./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:03,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:03,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:27:03,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:03,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:03,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:03,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:03,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:03,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:03,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:03,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:03,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:03,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:03,943 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:03,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:03,945 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:03,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:03,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:03,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:03,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:03,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:03,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:03,954 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:03,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:03,955 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:03,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:03,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:03,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:03,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:03,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:03,958 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:03,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:03,958 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:03,959 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_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2023-11-19 03:27:04,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:04,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:04,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:04,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:04,294 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:04,295 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2023-11-19 03:27:07,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:07,616 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:07,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2023-11-19 03:27:07,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data/09025fa00/8695f372411144089fa8d96e723ceaa9/FLAGfcde534eb [2023-11-19 03:27:07,649 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data/09025fa00/8695f372411144089fa8d96e723ceaa9 [2023-11-19 03:27:07,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:07,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:07,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:07,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:07,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:07,669 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,671 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a6823c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07, skipping insertion in model container [2023-11-19 03:27:07,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:07,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:07,902 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_8d52988c-eb50-4f27-a433-4fee97af4a7b/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2023-11-19 03:27:07,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:07,923 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:07,967 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_8d52988c-eb50-4f27-a433-4fee97af4a7b/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2023-11-19 03:27:07,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:07,991 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:07,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07 WrapperNode [2023-11-19 03:27:07,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:07,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:07,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:07,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:08,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,051 INFO L138 Inliner]: procedures = 18, calls = 78, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 201 [2023-11-19 03:27:08,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:08,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:08,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:08,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:08,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:08,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:08,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:08,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:08,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:07" (1/1) ... [2023-11-19 03:27:08,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:08,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:08,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:08,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:27:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:27:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 03:27:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 03:27:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:08,258 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:08,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:08,495 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:08,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:08,516 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:08,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:08 BoogieIcfgContainer [2023-11-19 03:27:08,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:08,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:08,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:08,545 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:08,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:08" (1/1) ... [2023-11-19 03:27:08,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:08,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-19 03:27:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-19 03:27:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:27:08,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:08,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:09,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:09,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2023-11-19 03:27:09,027 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2023-11-19 03:27:09,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:27:09,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:09,061 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:09,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:27:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:27:09,234 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:27:09,267 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-19 03:27:09,268 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 03:27:09,269 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-19 03:27:09,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:27:09 ImpRootNode [2023-11-19 03:27:09,278 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:27:09,279 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:27:09,279 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:27:09,279 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:27:09,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:08" (3/4) ... [2023-11-19 03:27:09,282 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:27:09,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:27:09,285 INFO L158 Benchmark]: Toolchain (without parser) took 1626.23ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 73.5MB in the beginning and 91.1MB in the end (delta: -17.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-19 03:27:09,285 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:09,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.74ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 73.2MB in the beginning and 136.7MB in the end (delta: -63.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:09,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.02ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 138.0MB in the end (delta: -1.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-19 03:27:09,288 INFO L158 Benchmark]: Boogie Preprocessor took 37.84ms. Allocated memory is still 167.8MB. Free memory was 138.0MB in the beginning and 136.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:09,288 INFO L158 Benchmark]: RCFGBuilder took 442.37ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 121.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:27:09,295 INFO L158 Benchmark]: CodeCheck took 743.37ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 91.1MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:27:09,295 INFO L158 Benchmark]: Witness Printer took 4.80ms. Allocated memory is still 167.8MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:09,299 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 18 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 53]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of to_real at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 38. Possible FailurePath: [L1] int __return_main; [L12] int __return_136; [L15] int main__i; [L16] float main__z; [L17] float main__t; [L18] float main__min[5] = { 5, 10, 12, 30, 150 }; [L19] float main__max[5] = { 10, 12, 30, 150, 300 }; [L20] float main__org[5] = { 1, 5, -10, 30, 20 }; [L21] float main__slope[5] = { 4, -15, 40, -10, 0 }; [L22] main__t = __VERIFIER_nondet_float() [L23] int main____CPAchecker_TMP_0; [L24] EXPR main__min[0] VAL [__return_136=0, __return_main=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L24] COND TRUE main__t >= (main__min[0]) [L26] EXPR main__max[4UL] VAL [__return_136=0, __return_main=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L26] COND TRUE main__t <= (main__max[4UL]) [L28] main____CPAchecker_TMP_0 = 1 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L29] COND TRUE main____CPAchecker_TMP_0 != 0 [L31] main__i = 0 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L32] COND TRUE main__i < 5UL [L34] EXPR main__max[main__i] VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L34] COND TRUE main__t <= (main__max[main__i]) [L38] EXPR main__org[main__i] [L38] EXPR main__slope[main__i] [L38] EXPR main__min[main__i] [L38] EXPR main__max[main__i] [L38] EXPR main__min[main__i] [L38] main__z = (main__org[main__i]) + (((main__slope[main__i]) * (main__t - (main__min[main__i]))) / ((main__max[main__i]) - (main__min[main__i]))) [L39] int main____CPAchecker_TMP_1; VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L40] COND FALSE !(main__z >= -10.0) VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L66] main____CPAchecker_TMP_1 = 0 VAL [__return_136=0, __return_main=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L47] int __tmp_1; [L48] __tmp_1 = main____CPAchecker_TMP_1 [L49] int __VERIFIER_assert__cond; [L50] __VERIFIER_assert__cond = __tmp_1 VAL [__VERIFIER_assert__cond=0, __return_136=0, __return_main=0, __tmp_1=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L51] COND TRUE __VERIFIER_assert__cond == 0 VAL [__VERIFIER_assert__cond=0, __return_136=0, __return_main=0, __tmp_1=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] [L53] reach_error() VAL [__VERIFIER_assert__cond=0, __return_136=0, __return_main=0, __tmp_1=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=0, main__i=0, main__max={242:0}, main__min={241:0}, main__org={243:0}, main__slope={244:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory was 97.9MB in the beginning and 97.8MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.74ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 73.2MB in the beginning and 136.7MB in the end (delta: -63.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.02ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 138.0MB in the end (delta: -1.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.84ms. Allocated memory is still 167.8MB. Free memory was 138.0MB in the beginning and 136.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.37ms. Allocated memory is still 167.8MB. Free memory was 136.6MB in the beginning and 121.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 743.37ms. Allocated memory is still 167.8MB. Free memory was 121.2MB in the beginning and 91.1MB in the end (delta: 30.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.80ms. Allocated memory is still 167.8MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:27:09,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/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_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL --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 32bit --witnessprinter.graph.data.programhash b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:12,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:12,143 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:27:12,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:12,176 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:12,177 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:12,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:12,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:12,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:12,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:12,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:27:12,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:27:12,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:12,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:12,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:12,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:12,183 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:27:12,183 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:27:12,184 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:27:12,184 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:27:12,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:12,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:12,190 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:12,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:12,190 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:12,191 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:12,191 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:12,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:12,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:12,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:12,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:12,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:12,195 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:27:12,195 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:12,195 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:12,196 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:27:12,196 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:12,196 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_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b786ed311f07fa83d19e15eff80ed0c31b01d28b674f6a431fdb0a4267861a0f [2023-11-19 03:27:12,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:12,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:12,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:12,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:12,621 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:12,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2023-11-19 03:27:15,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:16,146 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:16,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c [2023-11-19 03:27:16,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data/8469dd1d8/5890180581cc4d49b657b35e56ec18bb/FLAGf02a02381 [2023-11-19 03:27:16,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/data/8469dd1d8/5890180581cc4d49b657b35e56ec18bb [2023-11-19 03:27:16,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:16,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:16,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:16,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:16,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:16,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388e2cd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16, skipping insertion in model container [2023-11-19 03:27:16,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:16,438 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_8d52988c-eb50-4f27-a433-4fee97af4a7b/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2023-11-19 03:27:16,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:16,467 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:16,493 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_8d52988c-eb50-4f27-a433-4fee97af4a7b/sv-benchmarks/c/float-benchs/interpolation2.c.v+nlh-reducer.c[1463,1476] [2023-11-19 03:27:16,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:16,522 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:16,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16 WrapperNode [2023-11-19 03:27:16,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:16,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:16,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:16,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:16,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,605 INFO L138 Inliner]: procedures = 19, calls = 78, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 202 [2023-11-19 03:27:16,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:16,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:16,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:16,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:16,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:16,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:16,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:16,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:16,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:16" (1/1) ... [2023-11-19 03:27:16,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:16,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:16,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:16,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:16,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 03:27:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:27:16,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:27:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 03:27:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:16,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:16,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:16,906 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:16,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:27,820 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:27,920 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:27,921 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:27,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:27 BoogieIcfgContainer [2023-11-19 03:27:27,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:27,929 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:27,930 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:27,939 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:27,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:27" (1/1) ... [2023-11-19 03:27:27,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:27,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-19 03:27:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-19 03:27:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:27:28,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:28,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:28,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:27:28,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:27:28,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:27:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:28,276 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:27:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:28,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:27:28,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:28,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:27:28,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-19 03:27:28,814 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-19 03:27:28,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:27:28,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:28,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:28,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:27:28,819 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:27:28,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:27:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:30,148 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:27:40,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:27:40,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:27:40,516 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) [2023-11-19 03:27:40,520 INFO L158 Benchmark]: Toolchain (without parser) took 24335.06ms. Allocated memory is still 107.0MB. Free memory was 83.1MB in the beginning and 82.1MB in the end (delta: 999.0kB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2023-11-19 03:27:40,520 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:40,521 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.33ms. Allocated memory is still 107.0MB. Free memory was 82.8MB in the beginning and 70.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:27:40,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.56ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 68.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:40,522 INFO L158 Benchmark]: Boogie Preprocessor took 64.84ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 66.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:40,523 INFO L158 Benchmark]: RCFGBuilder took 11255.65ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 62.6MB in the end (delta: 3.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-19 03:27:40,523 INFO L158 Benchmark]: CodeCheck took 12589.14ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 82.1MB in the end (delta: -19.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:27:40,527 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 0.30ms. Allocated memory is still 69.2MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.33ms. Allocated memory is still 107.0MB. Free memory was 82.8MB in the beginning and 70.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.56ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 68.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.84ms. Allocated memory is still 107.0MB. Free memory was 68.2MB in the beginning and 66.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 11255.65ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 62.6MB in the end (delta: 3.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * CodeCheck took 12589.14ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 82.1MB in the end (delta: -19.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:27:40,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d52988c-eb50-4f27-a433-4fee97af4a7b/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown