./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/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_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/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_320f4234-1717-43d0-aa80-17de67f8b74d/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 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:17:17,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:17:17,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:17:17,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:17:17,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:17:17,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:17:17,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:17:17,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:17:17,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:17:17,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:17:17,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:17:17,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:17:17,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:17:17,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:17:17,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:17:17,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:17:17,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:17:17,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:17:17,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:17:17,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:17:17,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:17:17,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:17:17,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:17:17,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:17,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:17:17,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:17:17,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:17:17,405 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:17:17,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:17:17,406 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:17:17,406 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_320f4234-1717-43d0-aa80-17de67f8b74d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 [2023-12-02 23:17:17,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:17:17,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:17:17,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:17:17,651 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:17:17,651 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:17:17,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2023-12-02 23:17:20,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:17:20,762 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:17:20,763 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2023-12-02 23:17:20,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data/05f54811d/27bbea2fe3b242c3b68e71927182bcbc/FLAGde7f0f2e0 [2023-12-02 23:17:20,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data/05f54811d/27bbea2fe3b242c3b68e71927182bcbc [2023-12-02 23:17:20,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:17:20,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:17:20,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:20,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:17:20,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:17:20,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:20" (1/1) ... [2023-12-02 23:17:20,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b66ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:20, skipping insertion in model container [2023-12-02 23:17:20,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:20" (1/1) ... [2023-12-02 23:17:20,920 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:17:21,123 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_320f4234-1717-43d0-aa80-17de67f8b74d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2023-12-02 23:17:21,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:21,582 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:17:21,593 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_320f4234-1717-43d0-aa80-17de67f8b74d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2023-12-02 23:17:21,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:17:21,890 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:17:21,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21 WrapperNode [2023-12-02 23:17:21,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:17:21,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:21,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:17:21,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:17:21,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:21,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,089 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13051 [2023-12-02 23:17:23,089 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:17:23,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:17:23,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:17:23,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:17:23,099 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:17:23,951 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:17:23,951 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:17:23,951 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:17:23,952 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:21" (1/1) ... [2023-12-02 23:17:23,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:17:23,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:17:23,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:17:23,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:17:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:17:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:17:24,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:17:24,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:17:24,628 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:17:24,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:17:32,402 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:17:49,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:17:49,913 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:17:49,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:49 BoogieIcfgContainer [2023-12-02 23:17:49,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:17:49,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:17:49,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:17:49,923 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:17:49,923 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:49" (1/1) ... [2023-12-02 23:17:49,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:17:49,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:17:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:17:49,967 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:17:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:17:49,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:17:49,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:17:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:18:02,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:18:12,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:18:22,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:18:24,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:27,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:37,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:47,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:18:47,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:18:47,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 23:18:47,632 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 23:18:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:18:47,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:18:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:18:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:19:00,105 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) [2023-12-02 23:19:00,109 INFO L158 Benchmark]: Toolchain (without parser) took 99306.01ms. Allocated memory was 142.6MB in the beginning and 6.8GB in the end (delta: 6.6GB). Free memory was 106.3MB in the beginning and 6.0GB in the end (delta: -5.9GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-02 23:19:00,109 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 107.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:19:00,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1087.08ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 106.3MB in the beginning and 114.4MB in the end (delta: -8.1MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2023-12-02 23:19:00,111 INFO L158 Benchmark]: Boogie Procedure Inliner took 1197.86ms. Allocated memory was 190.8MB in the beginning and 325.1MB in the end (delta: 134.2MB). Free memory was 114.4MB in the beginning and 118.3MB in the end (delta: -4.0MB). Peak memory consumption was 193.5MB. Max. memory is 16.1GB. [2023-12-02 23:19:00,112 INFO L158 Benchmark]: Boogie Preprocessor took 860.81ms. Allocated memory was 325.1MB in the beginning and 650.1MB in the end (delta: 325.1MB). Free memory was 118.3MB in the beginning and 353.7MB in the end (delta: -235.3MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2023-12-02 23:19:00,113 INFO L158 Benchmark]: RCFGBuilder took 25963.49ms. Allocated memory was 650.1MB in the beginning and 5.1GB in the end (delta: 4.4GB). Free memory was 353.7MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2023-12-02 23:19:00,114 INFO L158 Benchmark]: CodeCheck took 70192.35ms. Allocated memory was 5.1GB in the beginning and 6.8GB in the end (delta: 1.7GB). Free memory was 4.4GB in the beginning and 6.0GB in the end (delta: -1.6GB). Peak memory consumption was 965.7MB. Max. memory is 16.1GB. [2023-12-02 23:19:00,119 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 0.22ms. Allocated memory is still 107.0MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1087.08ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 106.3MB in the beginning and 114.4MB in the end (delta: -8.1MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1197.86ms. Allocated memory was 190.8MB in the beginning and 325.1MB in the end (delta: 134.2MB). Free memory was 114.4MB in the beginning and 118.3MB in the end (delta: -4.0MB). Peak memory consumption was 193.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 860.81ms. Allocated memory was 325.1MB in the beginning and 650.1MB in the end (delta: 325.1MB). Free memory was 118.3MB in the beginning and 353.7MB in the end (delta: -235.3MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * RCFGBuilder took 25963.49ms. Allocated memory was 650.1MB in the beginning and 5.1GB in the end (delta: 4.4GB). Free memory was 353.7MB in the beginning and 4.4GB in the end (delta: -4.0GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * CodeCheck took 70192.35ms. Allocated memory was 5.1GB in the beginning and 6.8GB in the end (delta: 1.7GB). Free memory was 4.4GB in the beginning and 6.0GB in the end (delta: -1.6GB). Peak memory consumption was 965.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:19:00,335 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 23:19:00,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/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_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/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_320f4234-1717-43d0-aa80-17de67f8b74d/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 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:19:02,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:19:02,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:19:02,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:19:02,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:19:02,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:19:02,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:19:02,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:19:02,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:19:02,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:19:02,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:19:02,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:19:02,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:19:02,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:19:02,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:19:02,378 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:19:02,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:19:02,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:19:02,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:19:02,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:19:02,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:19:02,382 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:19:02,382 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:02,383 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:19:02,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:19:02,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:02,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:19:02,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:19:02,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:19:02,386 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:19:02,386 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:02,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:19:02,387 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:19:02,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:19:02,387 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_320f4234-1717-43d0-aa80-17de67f8b74d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43f5f502d14f05ea40d7bef54847a3cb3f738395d4f7ef27577a7a4cab5d0ae1 [2023-12-02 23:19:02,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:19:02,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:19:02,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:19:02,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:19:02,697 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:19:02,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2023-12-02 23:19:05,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:19:05,809 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:19:05,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c [2023-12-02 23:19:05,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data/604dbbf6d/c97e6a34f72b45fe8565cd8107c12b37/FLAG13fe9f2ad [2023-12-02 23:19:05,851 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/data/604dbbf6d/c97e6a34f72b45fe8565cd8107c12b37 [2023-12-02 23:19:05,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:19:05,855 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:19:05,856 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:05,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:19:05,861 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:19:05,862 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:05" (1/1) ... [2023-12-02 23:19:05,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df4b79e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:05, skipping insertion in model container [2023-12-02 23:19:05,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:19:05" (1/1) ... [2023-12-02 23:19:05,938 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:19:06,142 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_320f4234-1717-43d0-aa80-17de67f8b74d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2023-12-02 23:19:06,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:06,533 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:19:06,545 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_320f4234-1717-43d0-aa80-17de67f8b74d/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.5.prop2-back-serstep.c[1172,1185] [2023-12-02 23:19:06,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:19:06,753 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:19:06,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06 WrapperNode [2023-12-02 23:19:06,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:19:06,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:06,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:19:06,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:19:06,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:06,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:06,912 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3318 [2023-12-02 23:19:06,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:19:06,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:19:06,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:19:06,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:19:06,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:06,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:06,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:06,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:07,038 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:07,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:07,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:07,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:07,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:19:07,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:19:07,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:19:07,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:19:07,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:19:06" (1/1) ... [2023-12-02 23:19:07,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:19:07,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:19:07,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:19:07,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:19:07,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:19:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:19:07,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:19:07,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:19:07,649 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:19:07,650 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:19:13,131 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:19:13,280 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:19:13,280 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:19:13,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:13 BoogieIcfgContainer [2023-12-02 23:19:13,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:19:13,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:19:13,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:19:13,293 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:19:13,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:19:13" (1/1) ... [2023-12-02 23:19:13,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:19:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 23:19:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 23:19:13,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 23:19:13,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:13,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:13,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:13,357 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:13,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:19:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:14,359 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:14,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:19:14,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:14,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:19:16,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:18,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:18,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:18,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 23:19:18,300 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 23:19:18,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:19:18,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:18,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:18,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:18,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:18,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:19:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:20,401 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:21,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 2855 conjuncts, 93 conjunts are in the unsatisfiable core [2023-12-02 23:19:21,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:19:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:19:22,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:19:24,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:34,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:38,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:19:49,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:19:51,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:19:51,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:19:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-02 23:19:51,634 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-02 23:19:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:19:51,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:19:51,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:19:51,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:19:51,637 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:19:51,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:19:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:55,158 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:19:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:19:56,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 5321 conjuncts, 281 conjunts are in the unsatisfiable core [2023-12-02 23:19:56,756 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:20:09,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 23:20:09,172 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/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") [2023-12-02 23:20:09,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_320f4234-1717-43d0-aa80-17de67f8b74d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:20:09,207 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) [2023-12-02 23:20:09,210 INFO L158 Benchmark]: Toolchain (without parser) took 63354.97ms. Allocated memory was 115.3MB in the beginning and 801.1MB in the end (delta: 685.8MB). Free memory was 86.7MB in the beginning and 336.5MB in the end (delta: -249.8MB). Peak memory consumption was 566.2MB. Max. memory is 16.1GB. [2023-12-02 23:20:09,211 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:20:09,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.04ms. Allocated memory is still 115.3MB. Free memory was 86.5MB in the beginning and 68.5MB in the end (delta: 18.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-12-02 23:20:09,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.08ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 44.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 23:20:09,213 INFO L158 Benchmark]: Boogie Preprocessor took 176.09ms. Allocated memory is still 115.3MB. Free memory was 44.8MB in the beginning and 56.2MB in the end (delta: -11.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-12-02 23:20:09,213 INFO L158 Benchmark]: RCFGBuilder took 6192.42ms. Allocated memory was 115.3MB in the beginning and 281.0MB in the end (delta: 165.7MB). Free memory was 56.2MB in the beginning and 147.7MB in the end (delta: -91.5MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2023-12-02 23:20:09,214 INFO L158 Benchmark]: CodeCheck took 55926.45ms. Allocated memory was 281.0MB in the beginning and 801.1MB in the end (delta: 520.1MB). Free memory was 147.7MB in the beginning and 336.5MB in the end (delta: -188.8MB). Peak memory consumption was 458.6MB. Max. memory is 16.1GB. [2023-12-02 23:20:09,217 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 0.34ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 898.04ms. Allocated memory is still 115.3MB. Free memory was 86.5MB in the beginning and 68.5MB in the end (delta: 18.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.08ms. Allocated memory is still 115.3MB. Free memory was 68.5MB in the beginning and 44.8MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 176.09ms. Allocated memory is still 115.3MB. Free memory was 44.8MB in the beginning and 56.2MB in the end (delta: -11.4MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * RCFGBuilder took 6192.42ms. Allocated memory was 115.3MB in the beginning and 281.0MB in the end (delta: 165.7MB). Free memory was 56.2MB in the beginning and 147.7MB in the end (delta: -91.5MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. * CodeCheck took 55926.45ms. Allocated memory was 281.0MB in the beginning and 801.1MB in the end (delta: 520.1MB). Free memory was 147.7MB in the beginning and 336.5MB in the end (delta: -188.8MB). Peak memory consumption was 458.6MB. 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