 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:54:14,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c [2024-11-25 03:54:18,335 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/002e97670/ad79629e87934ed290f1f3e8bf533b29/FLAG787cf5850 [2024-11-25 03:54:18,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:54:18,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c [2024-11-25 03:54:18,944 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/002e97670/ad79629e87934ed290f1f3e8bf533b29/FLAG787cf5850 [2024-11-25 03:54:18,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/002e97670/ad79629e87934ed290f1f3e8bf533b29 [2024-11-25 03:54:18,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:54:18,983 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:54:18,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:54:18,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:54:18,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:54:18,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:54:18" (1/1) ... [2024-11-25 03:54:18,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f6020d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:18, skipping insertion in model container [2024-11-25 03:54:18,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:54:18" (1/1) ... [2024-11-25 03:54:19,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:54:19,436 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_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-25 03:54:20,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:54:20,232 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:54:20,248 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_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-25 03:54:20,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:54:20,634 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:54:20,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20 WrapperNode [2024-11-25 03:54:20,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:54:20,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:54:20,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:54:20,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:54:20,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:20,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:22,282 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9967 [2024-11-25 03:54:22,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:54:22,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:54:22,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:54:22,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:54:22,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:22,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:22,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:22,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:23,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:23,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:23,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:23,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:23,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:24,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:54:24,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:54:24,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:54:24,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:54:24,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:54:20" (1/1) ... [2024-11-25 03:54:24,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:54:24,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:54:24,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:54:24,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:54:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:54:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:54:24,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:54:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:54:25,021 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:54:25,025 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:54:45,925 INFO L? ?]: Removed 5379 outVars from TransFormulas that were not future-live. [2024-11-25 03:54:45,926 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:55:08,303 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:55:08,304 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:55:08,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:08 BoogieIcfgContainer [2024-11-25 03:55:08,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:55:08,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:55:08,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:55:08,325 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:55:08,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:55:08" (1/1) ... [2024-11-25 03:55:08,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:55:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 03:55:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 03:55:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 03:55:08,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:55:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:55:26,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:55:36,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:55:39,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:55:46,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:55:49,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:55:59,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 03:55:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-11-25 03:55:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-11-25 03:55:59,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:55:59,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:59,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:02:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:02:52,326 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) [2024-11-25 04:02:52,347 INFO L158 Benchmark]: Toolchain (without parser) took 513353.12ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 88.3MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 735.2MB. Max. memory is 16.1GB. [2024-11-25 04:02:52,348 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:52,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1650.51ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 41.6MB in the end (delta: 46.7MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2024-11-25 04:02:52,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 1650.47ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 41.6MB in the beginning and 581.4MB in the end (delta: -539.8MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. [2024-11-25 04:02:52,354 INFO L158 Benchmark]: Boogie Preprocessor took 1728.33ms. Allocated memory was 780.1MB in the beginning and 645.9MB in the end (delta: -134.2MB). Free memory was 581.4MB in the beginning and 393.7MB in the end (delta: 187.7MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2024-11-25 04:02:52,355 INFO L158 Benchmark]: RCFGBuilder took 44286.92ms. Allocated memory was 645.9MB in the beginning and 1.6GB in the end (delta: 947.9MB). Free memory was 393.7MB in the beginning and 467.1MB in the end (delta: -73.4MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-25 04:02:52,356 INFO L158 Benchmark]: CodeCheck took 464029.05ms. Allocated memory was 1.6GB in the beginning and 1.8GB in the end (delta: 251.7MB). Free memory was 467.1MB in the beginning and 1.1GB in the end (delta: -622.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:02:52,361 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 0.51ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1650.51ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 41.6MB in the end (delta: 46.7MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1650.47ms. Allocated memory was 117.4MB in the beginning and 780.1MB in the end (delta: 662.7MB). Free memory was 41.6MB in the beginning and 581.4MB in the end (delta: -539.8MB). Peak memory consumption was 191.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1728.33ms. Allocated memory was 780.1MB in the beginning and 645.9MB in the end (delta: -134.2MB). Free memory was 581.4MB in the beginning and 393.7MB in the end (delta: 187.7MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * RCFGBuilder took 44286.92ms. Allocated memory was 645.9MB in the beginning and 1.6GB in the end (delta: 947.9MB). Free memory was 393.7MB in the beginning and 467.1MB in the end (delta: -73.4MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 464029.05ms. Allocated memory was 1.6GB in the beginning and 1.8GB in the end (delta: 251.7MB). Free memory was 467.1MB in the beginning and 1.1GB in the end (delta: -622.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:02:52,583 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 04:02:52,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3 --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 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:02:55,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:02:56,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-11-25 04:02:56,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:02:56,062 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:02:56,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:02:56,063 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:02:56,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:02:56,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:02:56,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:02:56,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:02:56,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:02:56,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:02:56,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:02:56,066 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:02:56,066 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:02:56,066 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:02:56,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:02:56,067 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:02:56,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:02:56,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:02:56,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:02:56,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:02:56,068 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:56,068 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:02:56,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:02:56,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:02:56,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:02:56,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:02:56,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:02:56,069 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:02:56,069 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:56,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:02:56,070 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_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 2cbafead8dcf7a786a4eb9c37bc6ff2d4805534261f8194eb2077940e6f3e76a [2024-11-25 04:02:56,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:02:56,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:02:56,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:02:56,432 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:02:56,433 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:02:56,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c [2024-11-25 04:02:59,467 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/e86f77c5b/2ac9fff6953b44f69730593cfa16fe12/FLAG3507b5cea [2024-11-25 04:02:59,970 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:02:59,971 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c [2024-11-25 04:02:59,997 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/e86f77c5b/2ac9fff6953b44f69730593cfa16fe12/FLAG3507b5cea [2024-11-25 04:03:00,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/data/e86f77c5b/2ac9fff6953b44f69730593cfa16fe12 [2024-11-25 04:03:00,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:03:00,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:03:00,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:03:00,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:03:00,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:03:00,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:03:00" (1/1) ... [2024-11-25 04:03:00,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6500d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:00, skipping insertion in model container [2024-11-25 04:03:00,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:03:00" (1/1) ... [2024-11-25 04:03:00,147 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:03:00,451 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_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-25 04:03:01,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:03:01,163 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:03:01,181 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_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.iprotocol.1.prop1-back-serstep.c[1177,1190] [2024-11-25 04:03:01,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:03:01,477 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:03:01,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01 WrapperNode [2024-11-25 04:03:01,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:03:01,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:03:01,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:03:01,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:03:01,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:01,565 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:01,827 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3031 [2024-11-25 04:03:01,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:03:01,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:03:01,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:03:01,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:03:01,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:01,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:01,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:01,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:02,002 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:02,017 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:02,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:02,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:02,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:02,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:03:02,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:03:02,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:03:02,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:03:02,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:03:01" (1/1) ... [2024-11-25 04:03:02,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:03:02,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:03:02,185 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:03:02,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:03:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:03:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:03:02,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:03:02,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:03:03,088 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:03:03,091 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:03:16,125 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-11-25 04:03:16,126 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:03:16,260 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:03:16,260 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:03:16,261 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:03:16 BoogieIcfgContainer [2024-11-25 04:03:16,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:03:16,262 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:03:16,263 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:03:16,275 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:03:16,275 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:03:16" (1/1) ... [2024-11-25 04:03:16,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:03:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-25 04:03:16,344 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-25 04:03:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 04:03:16,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:16,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:16,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:16,353 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:16,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:03:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:17,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:17,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 04:03:17,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:18,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:03:21,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:03:21,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-11-25 04:03:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-11-25 04:03:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 04:03:21,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:21,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:21,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:22,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:22,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e761fe0-9322-48da-8d7a-4c82ae4b3e0a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:03:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:25,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:26,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-11-25 04:03:26,336 INFO L279 TraceCheckSpWp]: Computing forward predicates...