./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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 cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:51:23,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:51:23,652 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 04:51:23,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:51:23,657 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:51:23,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:51:23,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:51:23,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:51:23,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:51:23,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:51:23,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:51:23,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:51:23,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:51:23,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:51:23,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:51:23,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:51:23,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:51:23,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:51:23,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:51:23,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:51:23,687 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:51:23,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:51:23,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:51:23,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:51:23,689 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:51:23,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:51:23,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:51:23,691 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:51:23,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:51:23,691 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:51:23,692 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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 [2023-12-03 04:51:23,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:51:23,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:51:23,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:51:23,939 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:51:23,940 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:51:23,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2023-12-03 04:51:26,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:51:26,922 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:51:26,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2023-12-03 04:51:26,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data/8a3d4c986/641a0d58c0f647aea4b2e6f297509b94/FLAG2dc2aa893 [2023-12-03 04:51:26,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data/8a3d4c986/641a0d58c0f647aea4b2e6f297509b94 [2023-12-03 04:51:26,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:51:26,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:51:26,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:51:26,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:51:26,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:51:26,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:51:26" (1/1) ... [2023-12-03 04:51:26,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccfed29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:26, skipping insertion in model container [2023-12-03 04:51:26,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:51:26" (1/1) ... [2023-12-03 04:51:27,007 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:51:27,144 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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2023-12-03 04:51:27,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:51:27,313 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:51:27,325 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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2023-12-03 04:51:27,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:51:27,422 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:51:27,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27 WrapperNode [2023-12-03 04:51:27,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:51:27,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:51:27,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:51:27,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:51:27,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,677 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2193 [2023-12-03 04:51:27,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:51:27,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:51:27,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:51:27,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:51:27,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,717 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:51:27,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:51:27,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:51:27,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:51:27,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:51:27" (1/1) ... [2023-12-03 04:51:27,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:51:27,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:51:27,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:51:27,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:51:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:51:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:51:27,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:51:27,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:51:28,116 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:51:28,118 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:51:29,795 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:51:32,681 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:51:32,681 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:51:32,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:51:32 BoogieIcfgContainer [2023-12-03 04:51:32,683 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:51:32,684 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:51:32,684 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:51:32,694 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:51:32,694 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:51:32" (1/1) ... [2023-12-03 04:51:32,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:51:32,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:32,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:51:32,756 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:51:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:51:32,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:32,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:51:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:34,734 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 04:51:44,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:51:54,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:51:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 04:51:55,550 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 04:51:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:51:55,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:55,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:52:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:13,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:52:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:52:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 04:52:37,307 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 04:52:37,310 INFO L158 Benchmark]: Toolchain (without parser) took 70357.08ms. Allocated memory was 153.1MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 111.3MB in the beginning and 544.1MB in the end (delta: -432.8MB). Peak memory consumption was 678.8MB. Max. memory is 16.1GB. [2023-12-03 04:52:37,311 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:52:37,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.98ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 81.0MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 04:52:37,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 253.29ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 81.0MB in the beginning and 122.9MB in the end (delta: -41.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2023-12-03 04:52:37,312 INFO L158 Benchmark]: Boogie Preprocessor took 194.26ms. Allocated memory is still 186.6MB. Free memory was 122.9MB in the beginning and 106.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:52:37,313 INFO L158 Benchmark]: RCFGBuilder took 4810.19ms. Allocated memory was 186.6MB in the beginning and 314.6MB in the end (delta: 127.9MB). Free memory was 106.1MB in the beginning and 144.5MB in the end (delta: -38.5MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. [2023-12-03 04:52:37,314 INFO L158 Benchmark]: CodeCheck took 64625.77ms. Allocated memory was 314.6MB in the beginning and 1.3GB in the end (delta: 947.9MB). Free memory was 144.5MB in the beginning and 544.1MB in the end (delta: -399.5MB). Peak memory consumption was 551.5MB. Max. memory is 16.1GB. [2023-12-03 04:52:37,317 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 0.23ms. Allocated memory is still 107.0MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.98ms. Allocated memory is still 153.1MB. Free memory was 111.3MB in the beginning and 81.0MB in the end (delta: 30.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 253.29ms. Allocated memory was 153.1MB in the beginning and 186.6MB in the end (delta: 33.6MB). Free memory was 81.0MB in the beginning and 122.9MB in the end (delta: -41.8MB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.26ms. Allocated memory is still 186.6MB. Free memory was 122.9MB in the beginning and 106.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4810.19ms. Allocated memory was 186.6MB in the beginning and 314.6MB in the end (delta: 127.9MB). Free memory was 106.1MB in the beginning and 144.5MB in the end (delta: -38.5MB). Peak memory consumption was 172.3MB. Max. memory is 16.1GB. * CodeCheck took 64625.77ms. Allocated memory was 314.6MB in the beginning and 1.3GB in the end (delta: 947.9MB). Free memory was 144.5MB in the beginning and 544.1MB in the end (delta: -399.5MB). Peak memory consumption was 551.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:52:37,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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 cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:52:39,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:52:39,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 04:52:39,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:52:39,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:52:39,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:52:39,371 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:52:39,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:52:39,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:52:39,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:52:39,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:52:39,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:52:39,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:52:39,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:52:39,375 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:52:39,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:52:39,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:52:39,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:52:39,377 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:52:39,378 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:52:39,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:52:39,379 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:52:39,379 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:39,380 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:52:39,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:52:39,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:52:39,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:52:39,382 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:52:39,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:52:39,382 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:52:39,383 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:39,383 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:52:39,384 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:52:39,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:52:39,384 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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf781dc2288a00f369934df75df908cdb6dbb08527402be5afe46a5cc4e19cf1 [2023-12-03 04:52:39,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:52:39,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:52:39,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:52:39,694 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:52:39,695 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:52:39,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2023-12-03 04:52:42,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:52:42,734 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:52:42,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c [2023-12-03 04:52:42,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data/241acd215/f163f4ee6d2c42d7a38a6d8dae249d80/FLAG2dadc9ef8 [2023-12-03 04:52:42,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/data/241acd215/f163f4ee6d2c42d7a38a6d8dae249d80 [2023-12-03 04:52:42,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:52:42,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:52:42,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:52:42,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:52:42,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:52:42,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:52:42" (1/1) ... [2023-12-03 04:52:42,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1a01c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:42, skipping insertion in model container [2023-12-03 04:52:42,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:52:42" (1/1) ... [2023-12-03 04:52:42,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:52:42,980 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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2023-12-03 04:52:43,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:52:43,124 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:52:43,137 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_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.2.prop1-back-serstep.c[1174,1187] [2023-12-03 04:52:43,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:52:43,219 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:52:43,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43 WrapperNode [2023-12-03 04:52:43,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:52:43,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:52:43,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:52:43,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:52:43,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,300 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 575 [2023-12-03 04:52:43,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:52:43,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:52:43,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:52:43,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:52:43,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,346 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:52:43,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:52:43,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:52:43,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:52:43,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:52:43" (1/1) ... [2023-12-03 04:52:43,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:52:43,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:52:43,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:52:43,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:52:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:52:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:52:43,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:52:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:52:43,605 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:52:43,607 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:52:44,132 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:52:44,186 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:52:44,187 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 04:52:44,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:44 BoogieIcfgContainer [2023-12-03 04:52:44,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:52:44,189 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:52:44,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:52:44,199 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:52:44,200 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:52:44" (1/1) ... [2023-12-03 04:52:44,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:52:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:44,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 04:52:44,257 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 04:52:44,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 04:52:44,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:44,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:44,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:44,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:44,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:52:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:44,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:44,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 04:52:44,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:44,697 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 04:52:44,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:52:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:44,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 04:52:44,829 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 04:52:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:52:44,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:44,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:44,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:44,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:44,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:52:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:45,322 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:45,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-03 04:52:45,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:52:46,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:52:48,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:52:49,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:49,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 04:52:49,549 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 04:52:49,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:52:49,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:49,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:49,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:49,552 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:49,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:52:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:50,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:50,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 246 conjunts are in the unsatisfiable core [2023-12-03 04:52:50,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:55:16,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2023-12-03 04:55:16,591 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-03 04:55:16,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68a19f30-5d6c-4ffb-bcd6-2d1b7336fe5b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:55:16,599 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) 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 04:55:16,602 INFO L158 Benchmark]: Toolchain (without parser) took 153837.01ms. Allocated memory was 71.3MB in the beginning and 616.6MB in the end (delta: 545.3MB). Free memory was 46.6MB in the beginning and 462.0MB in the end (delta: -415.4MB). Peak memory consumption was 385.7MB. Max. memory is 16.1GB. [2023-12-03 04:55:16,602 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:55:16,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.79ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 46.4MB in the beginning and 59.8MB in the end (delta: -13.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-12-03 04:55:16,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.67ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 54.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:55:16,604 INFO L158 Benchmark]: Boogie Preprocessor took 66.97ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 51.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:55:16,605 INFO L158 Benchmark]: RCFGBuilder took 820.07ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 46.5MB in the end (delta: 5.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-12-03 04:55:16,605 INFO L158 Benchmark]: CodeCheck took 152411.68ms. Allocated memory was 92.3MB in the beginning and 616.6MB in the end (delta: 524.3MB). Free memory was 46.5MB in the beginning and 462.0MB in the end (delta: -415.5MB). Peak memory consumption was 362.2MB. Max. memory is 16.1GB. [2023-12-03 04:55:16,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.79ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 46.4MB in the beginning and 59.8MB in the end (delta: -13.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.67ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 54.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.97ms. Allocated memory is still 92.3MB. Free memory was 54.9MB in the beginning and 51.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 820.07ms. Allocated memory is still 92.3MB. Free memory was 51.5MB in the beginning and 46.5MB in the end (delta: 5.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * CodeCheck took 152411.68ms. Allocated memory was 92.3MB in the beginning and 616.6MB in the end (delta: 524.3MB). Free memory was 46.5MB in the beginning and 462.0MB in the end (delta: -415.5MB). Peak memory consumption was 362.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants