./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.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_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/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_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/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_2c485aff-6291-43e5-acec-2e1614138409/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 ec9cd31edb7a378899faf68c0fb229a7e28128257eb8c70cd74f7243f49696d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:48:09,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:48:09,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 23:48:09,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:48:09,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:48:09,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:48:09,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:48:09,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:48:09,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:48:09,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:48:09,500 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:48:09,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:48:09,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:48:09,502 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:48:09,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:48:09,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:48:09,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:48:09,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:48:09,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:48:09,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:48:09,502 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:48:09,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:48:09,502 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_2c485aff-6291-43e5-acec-2e1614138409/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 -> ec9cd31edb7a378899faf68c0fb229a7e28128257eb8c70cd74f7243f49696d3 [2024-12-05 23:48:09,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:48:09,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:48:09,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:48:09,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:48:09,747 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:48:09,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c [2024-12-05 23:48:12,365 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/0c2d7773a/64ae2522d0af4032824bc267d36d93ff/FLAG8c650aec4 [2024-12-05 23:48:12,708 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:48:12,709 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c [2024-12-05 23:48:12,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/0c2d7773a/64ae2522d0af4032824bc267d36d93ff/FLAG8c650aec4 [2024-12-05 23:48:12,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/0c2d7773a/64ae2522d0af4032824bc267d36d93ff [2024-12-05 23:48:12,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:48:12,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:48:12,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:48:12,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:48:12,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:48:12,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:48:12" (1/1) ... [2024-12-05 23:48:12,759 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6af52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:12, skipping insertion in model container [2024-12-05 23:48:12,759 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:48:12" (1/1) ... [2024-12-05 23:48:12,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:48:12,988 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_2c485aff-6291-43e5-acec-2e1614138409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c[1176,1189] [2024-12-05 23:48:13,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:48:13,377 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:48:13,383 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_2c485aff-6291-43e5-acec-2e1614138409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c[1176,1189] [2024-12-05 23:48:13,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:48:13,619 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:48:13,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13 WrapperNode [2024-12-05 23:48:13,619 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:48:13,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:48:13,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:48:13,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:48:13,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:13,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:14,547 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 12168 [2024-12-05 23:48:14,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:48:14,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:48:14,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:48:14,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:48:14,553 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:14,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:14,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:14,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:15,129 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:15,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:15,242 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:15,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:15,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:15,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:48:15,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:48:15,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:48:15,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:48:15,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:48:13" (1/1) ... [2024-12-05 23:48:15,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:48:15,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:48:15,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:48:15,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:48:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:48:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:48:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:48:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:48:16,119 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:48:16,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:48:31,193 INFO L? ?]: Removed 6695 outVars from TransFormulas that were not future-live. [2024-12-05 23:48:31,194 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:48:48,999 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:48:49,000 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:48:49,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:48:49 BoogieIcfgContainer [2024-12-05 23:48:49,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:48:49,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:48:49,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:48:49,010 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:48:49,010 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:48:49" (1/1) ... [2024-12-05 23:48:49,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:48:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:48:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:48:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:48:49,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:48:49,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:48:49,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:48:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:48:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:49:09,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:49:19,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-05 23:49:27,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:37,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:43,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.73s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:54,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:49:54,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:49:54,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 23:49:54,433 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 23:49:54,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:49:54,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:49:54,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:55:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:55:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 23:55:38,592 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) [2024-12-05 23:55:38,596 INFO L158 Benchmark]: Toolchain (without parser) took 445843.71ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 110.8MB in the beginning and 631.6MB in the end (delta: -520.8MB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-05 23:55:38,596 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:55:38,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 866.37ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 110.8MB in the beginning and 255.9MB in the end (delta: -145.1MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-12-05 23:55:38,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 926.83ms. Allocated memory was 335.5MB in the beginning and 1.0GB in the end (delta: 671.1MB). Free memory was 255.9MB in the beginning and 765.2MB in the end (delta: -509.3MB). Peak memory consumption was 247.0MB. Max. memory is 16.1GB. [2024-12-05 23:55:38,598 INFO L158 Benchmark]: Boogie Preprocessor took 921.09ms. Allocated memory was 1.0GB in the beginning and 838.9MB in the end (delta: -167.8MB). Free memory was 765.2MB in the beginning and 521.0MB in the end (delta: 244.2MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2024-12-05 23:55:38,599 INFO L158 Benchmark]: RCFGBuilder took 33530.73ms. Allocated memory was 838.9MB in the beginning and 8.3GB in the end (delta: 7.5GB). Free memory was 521.0MB in the beginning and 7.6GB in the end (delta: -7.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2024-12-05 23:55:38,600 INFO L158 Benchmark]: CodeCheck took 409593.82ms. Allocated memory was 8.3GB in the beginning and 2.3GB in the end (delta: -6.0GB). Free memory was 7.6GB in the beginning and 631.6MB in the end (delta: 6.9GB). Peak memory consumption was 895.2MB. Max. memory is 16.1GB. [2024-12-05 23:55:38,603 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 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 866.37ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 110.8MB in the beginning and 255.9MB in the end (delta: -145.1MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 926.83ms. Allocated memory was 335.5MB in the beginning and 1.0GB in the end (delta: 671.1MB). Free memory was 255.9MB in the beginning and 765.2MB in the end (delta: -509.3MB). Peak memory consumption was 247.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 921.09ms. Allocated memory was 1.0GB in the beginning and 838.9MB in the end (delta: -167.8MB). Free memory was 765.2MB in the beginning and 521.0MB in the end (delta: 244.2MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. * RCFGBuilder took 33530.73ms. Allocated memory was 838.9MB in the beginning and 8.3GB in the end (delta: 7.5GB). Free memory was 521.0MB in the beginning and 7.6GB in the end (delta: -7.0GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * CodeCheck took 409593.82ms. Allocated memory was 8.3GB in the beginning and 2.3GB in the end (delta: -6.0GB). Free memory was 7.6GB in the beginning and 631.6MB in the end (delta: 6.9GB). Peak memory consumption was 895.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-05 23:55:38,813 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-12-05 23:55:38,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/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_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/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_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/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_2c485aff-6291-43e5-acec-2e1614138409/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 ec9cd31edb7a378899faf68c0fb229a7e28128257eb8c70cd74f7243f49696d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:55:40,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:55:40,746 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 23:55:40,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:55:40,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:55:40,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:55:40,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:55:40,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:55:40,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:55:40,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:55:40,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:55:40,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:55:40,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:55:40,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:55:40,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:55:40,774 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:55:40,774 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:55:40,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:55:40,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:55:40,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:55:40,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:55:40,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:55:40,775 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:55:40,775 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:55:40,775 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:55:40,775 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_2c485aff-6291-43e5-acec-2e1614138409/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 -> ec9cd31edb7a378899faf68c0fb229a7e28128257eb8c70cd74f7243f49696d3 [2024-12-05 23:55:40,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:55:40,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:55:40,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:55:40,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:55:40,997 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:55:40,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c [2024-12-05 23:55:43,615 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/8a29f5508/c47a943e6ff2427789242b287eee7c7b/FLAG7b099a616 [2024-12-05 23:55:43,977 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:55:43,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c [2024-12-05 23:55:44,004 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/8a29f5508/c47a943e6ff2427789242b287eee7c7b/FLAG7b099a616 [2024-12-05 23:55:44,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/data/8a29f5508/c47a943e6ff2427789242b287eee7c7b [2024-12-05 23:55:44,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:55:44,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:55:44,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:55:44,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:55:44,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:55:44,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:55:44" (1/1) ... [2024-12-05 23:55:44,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db30dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:44, skipping insertion in model container [2024-12-05 23:55:44,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:55:44" (1/1) ... [2024-12-05 23:55:44,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:55:44,440 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_2c485aff-6291-43e5-acec-2e1614138409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c[1176,1189] [2024-12-05 23:55:44,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:55:44,797 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:55:44,806 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_2c485aff-6291-43e5-acec-2e1614138409/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.7.prop1-back-serstep.c[1176,1189] [2024-12-05 23:55:45,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:55:45,041 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:55:45,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45 WrapperNode [2024-12-05 23:55:45,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:55:45,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:55:45,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:55:45,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:55:45,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,243 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3888 [2024-12-05 23:55:45,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:55:45,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:55:45,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:55:45,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:55:45,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,333 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:55:45,388 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:55:45,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:55:45,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:55:45,389 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:55:45" (1/1) ... [2024-12-05 23:55:45,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:55:45,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:55:45,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:55:45,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:55:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:55:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:55:45,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:55:45,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:55:45,996 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:55:45,998 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:56:01,298 INFO L? ?]: Removed 304 outVars from TransFormulas that were not future-live. [2024-12-05 23:56:01,298 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:56:01,453 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:56:01,453 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:56:01,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:56:01 BoogieIcfgContainer [2024-12-05 23:56:01,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:56:01,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:56:01,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:56:01,463 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:56:01,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:56:01" (1/1) ... [2024-12-05 23:56:01,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:56:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 23:56:01,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 23:56:01,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:56:01,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:01,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:01,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:01,511 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:01,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:56:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:02,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:02,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:56:02,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:56:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:56:02,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:56:13,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:56:14,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-05 23:56:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:56:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 23:56:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 23:56:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:56:15,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:56:15,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:56:15,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:56:15,012 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:56:15,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c485aff-6291-43e5-acec-2e1614138409/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:56:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:18,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:56:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:56:19,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-12-05 23:56:19,037 INFO L279 TraceCheckSpWp]: Computing forward predicates...