./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-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_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/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_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/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_fcf67505-16ca-4477-b608-430f8d83a593/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 3e97a263844c27cfbc90b2c6c29bfa9cf44094c2b077d629188394726afbad7a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:03:46,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:03:46,389 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 21:03:46,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:03:46,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:03:46,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:03:46,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:03:46,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:03:46,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:03:46,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:03:46,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:03:46,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:03:46,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:03:46,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:03:46,421 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:03:46,422 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:03:46,422 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:03:46,423 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:03:46,423 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:03:46,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:03:46,424 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:03:46,425 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:03:46,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:03:46,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:03:46,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:03:46,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:03:46,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:03:46,428 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:03:46,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:03:46,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:03:46,429 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_fcf67505-16ca-4477-b608-430f8d83a593/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e97a263844c27cfbc90b2c6c29bfa9cf44094c2b077d629188394726afbad7a [2023-12-02 21:03:46,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:03:46,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:03:46,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:03:46,683 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:03:46,684 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:03:46,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c [2023-12-02 21:03:49,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:03:49,826 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:03:49,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c [2023-12-02 21:03:49,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data/5d2d73cd4/28ca45f9fc46427cad2347873f7856f9/FLAG4358947fd [2023-12-02 21:03:49,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data/5d2d73cd4/28ca45f9fc46427cad2347873f7856f9 [2023-12-02 21:03:49,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:03:49,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:03:49,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:03:49,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:03:50,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:03:50,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:03:49" (1/1) ... [2023-12-02 21:03:50,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d90387f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:50, skipping insertion in model container [2023-12-02 21:03:50,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:03:49" (1/1) ... [2023-12-02 21:03:50,128 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:03:50,380 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_fcf67505-16ca-4477-b608-430f8d83a593/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c[1175,1188] [2023-12-02 21:03:51,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:03:51,048 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:03:51,060 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_fcf67505-16ca-4477-b608-430f8d83a593/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c[1175,1188] [2023-12-02 21:03:51,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:03:51,550 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:03:51,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51 WrapperNode [2023-12-02 21:03:51,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:03:51,552 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:03:51,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:03:51,552 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:03:51,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:51,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:53,408 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 24796 [2023-12-02 21:03:53,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:03:53,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:03:53,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:03:53,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:03:53,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:53,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:53,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:53,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:54,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:54,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:54,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:54,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:54,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:03:54,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:03:54,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:03:54,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:03:54,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:03:51" (1/1) ... [2023-12-02 21:03:54,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:03:54,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:03:54,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:03:54,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:03:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:03:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:03:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:03:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:03:55,991 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:03:55,993 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:04:09,460 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:04:53,655 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:04:53,655 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:04:53,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:04:53 BoogieIcfgContainer [2023-12-02 21:04:53,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:04:53,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:04:53,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:04:53,664 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:04:53,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:04:53" (1/1) ... [2023-12-02 21:04:53,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:04:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:04:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:04:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:04:53,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:53,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:05:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:09,311 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 21:05:20,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:05:30,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:05:41,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:05:51,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:05:59,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:06:02,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:06:12,821 WARN L539 Checker$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 21:06:22,892 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 [] [2023-12-02 21:06:22,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-02 21:06:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-02 21:06:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:06:22,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:22,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:06:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 21:06:36,627 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 21:06:36,630 INFO L158 Benchmark]: Toolchain (without parser) took 166633.24ms. Allocated memory was 161.5MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 124.4MB in the beginning and 6.2GB in the end (delta: -6.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2023-12-02 21:06:36,630 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:06:36,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1553.26ms. Allocated memory was 161.5MB in the beginning and 247.5MB in the end (delta: 86.0MB). Free memory was 124.4MB in the beginning and 105.4MB in the end (delta: 19.0MB). Peak memory consumption was 126.7MB. Max. memory is 16.1GB. [2023-12-02 21:06:36,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 1856.88ms. Allocated memory was 247.5MB in the beginning and 838.9MB in the end (delta: 591.4MB). Free memory was 105.4MB in the beginning and 463.8MB in the end (delta: -358.3MB). Peak memory consumption was 369.2MB. Max. memory is 16.1GB. [2023-12-02 21:06:36,632 INFO L158 Benchmark]: Boogie Preprocessor took 1436.92ms. Allocated memory is still 838.9MB. Free memory was 463.8MB in the beginning and 317.0MB in the end (delta: 146.8MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. [2023-12-02 21:06:36,633 INFO L158 Benchmark]: RCFGBuilder took 58809.63ms. Allocated memory was 838.9MB in the beginning and 7.4GB in the end (delta: 6.5GB). Free memory was 317.0MB in the beginning and 5.8GB in the end (delta: -5.5GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. [2023-12-02 21:06:36,634 INFO L158 Benchmark]: CodeCheck took 102971.94ms. Allocated memory was 7.4GB in the beginning and 7.8GB in the end (delta: 471.9MB). Free memory was 5.8GB in the beginning and 6.2GB in the end (delta: -404.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-12-02 21:06:36,637 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 0.19ms. Allocated memory is still 113.2MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1553.26ms. Allocated memory was 161.5MB in the beginning and 247.5MB in the end (delta: 86.0MB). Free memory was 124.4MB in the beginning and 105.4MB in the end (delta: 19.0MB). Peak memory consumption was 126.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1856.88ms. Allocated memory was 247.5MB in the beginning and 838.9MB in the end (delta: 591.4MB). Free memory was 105.4MB in the beginning and 463.8MB in the end (delta: -358.3MB). Peak memory consumption was 369.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1436.92ms. Allocated memory is still 838.9MB. Free memory was 463.8MB in the beginning and 317.0MB in the end (delta: 146.8MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. * RCFGBuilder took 58809.63ms. Allocated memory was 838.9MB in the beginning and 7.4GB in the end (delta: 6.5GB). Free memory was 317.0MB in the beginning and 5.8GB in the end (delta: -5.5GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB. * CodeCheck took 102971.94ms. Allocated memory was 7.4GB in the beginning and 7.8GB in the end (delta: 471.9MB). Free memory was 5.8GB in the beginning and 6.2GB in the end (delta: -404.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:06:36,847 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:06:36,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/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_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/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_fcf67505-16ca-4477-b608-430f8d83a593/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 3e97a263844c27cfbc90b2c6c29bfa9cf44094c2b077d629188394726afbad7a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:06:39,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:06:39,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 21:06:39,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:06:39,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:06:39,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:06:39,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:06:39,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:06:39,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:06:39,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:06:39,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:06:39,130 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:06:39,130 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:06:39,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:06:39,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:06:39,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:06:39,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:06:39,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:06:39,133 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:06:39,134 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:06:39,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:06:39,135 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:06:39,136 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:39,136 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:06:39,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:06:39,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:06:39,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:06:39,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:06:39,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:06:39,139 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:06:39,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:39,140 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:06:39,140 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:06:39,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:06:39,141 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_fcf67505-16ca-4477-b608-430f8d83a593/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e97a263844c27cfbc90b2c6c29bfa9cf44094c2b077d629188394726afbad7a [2023-12-02 21:06:39,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:06:39,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:06:39,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:06:39,458 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:06:39,458 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:06:39,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c [2023-12-02 21:06:42,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:06:42,628 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:06:42,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c [2023-12-02 21:06:42,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data/7245c6c62/4776e4d61fda475389fac257f0c08bc7/FLAGe68858219 [2023-12-02 21:06:42,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/data/7245c6c62/4776e4d61fda475389fac257f0c08bc7 [2023-12-02 21:06:42,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:06:42,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:06:42,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:06:42,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:06:42,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:06:42,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:06:42" (1/1) ... [2023-12-02 21:06:42,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3daff717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:42, skipping insertion in model container [2023-12-02 21:06:42,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:06:42" (1/1) ... [2023-12-02 21:06:42,794 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:06:43,029 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_fcf67505-16ca-4477-b608-430f8d83a593/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c[1175,1188] [2023-12-02 21:06:43,576 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:06:43,588 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:06:43,597 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_fcf67505-16ca-4477-b608-430f8d83a593/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.needham.3.prop2-back-serstep.c[1175,1188] [2023-12-02 21:06:43,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:06:43,865 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:06:43,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43 WrapperNode [2023-12-02 21:06:43,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:06:43,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:06:43,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:06:43,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:06:43,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:43,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,124 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5960 [2023-12-02 21:06:44,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:06:44,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:06:44,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:06:44,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:06:44,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,163 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:06:44,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:06:44,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:06:44,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:06:44,352 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:06:43" (1/1) ... [2023-12-02 21:06:44,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:06:44,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:06:44,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:06:44,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:06:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:06:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:06:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:06:44,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:06:45,181 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:06:45,183 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:06:59,244 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:06:59,529 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:06:59,529 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:06:59,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:06:59 BoogieIcfgContainer [2023-12-02 21:06:59,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:06:59,532 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:06:59,532 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:06:59,542 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:06:59,543 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:06:59" (1/1) ... [2023-12-02 21:06:59,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:06:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-02 21:06:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-02 21:06:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:06:59,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:59,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:59,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:59,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:07:01,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:01,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:01,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:07:01,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:01,840 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 21:07:01,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:07:10,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:07:11,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:11,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-02 21:07:11,739 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-02 21:07:11,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:07:11,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:11,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:11,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:11,740 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:11,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:07:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:17,824 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:19,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 5024 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:07:19,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:21,194 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 21:07:21,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:07:28,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:07:34,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:07:37,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:07:44,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.60s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:07:55,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:08:05,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:08:05,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-12-02 21:08:05,598 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-12-02 21:08:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:08:05,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:05,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:05,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:05,601 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:05,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:08:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:16,324 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:21,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 9470 conjuncts, 462 conjunts are in the unsatisfiable core [2023-12-02 21:08:21,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:12:21,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 21:12:21,201 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/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 21:12:21,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fcf67505-16ca-4477-b608-430f8d83a593/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:12:21,297 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 21:12:21,301 INFO L158 Benchmark]: Toolchain (without parser) took 338627.28ms. Allocated memory was 130.0MB in the beginning and 1.0GB in the end (delta: 893.4MB). Free memory was 97.6MB in the beginning and 739.8MB in the end (delta: -642.3MB). Peak memory consumption was 737.2MB. Max. memory is 16.1GB. [2023-12-02 21:12:21,301 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:12:21,302 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1190.53ms. Allocated memory is still 130.0MB. Free memory was 97.1MB in the beginning and 45.3MB in the end (delta: 51.9MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2023-12-02 21:12:21,303 INFO L158 Benchmark]: Boogie Procedure Inliner took 258.49ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 45.3MB in the beginning and 75.1MB in the end (delta: -29.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-12-02 21:12:21,303 INFO L158 Benchmark]: Boogie Preprocessor took 224.86ms. Allocated memory is still 176.2MB. Free memory was 75.1MB in the beginning and 81.2MB in the end (delta: -6.1MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-12-02 21:12:21,304 INFO L158 Benchmark]: RCFGBuilder took 15180.71ms. Allocated memory was 176.2MB in the beginning and 541.1MB in the end (delta: 364.9MB). Free memory was 81.2MB in the beginning and 183.1MB in the end (delta: -101.9MB). Peak memory consumption was 323.1MB. Max. memory is 16.1GB. [2023-12-02 21:12:21,305 INFO L158 Benchmark]: CodeCheck took 321767.88ms. Allocated memory was 541.1MB in the beginning and 1.0GB in the end (delta: 482.3MB). Free memory was 182.0MB in the beginning and 739.8MB in the end (delta: -557.8MB). Peak memory consumption was 411.6MB. Max. memory is 16.1GB. [2023-12-02 21:12:21,308 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 65.0MB. Free memory was 41.0MB in the beginning and 41.0MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1190.53ms. Allocated memory is still 130.0MB. Free memory was 97.1MB in the beginning and 45.3MB in the end (delta: 51.9MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 258.49ms. Allocated memory was 130.0MB in the beginning and 176.2MB in the end (delta: 46.1MB). Free memory was 45.3MB in the beginning and 75.1MB in the end (delta: -29.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.86ms. Allocated memory is still 176.2MB. Free memory was 75.1MB in the beginning and 81.2MB in the end (delta: -6.1MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * RCFGBuilder took 15180.71ms. Allocated memory was 176.2MB in the beginning and 541.1MB in the end (delta: 364.9MB). Free memory was 81.2MB in the beginning and 183.1MB in the end (delta: -101.9MB). Peak memory consumption was 323.1MB. Max. memory is 16.1GB. * CodeCheck took 321767.88ms. Allocated memory was 541.1MB in the beginning and 1.0GB in the end (delta: 482.3MB). Free memory was 182.0MB in the beginning and 739.8MB in the end (delta: -557.8MB). Peak memory consumption was 411.6MB. 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