./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.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_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/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_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/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_192cd315-449c-40f8-8904-23470b54396f/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 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:40:48,771 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:40:48,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-02 23:40:48,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:40:48,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:40:48,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:40:48,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:40:48,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:40:48,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:40:48,864 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:40:48,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:40:48,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:40:48,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:40:48,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:40:48,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:40:48,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:40:48,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:40:48,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:40:48,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:40:48,870 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:40:48,870 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:40:48,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:40:48,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:40:48,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:40:48,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:40:48,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:40:48,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:40:48,874 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:40:48,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:40:48,874 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:40:48,875 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_192cd315-449c-40f8-8904-23470b54396f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa [2023-12-02 23:40:49,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:40:49,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:40:49,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:40:49,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:40:49,101 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:40:49,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2023-12-02 23:40:51,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:40:52,145 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:40:52,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2023-12-02 23:40:52,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data/657c41293/538a3a3bd467468fae71738cc6dd4bb6/FLAGe2e651f20 [2023-12-02 23:40:52,166 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data/657c41293/538a3a3bd467468fae71738cc6dd4bb6 [2023-12-02 23:40:52,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:40:52,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:40:52,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:40:52,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:40:52,174 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:40:52,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6180fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52, skipping insertion in model container [2023-12-02 23:40:52,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,233 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:40:52,368 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_192cd315-449c-40f8-8904-23470b54396f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2023-12-02 23:40:52,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:40:52,536 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:40:52,549 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_192cd315-449c-40f8-8904-23470b54396f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2023-12-02 23:40:52,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:40:52,656 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:40:52,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52 WrapperNode [2023-12-02 23:40:52,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:40:52,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:40:52,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:40:52,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:40:52,666 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,856 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1535 [2023-12-02 23:40:52,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:40:52,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:40:52,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:40:52,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:40:52,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:52,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:53,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:40:53,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:40:53,027 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:40:53,027 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:40:53,028 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:52" (1/1) ... [2023-12-02 23:40:53,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:40:53,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:40:53,057 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:40:53,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:40:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:40:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:40:53,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:40:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:40:53,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:40:53,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:40:53,274 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:40:53,276 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:40:54,547 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:40:56,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:40:56,533 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:40:56,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:56 BoogieIcfgContainer [2023-12-02 23:40:56,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:40:56,536 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:40:56,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:40:56,543 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:40:56,543 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:56" (1/1) ... [2023-12-02 23:40:56,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:40:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-02 23:40:56,594 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-02 23:40:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:40:56,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:41:02,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:03,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:03,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-12-02 23:41:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-12-02 23:41:03,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:41:03,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:03,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:41:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:41:12,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:41:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:41:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 23:41:30,882 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 23:41:30,886 INFO L158 Benchmark]: Toolchain (without parser) took 38716.01ms. Allocated memory was 178.3MB in the beginning and 836.8MB in the end (delta: 658.5MB). Free memory was 132.9MB in the beginning and 548.4MB in the end (delta: -415.5MB). Peak memory consumption was 246.1MB. Max. memory is 16.1GB. [2023-12-02 23:41:30,886 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:41:30,887 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.45ms. Allocated memory is still 178.3MB. Free memory was 132.9MB in the beginning and 103.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:41:30,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.63ms. Allocated memory is still 178.3MB. Free memory was 103.5MB in the beginning and 124.0MB in the end (delta: -20.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-12-02 23:41:30,888 INFO L158 Benchmark]: Boogie Preprocessor took 168.79ms. Allocated memory is still 178.3MB. Free memory was 124.0MB in the beginning and 113.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:41:30,889 INFO L158 Benchmark]: RCFGBuilder took 3507.99ms. Allocated memory was 178.3MB in the beginning and 283.1MB in the end (delta: 104.9MB). Free memory was 113.3MB in the beginning and 115.2MB in the end (delta: -1.9MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. [2023-12-02 23:41:30,890 INFO L158 Benchmark]: CodeCheck took 34348.89ms. Allocated memory was 283.1MB in the beginning and 836.8MB in the end (delta: 553.6MB). Free memory was 115.2MB in the beginning and 548.4MB in the end (delta: -433.1MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. [2023-12-02 23:41:30,893 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 0.16ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 65.0MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.45ms. Allocated memory is still 178.3MB. Free memory was 132.9MB in the beginning and 103.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.63ms. Allocated memory is still 178.3MB. Free memory was 103.5MB in the beginning and 124.0MB in the end (delta: -20.5MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 168.79ms. Allocated memory is still 178.3MB. Free memory was 124.0MB in the beginning and 113.3MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3507.99ms. Allocated memory was 178.3MB in the beginning and 283.1MB in the end (delta: 104.9MB). Free memory was 113.3MB in the beginning and 115.2MB in the end (delta: -1.9MB). Peak memory consumption was 126.8MB. Max. memory is 16.1GB. * CodeCheck took 34348.89ms. Allocated memory was 283.1MB in the beginning and 836.8MB in the end (delta: 553.6MB). Free memory was 115.2MB in the beginning and 548.4MB in the end (delta: -433.1MB). Peak memory consumption was 120.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:41:30,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/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_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/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_192cd315-449c-40f8-8904-23470b54396f/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 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:41:32,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:41:32,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-02 23:41:32,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:41:32,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:41:32,960 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:41:32,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:41:32,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:41:32,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:41:32,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:41:32,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:41:32,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:41:32,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:41:32,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:41:32,965 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:41:32,966 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:41:32,966 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:41:32,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:41:32,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:41:32,968 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:41:32,969 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:41:32,969 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:41:32,970 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:32,970 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:41:32,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:41:32,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:41:32,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:41:32,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:41:32,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:41:32,973 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:41:32,973 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:32,974 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:41:32,974 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:41:32,974 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:41:32,974 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_192cd315-449c-40f8-8904-23470b54396f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfb987fcec0e4e87ab47a565086b76b03edc9a60525cd8ee77a0c461c0fdaaa [2023-12-02 23:41:33,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:41:33,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:41:33,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:41:33,295 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:41:33,296 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:41:33,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2023-12-02 23:41:36,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:41:36,358 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:41:36,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c [2023-12-02 23:41:36,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data/24364be07/76762c3344384bf3bd59e6288a349f04/FLAG4fc437c68 [2023-12-02 23:41:36,387 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/data/24364be07/76762c3344384bf3bd59e6288a349f04 [2023-12-02 23:41:36,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:41:36,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:41:36,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:41:36,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:41:36,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:41:36,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1004691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36, skipping insertion in model container [2023-12-02 23:41:36,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:41:36,616 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_192cd315-449c-40f8-8904-23470b54396f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2023-12-02 23:41:36,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:41:36,753 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:41:36,765 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_192cd315-449c-40f8-8904-23470b54396f/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.circular_pointer_top_w32_d8_e0.c[1279,1292] [2023-12-02 23:41:36,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:41:36,876 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:41:36,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36 WrapperNode [2023-12-02 23:41:36,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:41:36,878 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:41:36,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:41:36,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:41:36,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,949 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 641 [2023-12-02 23:41:36,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:41:36,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:41:36,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:41:36,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:41:36,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:36,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:37,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:37,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:37,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:41:37,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:41:37,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:41:37,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:41:37,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:41:36" (1/1) ... [2023-12-02 23:41:37,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:41:37,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:41:37,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:41:37,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:41:37,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:41:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:41:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:41:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:41:37,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:41:37,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:41:37,266 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:41:37,268 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:41:37,784 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:41:37,855 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:41:37,855 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:41:37,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:37 BoogieIcfgContainer [2023-12-02 23:41:37,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:41:37,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:41:37,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:41:37,867 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:41:37,867 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:41:37" (1/1) ... [2023-12-02 23:41:37,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:41:37,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-02 23:41:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-02 23:41:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 23:41:37,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:37,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:37,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:37,930 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:37,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:41:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:38,289 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:41:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:38,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:41:38,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:38,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:41:38,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:41:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:39,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2023-12-02 23:41:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-12-02 23:41:39,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:41:39,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:39,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:39,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:39,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:39,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:41:39,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:39,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:41:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:39,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 23:41:39,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-12-02 23:41:40,641 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:41:40,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:41:41,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 53 transitions. [2023-12-02 23:41:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-12-02 23:41:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:41:41,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:41,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:41,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:41,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:41,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:41:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:42,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:41:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:43,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 168 conjunts are in the unsatisfiable core [2023-12-02 23:41:43,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:46,939 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-12-02 23:41:46,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:41:55,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:57,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:58,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 59 states and 102 transitions. [2023-12-02 23:41:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2023-12-02 23:41:58,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 23:41:58,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:58,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:58,032 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:58,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:41:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:59,649 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:01,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 398 conjunts are in the unsatisfiable core [2023-12-02 23:42:01,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:28,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-02 23:43:28,278 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/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 23:43:28,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_192cd315-449c-40f8-8904-23470b54396f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:43:28,289 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 23:43:28,292 INFO L158 Benchmark]: Toolchain (without parser) took 111900.50ms. Allocated memory was 94.4MB in the beginning and 400.6MB in the end (delta: 306.2MB). Free memory was 69.7MB in the beginning and 273.9MB in the end (delta: -204.1MB). Peak memory consumption was 258.6MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,293 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:43:28,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.65ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 65.4MB in the end (delta: 4.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.23ms. Allocated memory is still 94.4MB. Free memory was 65.4MB in the beginning and 60.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,294 INFO L158 Benchmark]: Boogie Preprocessor took 63.36ms. Allocated memory is still 94.4MB. Free memory was 60.3MB in the beginning and 56.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,295 INFO L158 Benchmark]: RCFGBuilder took 842.12ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 47.0MB in the end (delta: 9.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,295 INFO L158 Benchmark]: CodeCheck took 110434.39ms. Allocated memory was 94.4MB in the beginning and 400.6MB in the end (delta: 306.2MB). Free memory was 47.0MB in the beginning and 273.9MB in the end (delta: -226.9MB). Peak memory consumption was 233.7MB. Max. memory is 16.1GB. [2023-12-02 23:43:28,298 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 0.27ms. Allocated memory is still 65.0MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.65ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 65.4MB in the end (delta: 4.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.23ms. Allocated memory is still 94.4MB. Free memory was 65.4MB in the beginning and 60.3MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.36ms. Allocated memory is still 94.4MB. Free memory was 60.3MB in the beginning and 56.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 842.12ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 47.0MB in the end (delta: 9.5MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * CodeCheck took 110434.39ms. Allocated memory was 94.4MB in the beginning and 400.6MB in the end (delta: 306.2MB). Free memory was 47.0MB in the beginning and 273.9MB in the end (delta: -226.9MB). Peak memory consumption was 233.7MB. 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