./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9 --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 67d4425ec237994c0cb2c8d8b4854745977db5763f0580ad9ff94e3485e67ba2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:07:51,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:07:51,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 03:07:51,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:07:51,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:07:51,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:07:51,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:07:51,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:07:51,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:07:51,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:07:51,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:07:51,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:07:51,642 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:07:51,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:07:51,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:07:51,643 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:07:51,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:07:51,644 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:07:51,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:07:51,645 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:07:51,646 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:07:51,647 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:07:51,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:07:51,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:07:51,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:07:51,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:07:51,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:07:51,650 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:07:51,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:07:51,651 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:07:51,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d4425ec237994c0cb2c8d8b4854745977db5763f0580ad9ff94e3485e67ba2 [2023-12-03 03:07:51,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:07:51,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:07:51,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:07:51,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:07:51,904 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:07:51,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c [2023-12-03 03:07:54,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:07:54,918 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:07:54,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c [2023-12-03 03:07:54,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data/01b9733cb/1e8a2bed3b9243f3820e6f51366d15b1/FLAGbc0b331e2 [2023-12-03 03:07:54,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data/01b9733cb/1e8a2bed3b9243f3820e6f51366d15b1 [2023-12-03 03:07:54,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:07:54,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:07:54,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:07:54,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:07:54,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:07:54,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:07:54" (1/1) ... [2023-12-03 03:07:54,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7461fb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:54, skipping insertion in model container [2023-12-03 03:07:54,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:07:54" (1/1) ... [2023-12-03 03:07:55,039 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:07:55,241 WARN L240 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_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c[1172,1185] [2023-12-03 03:07:55,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:07:55,624 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:07:55,636 WARN L240 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_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c[1172,1185] [2023-12-03 03:07:55,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:07:55,913 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:07:55,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55 WrapperNode [2023-12-03 03:07:55,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:07:55,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:07:55,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:07:55,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:07:55,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:55,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:56,691 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7471 [2023-12-03 03:07:56,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:07:56,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:07:56,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:07:56,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:07:56,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:56,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:56,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:56,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:57,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:57,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:57,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:57,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:57,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:07:57,458 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:07:57,458 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:07:57,458 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:07:57,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:07:55" (1/1) ... [2023-12-03 03:07:57,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:07:57,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:07:57,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:07:57,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:07:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:07:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:07:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:07:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:07:57,947 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:07:57,950 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:08:02,535 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:08:11,665 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:08:11,665 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:08:11,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:08:11 BoogieIcfgContainer [2023-12-03 03:08:11,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:08:11,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:08:11,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:08:11,675 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:08:11,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:08:11" (1/1) ... [2023-12-03 03:08:11,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:08:11,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:08:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:08:11,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:08:11,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:11,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:08:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:08:14,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:08:25,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:08:35,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 03:08:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:08:35,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 03:08:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 03:08:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:08:35,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:08:35,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:14:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:14:49,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:19:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:20:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 03:20:10,191 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:488) 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) [2023-12-03 03:20:10,194 INFO L158 Benchmark]: Toolchain (without parser) took 735235.64ms. Allocated memory was 172.0MB in the beginning and 3.8GB in the end (delta: 3.6GB). Free memory was 137.2MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2023-12-03 03:20:10,195 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:20:10,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.61ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 94.2MB in the end (delta: 43.0MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2023-12-03 03:20:10,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 776.53ms. Allocated memory was 172.0MB in the beginning and 278.9MB in the end (delta: 107.0MB). Free memory was 94.2MB in the beginning and 123.2MB in the end (delta: -29.0MB). Peak memory consumption was 136.4MB. Max. memory is 16.1GB. [2023-12-03 03:20:10,197 INFO L158 Benchmark]: Boogie Preprocessor took 765.27ms. Allocated memory was 278.9MB in the beginning and 476.1MB in the end (delta: 197.1MB). Free memory was 123.2MB in the beginning and 280.1MB in the end (delta: -156.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2023-12-03 03:20:10,198 INFO L158 Benchmark]: RCFGBuilder took 14208.82ms. Allocated memory was 476.1MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 280.1MB in the beginning and 1.2GB in the end (delta: -954.5MB). Peak memory consumption was 906.8MB. Max. memory is 16.1GB. [2023-12-03 03:20:10,198 INFO L158 Benchmark]: CodeCheck took 718525.53ms. Allocated memory was 1.9GB in the beginning and 3.8GB in the end (delta: 1.9GB). Free memory was 1.2GB in the beginning and 2.0GB in the end (delta: -719.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-03 03:20:10,202 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.61ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 94.2MB in the end (delta: 43.0MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 776.53ms. Allocated memory was 172.0MB in the beginning and 278.9MB in the end (delta: 107.0MB). Free memory was 94.2MB in the beginning and 123.2MB in the end (delta: -29.0MB). Peak memory consumption was 136.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 765.27ms. Allocated memory was 278.9MB in the beginning and 476.1MB in the end (delta: 197.1MB). Free memory was 123.2MB in the beginning and 280.1MB in the end (delta: -156.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * RCFGBuilder took 14208.82ms. Allocated memory was 476.1MB in the beginning and 1.9GB in the end (delta: 1.4GB). Free memory was 280.1MB in the beginning and 1.2GB in the end (delta: -954.5MB). Peak memory consumption was 906.8MB. Max. memory is 16.1GB. * CodeCheck took 718525.53ms. Allocated memory was 1.9GB in the beginning and 3.8GB in the end (delta: 1.9GB). Free memory was 1.2GB in the beginning and 2.0GB in the end (delta: -719.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:20:10,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9 --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 67d4425ec237994c0cb2c8d8b4854745977db5763f0580ad9ff94e3485e67ba2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:20:12,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:20:12,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 03:20:12,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:20:12,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:20:12,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:20:12,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:20:12,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:20:12,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:20:12,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:20:12,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:20:12,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:20:12,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:20:12,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:20:12,384 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:20:12,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:20:12,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:20:12,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:20:12,386 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:20:12,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:20:12,387 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:20:12,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:20:12,392 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:12,392 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:20:12,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:20:12,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:20:12,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:20:12,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:20:12,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:20:12,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:20:12,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:12,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:20:12,396 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:20:12,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:20:12,396 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d4425ec237994c0cb2c8d8b4854745977db5763f0580ad9ff94e3485e67ba2 [2023-12-03 03:20:12,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:20:12,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:20:12,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:20:12,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:20:12,702 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:20:12,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c [2023-12-03 03:20:15,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:20:15,759 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:20:15,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c [2023-12-03 03:20:15,777 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data/cedc3f499/e74464b27c2f4e2e965345ce3c502b36/FLAG9b245326c [2023-12-03 03:20:15,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/data/cedc3f499/e74464b27c2f4e2e965345ce3c502b36 [2023-12-03 03:20:15,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:20:15,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:20:15,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:20:15,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:20:15,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:20:15,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:20:15" (1/1) ... [2023-12-03 03:20:15,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fa915a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:15, skipping insertion in model container [2023-12-03 03:20:15,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:20:15" (1/1) ... [2023-12-03 03:20:15,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:20:16,035 WARN L240 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_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c[1172,1185] [2023-12-03 03:20:16,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:20:16,391 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:20:16,401 WARN L240 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_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.hanoi.2.prop1-func-interl.c[1172,1185] [2023-12-03 03:20:16,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:20:16,580 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:20:16,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16 WrapperNode [2023-12-03 03:20:16,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:20:16,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:20:16,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:20:16,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:20:16,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,750 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2447 [2023-12-03 03:20:16,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:20:16,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:20:16,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:20:16,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:20:16,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:20:16,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:20:16,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:20:16,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:20:16,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:20:16" (1/1) ... [2023-12-03 03:20:16,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:20:16,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:20:16,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:20:16,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:20:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:20:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:20:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:20:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:20:17,378 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:20:17,381 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:20:20,898 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:20:21,068 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:20:21,068 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:20:21,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:20:21 BoogieIcfgContainer [2023-12-03 03:20:21,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:20:21,071 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:20:21,071 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:20:21,081 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:20:21,081 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:20:21" (1/1) ... [2023-12-03 03:20:21,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:20:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 03:20:21,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 03:20:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 03:20:21,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:21,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:21,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:21,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:21,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:20:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:21,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:20:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:22,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-03 03:20:22,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:20:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:20:22,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:20:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:20:23,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 03:20:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 03:20:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:20:23,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:20:23,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:20:23,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:20:23,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:20:23,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c5ad287-9ca1-4dbe-b49b-0377f759aed7/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:20:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:24,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:20:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:20:25,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 2092 conjuncts, 160 conjunts are in the unsatisfiable core [2023-12-03 03:20:25,338 INFO L285 TraceCheckSpWp]: Computing forward predicates...