./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.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_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/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_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/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_74fa454c-00a1-41e5-9f36-99369e5c67b2/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 d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:32:32,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:32:33,045 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-12-03 01:32:33,050 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:32:33,050 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:32:33,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:32:33,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:32:33,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:32:33,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:32:33,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:32:33,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:32:33,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:32:33,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:32:33,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:32:33,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:32:33,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:32:33,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:32:33,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:32:33,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:32:33,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:32:33,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:32:33,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:32:33,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:32:33,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:32:33,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:32:33,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:32:33,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:32:33,087 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:32:33,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:32:33,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:32:33,088 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_74fa454c-00a1-41e5-9f36-99369e5c67b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e [2023-12-03 01:32:33,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:32:33,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:32:33,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:32:33,333 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:32:33,334 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:32:33,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2023-12-03 01:32:36,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:32:36,377 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:32:36,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2023-12-03 01:32:36,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data/e31a18abc/e639d28f5c114b029bf0272c132b048d/FLAG8f233d777 [2023-12-03 01:32:36,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data/e31a18abc/e639d28f5c114b029bf0272c132b048d [2023-12-03 01:32:36,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:32:36,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:32:36,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:32:36,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:32:36,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:32:36,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:32:36" (1/1) ... [2023-12-03 01:32:36,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9f815f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:36, skipping insertion in model container [2023-12-03 01:32:36,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:32:36" (1/1) ... [2023-12-03 01:32:36,522 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:32:36,711 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_74fa454c-00a1-41e5-9f36-99369e5c67b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2023-12-03 01:32:37,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:32:37,141 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:32:37,149 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_74fa454c-00a1-41e5-9f36-99369e5c67b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2023-12-03 01:32:37,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:32:37,421 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:32:37,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37 WrapperNode [2023-12-03 01:32:37,422 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:32:37,423 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:32:37,423 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:32:37,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:32:37,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:37,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:38,540 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13052 [2023-12-03 01:32:38,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:32:38,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:32:38,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:32:38,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:32:38,550 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:38,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:38,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:38,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:39,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:39,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:39,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:39,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:39,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:32:39,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:32:39,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:32:39,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:32:39,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:32:37" (1/1) ... [2023-12-03 01:32:39,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:32:39,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:32:39,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:32:39,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:32:39,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:32:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:32:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:32:39,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:32:40,402 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:32:40,404 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:32:48,452 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:33:07,829 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:33:07,829 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:33:07,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:07 BoogieIcfgContainer [2023-12-03 01:33:07,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:33:07,832 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:33:07,832 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:33:07,840 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:33:07,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:33:07" (1/1) ... [2023-12-03 01:33:07,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:33:07,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:33:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:33:07,895 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:33:07,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:33:07,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:33:07,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:33:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:33:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:33:26,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 01:33:36,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-03 01:33:46,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:33:52,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.57s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:34:02,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:34:12,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:34:22,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:34:22,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:22,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2023-12-03 01:34:22,902 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2023-12-03 01:34:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:34:22,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:22,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:34:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-03 01:34:35,010 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:34:35,015 INFO L158 Benchmark]: Toolchain (without parser) took 118597.58ms. Allocated memory was 138.4MB in the beginning and 6.4GB in the end (delta: 6.3GB). Free memory was 96.1MB in the beginning and 5.3GB in the end (delta: -5.2GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-12-03 01:34:35,015 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:34:35,016 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1004.46ms. Allocated memory is still 138.4MB. Free memory was 96.1MB in the beginning and 62.2MB in the end (delta: 33.8MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. [2023-12-03 01:34:35,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 1117.46ms. Allocated memory was 138.4MB in the beginning and 316.7MB in the end (delta: 178.3MB). Free memory was 62.2MB in the beginning and 113.8MB in the end (delta: -51.6MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. [2023-12-03 01:34:35,018 INFO L158 Benchmark]: Boogie Preprocessor took 1190.12ms. Allocated memory was 316.7MB in the beginning and 677.4MB in the end (delta: 360.7MB). Free memory was 113.8MB in the beginning and 406.1MB in the end (delta: -292.3MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2023-12-03 01:34:35,019 INFO L158 Benchmark]: RCFGBuilder took 28099.14ms. Allocated memory was 677.4MB in the beginning and 6.4GB in the end (delta: 5.7GB). Free memory was 406.1MB in the beginning and 5.5GB in the end (delta: -5.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2023-12-03 01:34:35,019 INFO L158 Benchmark]: CodeCheck took 87181.37ms. Allocated memory is still 6.4GB. Free memory was 5.5GB in the beginning and 5.3GB in the end (delta: 151.2MB). Peak memory consumption was 151.2MB. Max. memory is 16.1GB. [2023-12-03 01:34:35,023 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 100.7MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1004.46ms. Allocated memory is still 138.4MB. Free memory was 96.1MB in the beginning and 62.2MB in the end (delta: 33.8MB). Peak memory consumption was 103.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1117.46ms. Allocated memory was 138.4MB in the beginning and 316.7MB in the end (delta: 178.3MB). Free memory was 62.2MB in the beginning and 113.8MB in the end (delta: -51.6MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1190.12ms. Allocated memory was 316.7MB in the beginning and 677.4MB in the end (delta: 360.7MB). Free memory was 113.8MB in the beginning and 406.1MB in the end (delta: -292.3MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * RCFGBuilder took 28099.14ms. Allocated memory was 677.4MB in the beginning and 6.4GB in the end (delta: 5.7GB). Free memory was 406.1MB in the beginning and 5.5GB in the end (delta: -5.0GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * CodeCheck took 87181.37ms. Allocated memory is still 6.4GB. Free memory was 5.5GB in the beginning and 5.3GB in the end (delta: 151.2MB). Peak memory consumption was 151.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 01:34:35,237 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-03 01:34:35,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/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_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/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_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/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_74fa454c-00a1-41e5-9f36-99369e5c67b2/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 d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:34:37,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:34:37,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-12-03 01:34:37,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:34:37,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:34:37,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:34:37,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:34:37,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:34:37,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:34:37,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:34:37,378 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:34:37,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:34:37,379 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:34:37,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:34:37,380 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:34:37,381 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:34:37,381 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:34:37,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:34:37,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:34:37,383 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:34:37,384 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:34:37,384 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:34:37,385 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:37,385 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:34:37,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:34:37,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:37,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:34:37,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:34:37,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:34:37,388 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:34:37,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:37,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:34:37,389 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:34:37,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:34:37,390 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_74fa454c-00a1-41e5-9f36-99369e5c67b2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d12ef18190064f2cb35b171017ef9d328b10b7b9fa7cf8a044880740e034cf5e [2023-12-03 01:34:37,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:34:37,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:34:37,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:34:37,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:34:37,687 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:34:37,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2023-12-03 01:34:40,574 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:34:40,923 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:34:40,923 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c [2023-12-03 01:34:40,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data/817472477/55caf209216a4346be9da9c021401b44/FLAGcc97099c4 [2023-12-03 01:34:40,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/data/817472477/55caf209216a4346be9da9c021401b44 [2023-12-03 01:34:40,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:34:40,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:34:40,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:40,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:34:40,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:34:40,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:40" (1/1) ... [2023-12-03 01:34:40,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462fa7b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:40, skipping insertion in model container [2023-12-03 01:34:40,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:34:40" (1/1) ... [2023-12-03 01:34:41,046 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:34:41,263 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_74fa454c-00a1-41e5-9f36-99369e5c67b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2023-12-03 01:34:41,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:41,677 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:34:41,690 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_74fa454c-00a1-41e5-9f36-99369e5c67b2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.brp2.6.prop2-back-serstep.c[1172,1185] [2023-12-03 01:34:41,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:34:41,901 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:34:41,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41 WrapperNode [2023-12-03 01:34:41,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:34:41,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:41,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:34:41,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:34:41,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:41,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,060 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3319 [2023-12-03 01:34:42,061 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:34:42,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:34:42,062 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:34:42,062 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:34:42,069 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:34:42,280 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:34:42,280 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:34:42,280 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:34:42,281 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:34:41" (1/1) ... [2023-12-03 01:34:42,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:34:42,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:34:42,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:34:42,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:34:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:34:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:34:42,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:34:42,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:34:42,858 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:34:42,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:34:49,486 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:34:49,645 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:34:49,645 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:34:49,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:34:49 BoogieIcfgContainer [2023-12-03 01:34:49,647 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:34:49,648 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:34:49,648 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:34:49,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:34:49,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:34:49" (1/1) ... [2023-12-03 01:34:49,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:34:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-12-03 01:34:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-12-03 01:34:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-03 01:34:49,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:49,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:49,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:49,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:49,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:34:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:50,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:51,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-03 01:34:51,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:34:51,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:34:53,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:34:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:34:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-12-03 01:34:53,553 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-12-03 01:34:53,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 01:34:53,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:34:53,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:34:53,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:34:53,555 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:34:53,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:34:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:56,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:34:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:34:57,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 2856 conjuncts, 93 conjunts are in the unsatisfiable core [2023-12-03 01:34:57,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:34:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:34:57,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:34:59,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:35:01,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:35:06,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 01:35:09,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:35:11,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:35:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:35:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2023-12-03 01:35:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2023-12-03 01:35:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:35:12,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:35:12,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:35:12,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:35:12,652 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:35:12,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:35:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:16,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:35:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:35:17,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 5322 conjuncts, 281 conjunts are in the unsatisfiable core [2023-12-03 01:35:17,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:35:29,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-12-03 01:35:29,873 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-12-03 01:35:29,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74fa454c-00a1-41e5-9f36-99369e5c67b2/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:35:29,905 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:470) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:35:29,909 INFO L158 Benchmark]: Toolchain (without parser) took 48951.87ms. Allocated memory was 125.8MB in the beginning and 541.1MB in the end (delta: 415.2MB). Free memory was 97.0MB in the beginning and 314.6MB in the end (delta: -217.5MB). Peak memory consumption was 402.0MB. Max. memory is 16.1GB. [2023-12-03 01:35:29,910 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:35:29,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.31ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 81.6MB in the end (delta: 15.4MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2023-12-03 01:35:29,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.07ms. Allocated memory is still 125.8MB. Free memory was 81.6MB in the beginning and 58.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 01:35:29,911 INFO L158 Benchmark]: Boogie Preprocessor took 217.55ms. Allocated memory is still 125.8MB. Free memory was 58.6MB in the beginning and 70.8MB in the end (delta: -12.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-12-03 01:35:29,912 INFO L158 Benchmark]: RCFGBuilder took 7366.81ms. Allocated memory was 125.8MB in the beginning and 308.3MB in the end (delta: 182.5MB). Free memory was 70.8MB in the beginning and 222.1MB in the end (delta: -151.3MB). Peak memory consumption was 148.9MB. Max. memory is 16.1GB. [2023-12-03 01:35:29,913 INFO L158 Benchmark]: CodeCheck took 40260.44ms. Allocated memory was 308.3MB in the beginning and 541.1MB in the end (delta: 232.8MB). Free memory was 222.1MB in the beginning and 314.6MB in the end (delta: -92.4MB). Peak memory consumption was 342.7MB. Max. memory is 16.1GB. [2023-12-03 01:35:29,916 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 0.31ms. Allocated memory is still 62.9MB. Free memory was 39.3MB in the beginning and 39.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.31ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 81.6MB in the end (delta: 15.4MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.07ms. Allocated memory is still 125.8MB. Free memory was 81.6MB in the beginning and 58.6MB in the end (delta: 23.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 217.55ms. Allocated memory is still 125.8MB. Free memory was 58.6MB in the beginning and 70.8MB in the end (delta: -12.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * RCFGBuilder took 7366.81ms. Allocated memory was 125.8MB in the beginning and 308.3MB in the end (delta: 182.5MB). Free memory was 70.8MB in the beginning and 222.1MB in the end (delta: -151.3MB). Peak memory consumption was 148.9MB. Max. memory is 16.1GB. * CodeCheck took 40260.44ms. Allocated memory was 308.3MB in the beginning and 541.1MB in the end (delta: 232.8MB). Free memory was 222.1MB in the beginning and 314.6MB in the end (delta: -92.4MB). Peak memory consumption was 342.7MB. 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