./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b --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 b11109db17e2300556eb0be1a2cd727ad12694a67c31b4a6d1bd6598fc4d9801 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:00:37,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:00:37,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 00:00:37,414 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:00:37,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:00:37,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:00:37,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:00:37,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:00:37,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:00:37,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:00:37,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:00:37,437 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:00:37,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:00:37,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:00:37,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:00:37,437 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:00:37,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:00:37,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:00:37,437 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:00:37,437 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:00:37,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:00:37,438 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:00:37,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:00:37,438 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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b 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 -> b11109db17e2300556eb0be1a2cd727ad12694a67c31b4a6d1bd6598fc4d9801 [2024-12-06 00:00:37,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:00:37,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:00:37,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:00:37,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:00:37,678 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:00:37,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c [2024-12-06 00:00:40,289 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/e2838288c/51f9273e7e0a48e09ba5d5cda9c4b4ac/FLAG9a8f255c4 [2024-12-06 00:00:40,611 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:00:40,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c [2024-12-06 00:00:40,625 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/e2838288c/51f9273e7e0a48e09ba5d5cda9c4b4ac/FLAG9a8f255c4 [2024-12-06 00:00:40,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/e2838288c/51f9273e7e0a48e09ba5d5cda9c4b4ac [2024-12-06 00:00:40,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:00:40,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:00:40,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:00:40,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:00:40,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:00:40,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:00:40" (1/1) ... [2024-12-06 00:00:40,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5cd18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:40, skipping insertion in model container [2024-12-06 00:00:40,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:00:40" (1/1) ... [2024-12-06 00:00:40,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:00:40,839 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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c[1172,1185] [2024-12-06 00:00:41,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:00:41,219 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:00:41,226 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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c[1172,1185] [2024-12-06 00:00:41,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:00:41,435 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:00:41,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41 WrapperNode [2024-12-06 00:00:41,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:00:41,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:00:41,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:00:41,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:00:41,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:41,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,212 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 11628 [2024-12-06 00:00:42,213 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:00:42,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:00:42,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:00:42,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:00:42,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,690 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:42,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:43,067 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:00:43,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:00:43,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:00:43,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:00:43,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:00:41" (1/1) ... [2024-12-06 00:00:43,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:00:43,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:00:43,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:00:43,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:00:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:00:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:00:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:00:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:00:43,724 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:00:43,726 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:00:59,772 INFO L? ?]: Removed 6198 outVars from TransFormulas that were not future-live. [2024-12-06 00:00:59,773 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:01:16,253 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:01:16,254 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:01:16,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:16 BoogieIcfgContainer [2024-12-06 00:01:16,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:01:16,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:01:16,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:01:16,265 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:01:16,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:16" (1/1) ... [2024-12-06 00:01:16,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:01:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:01:16,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:01:16,312 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:01:16,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:01:16,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:01:16,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:01:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:01:20,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:01:30,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:01:40,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:01:47,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:01:56,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.63s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:01:58,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:02:00,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:02:10,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:02:10,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-06 00:02:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-06 00:02:10,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:02:10,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:02:10,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:06:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:06:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:06:41,409 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) [2024-12-06 00:06:41,413 INFO L158 Benchmark]: Toolchain (without parser) took 360771.36ms. Allocated memory was 142.6MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 112.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-06 00:06:41,413 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:06:41,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.54ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.9MB in the beginning and 70.0MB in the end (delta: 41.9MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. [2024-12-06 00:06:41,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 776.44ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 70.0MB in the beginning and 142.6MB in the end (delta: -72.6MB). Peak memory consumption was 239.6MB. Max. memory is 16.1GB. [2024-12-06 00:06:41,414 INFO L158 Benchmark]: Boogie Preprocessor took 853.99ms. Allocated memory was 369.1MB in the beginning and 897.6MB in the end (delta: 528.5MB). Free memory was 142.6MB in the beginning and 615.1MB in the end (delta: -472.5MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. [2024-12-06 00:06:41,415 INFO L158 Benchmark]: RCFGBuilder took 33185.68ms. Allocated memory was 897.6MB in the beginning and 3.5GB in the end (delta: 2.6GB). Free memory was 615.1MB in the beginning and 2.6GB in the end (delta: -2.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-12-06 00:06:41,415 INFO L158 Benchmark]: CodeCheck took 325156.81ms. Allocated memory is still 3.5GB. Free memory was 2.6GB in the beginning and 2.3GB in the end (delta: 319.1MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. [2024-12-06 00:06:41,417 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 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.54ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 111.9MB in the beginning and 70.0MB in the end (delta: 41.9MB). Peak memory consumption was 109.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 776.44ms. Allocated memory was 151.0MB in the beginning and 369.1MB in the end (delta: 218.1MB). Free memory was 70.0MB in the beginning and 142.6MB in the end (delta: -72.6MB). Peak memory consumption was 239.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 853.99ms. Allocated memory was 369.1MB in the beginning and 897.6MB in the end (delta: 528.5MB). Free memory was 142.6MB in the beginning and 615.1MB in the end (delta: -472.5MB). Peak memory consumption was 93.7MB. Max. memory is 16.1GB. * RCFGBuilder took 33185.68ms. Allocated memory was 897.6MB in the beginning and 3.5GB in the end (delta: 2.6GB). Free memory was 615.1MB in the beginning and 2.6GB in the end (delta: -2.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 325156.81ms. Allocated memory is still 3.5GB. Free memory was 2.6GB in the beginning and 2.3GB in the end (delta: 319.1MB). Peak memory consumption was 323.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 00:06:41,624 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-06 00:06:41,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b --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 b11109db17e2300556eb0be1a2cd727ad12694a67c31b4a6d1bd6598fc4d9801 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:06:43,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:06:43,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 00:06:43,714 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:06:43,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:06:43,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:06:43,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:06:43,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:06:43,716 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:06:43,716 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:06:43,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:06:43,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:06:43,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:06:43,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:06:43,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:43,717 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:06:43,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:06:43,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:43,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:06:43,718 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:06:43,718 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:06:43,718 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:06:43,718 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:43,718 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:06:43,718 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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b 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 -> b11109db17e2300556eb0be1a2cd727ad12694a67c31b4a6d1bd6598fc4d9801 [2024-12-06 00:06:43,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:06:43,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:06:43,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:06:43,980 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:06:43,980 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:06:43,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c [2024-12-06 00:06:46,707 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/12ff75af9/a661a519e58641fcbedd360f1f3d9036/FLAG67df7f1d4 [2024-12-06 00:06:47,035 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:06:47,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c [2024-12-06 00:06:47,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/12ff75af9/a661a519e58641fcbedd360f1f3d9036/FLAG67df7f1d4 [2024-12-06 00:06:47,263 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/data/12ff75af9/a661a519e58641fcbedd360f1f3d9036 [2024-12-06 00:06:47,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:06:47,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:06:47,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:47,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:06:47,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:06:47,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:47,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26569014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47, skipping insertion in model container [2024-12-06 00:06:47,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:47,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:06:47,461 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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c[1172,1185] [2024-12-06 00:06:47,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:47,769 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:06:47,777 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_0becec7a-ddeb-40b9-b8dd-17adb81e262e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop3-back-serstep.c[1172,1185] [2024-12-06 00:06:47,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:06:47,930 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:06:47,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47 WrapperNode [2024-12-06 00:06:47,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:06:47,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:47,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:06:47,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:06:47,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:47,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,066 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3320 [2024-12-06 00:06:48,066 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:06:48,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:06:48,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:06:48,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:06:48,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,159 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:06:48,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:06:48,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:06:48,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:06:48,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:06:47" (1/1) ... [2024-12-06 00:06:48,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:06:48,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:06:48,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:06:48,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:06:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:06:48,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:06:48,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:06:48,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:06:48,749 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:06:48,751 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:06:53,409 INFO L? ?]: Removed 316 outVars from TransFormulas that were not future-live. [2024-12-06 00:06:53,409 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:06:53,509 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:06:53,509 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:06:53,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:53 BoogieIcfgContainer [2024-12-06 00:06:53,509 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:06:53,510 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:06:53,510 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:06:53,519 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:06:53,519 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:06:53" (1/1) ... [2024-12-06 00:06:53,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:06:53,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:06:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:06:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:06:53,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:53,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:53,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:06:53,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:06:53,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:06:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:54,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:06:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:54,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:06:54,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:06:54,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:06:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 00:06:55,708 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 00:06:55,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:06:55,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:55,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:55,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:06:55,710 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:06:55,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0becec7a-ddeb-40b9-b8dd-17adb81e262e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:06:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:57,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:06:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:57,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 632 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 00:06:57,656 INFO L279 TraceCheckSpWp]: Computing forward predicates...