./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk --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 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:39:58,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:39:58,816 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:39:58,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:39:58,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:39:58,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:39:58,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:39:58,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:39:58,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:39:58,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:39:58,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:39:58,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:39:58,857 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:39:58,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:39:58,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:39:58,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:39:58,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:39:58,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:39:58,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:39:58,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:39:58,862 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:39:58,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:39:58,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:39:58,863 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:39:58,864 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:39:58,864 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:39:58,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:39:58,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:58,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:39:58,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:39:58,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:39:58,866 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:39:58,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:39:58,867 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_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 [2024-11-08 19:39:59,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:39:59,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:39:59,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:39:59,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:39:59,191 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:39:59,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c Unable to find full path for "g++" [2024-11-08 19:40:01,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:40:01,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:40:01,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2024-11-08 19:40:01,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data/dcb6fc20a/2b32072b03784bad8801135c8eebd210/FLAG8f276a269 [2024-11-08 19:40:01,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data/dcb6fc20a/2b32072b03784bad8801135c8eebd210 [2024-11-08 19:40:01,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:40:01,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:40:01,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:01,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:40:01,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:40:01,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:01" (1/1) ... [2024-11-08 19:40:01,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7102af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:01, skipping insertion in model container [2024-11-08 19:40:01,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:01" (1/1) ... [2024-11-08 19:40:01,885 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:40:02,102 WARN L250 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_99a9aa38-6c33-493a-bb81-d672683702bf/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-11-08 19:40:02,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:02,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:40:02,143 WARN L250 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_99a9aa38-6c33-493a-bb81-d672683702bf/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-11-08 19:40:02,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:02,165 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:40:02,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02 WrapperNode [2024-11-08 19:40:02,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:02,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:02,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:40:02,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:40:02,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,199 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-08 19:40:02,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:02,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:40:02,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:40:02,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:40:02,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,224 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:40:02,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:40:02,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:40:02,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:40:02,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:02,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:40:02,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:40:02,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:40:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:40:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:40:02,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:40:02,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:40:02,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:40:02,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:40:02,377 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:40:02,380 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:40:02,512 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:40:02,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:40:02,546 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:40:02,546 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:40:02,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:02 BoogieIcfgContainer [2024-11-08 19:40:02,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:40:02,548 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:40:02,548 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:40:02,560 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:40:02,561 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:02" (1/1) ... [2024-11-08 19:40:02,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:40:02,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-08 19:40:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-08 19:40:02,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:40:02,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:02,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:40:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:02,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:40:02,823 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:40:02,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:40:02,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:02,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:02,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:40:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:02,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:40:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:03,018 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 19:40:03,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:40:03 ImpRootNode [2024-11-08 19:40:03,056 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:40:03,057 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:40:03,058 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:40:03,058 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:40:03,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:02" (3/4) ... [2024-11-08 19:40:03,062 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:40:03,063 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:40:03,064 INFO L158 Benchmark]: Toolchain (without parser) took 1216.53ms. Allocated memory is still 138.4MB. Free memory was 100.9MB in the beginning and 55.6MB in the end (delta: 45.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-11-08 19:40:03,066 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 78.6MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:03,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.53ms. Allocated memory is still 138.4MB. Free memory was 100.3MB in the beginning and 88.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:40:03,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 138.4MB. Free memory was 88.3MB in the beginning and 86.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:03,069 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 138.4MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:03,070 INFO L158 Benchmark]: RCFGBuilder took 320.49ms. Allocated memory is still 138.4MB. Free memory was 85.6MB in the beginning and 74.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:40:03,071 INFO L158 Benchmark]: CodeCheck took 508.40ms. Allocated memory is still 138.4MB. Free memory was 74.5MB in the beginning and 56.2MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:40:03,071 INFO L158 Benchmark]: Witness Printer took 5.59ms. Allocated memory is still 138.4MB. Free memory was 56.2MB in the beginning and 55.6MB in the end (delta: 638.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:03,077 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: 13]: 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 someBinaryDOUBLEComparisonOperation at line 22, overapproximation of someBinaryFLOATComparisonOperation at line 39, overapproximation of someBinaryArithmeticFLOAToperation at line 31. Possible FailurePath: [L20] float x = __VERIFIER_nondet_float() ; [L21] CALL assume_abort_if_not(x > -1.0) VAL [\old(cond)=1] [L11] COND FALSE !(!cond) [L21] RET assume_abort_if_not(x > -1.0) [L22] CALL assume_abort_if_not(x < 1.0) VAL [\old(cond)=1] [L11] COND FALSE !(!cond) [L22] RET assume_abort_if_not(x < 1.0) [L23] float exp = 1.0 ; [L24] float term = 1.0 ; [L25] unsigned int count = 1 ; [L26] float result = 2*(1/(1-x)) ; [L27] int temp ; VAL [count=1] [L29] COND TRUE 1 [L31] term = term * (x/count) [L32] exp = exp + term [L33] count++ [L35] temp = __VERIFIER_nondet_int() [L36] COND TRUE temp ==0 VAL [count=2] [L39] CALL __VERIFIER_assert( result >= exp ) [L13] COND TRUE !(cond) [L13] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 78.6MB in the end (delta: 30.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.53ms. Allocated memory is still 138.4MB. Free memory was 100.3MB in the beginning and 88.3MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 138.4MB. Free memory was 88.3MB in the beginning and 86.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 138.4MB. Free memory was 86.9MB in the beginning and 85.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.49ms. Allocated memory is still 138.4MB. Free memory was 85.6MB in the beginning and 74.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 508.40ms. Allocated memory is still 138.4MB. Free memory was 74.5MB in the beginning and 56.2MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.59ms. Allocated memory is still 138.4MB. Free memory was 56.2MB in the beginning and 55.6MB in the end (delta: 638.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:40:03,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk --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 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:40:05,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:40:05,991 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:40:06,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:40:06,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:40:06,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:40:06,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:40:06,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:40:06,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:40:06,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:40:06,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:40:06,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:40:06,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:40:06,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:40:06,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:40:06,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:40:06,055 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:40:06,055 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:40:06,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:40:06,056 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:40:06,056 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:40:06,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:40:06,058 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:40:06,058 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:40:06,059 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:40:06,059 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:40:06,060 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:06,060 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:40:06,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:40:06,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:06,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:40:06,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:40:06,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:40:06,063 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:40:06,064 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:06,064 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:40:06,064 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_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 259166f87cdd7847094aaf95c1b6c2506a27351f8fceb58c6f5bc2db5fb43f03 [2024-11-08 19:40:06,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:40:06,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:40:06,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:40:06,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:40:06,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:40:06,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c Unable to find full path for "g++" [2024-11-08 19:40:08,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:40:09,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:40:09,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c [2024-11-08 19:40:09,101 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data/510b77ad6/ef73d47c946045d88b329e8528769b09/FLAG118f67cdd [2024-11-08 19:40:09,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/data/510b77ad6/ef73d47c946045d88b329e8528769b09 [2024-11-08 19:40:09,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:40:09,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:40:09,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:09,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:40:09,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:40:09,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5f2384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09, skipping insertion in model container [2024-11-08 19:40:09,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,176 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:40:09,403 WARN L250 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_99a9aa38-6c33-493a-bb81-d672683702bf/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-11-08 19:40:09,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:09,438 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:40:09,451 WARN L250 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_99a9aa38-6c33-493a-bb81-d672683702bf/sv-benchmarks/c/loop-floats-scientific-comp/loop1-1.c[497,510] [2024-11-08 19:40:09,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:09,478 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:40:09,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09 WrapperNode [2024-11-08 19:40:09,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:09,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:09,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:40:09,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:40:09,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,518 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-08 19:40:09,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:09,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:40:09,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:40:09,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:40:09,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,560 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:40:09,561 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:40:09,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:40:09,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:40:09,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:09" (1/1) ... [2024-11-08 19:40:09,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:09,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:40:09,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:40:09,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:40:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:40:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:40:09,691 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:40:09,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:40:09,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:40:09,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:40:09,812 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:40:09,815 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:40:21,526 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 19:40:21,526 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:40:21,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:40:21,590 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:40:21,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:21 BoogieIcfgContainer [2024-11-08 19:40:21,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:40:21,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:40:21,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:40:21,605 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:40:21,607 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:21" (1/1) ... [2024-11-08 19:40:21,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:40:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:21,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-08 19:40:21,686 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-08 19:40:21,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:40:21,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:21,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:21,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:40:21,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:21,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:21,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:40:21,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:40:21,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:40:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:40:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:40:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:40:21,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:21,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:21,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:21,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:21,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:40:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:23,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:33,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:33,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 19:40:33,515 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:485) 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) [2024-11-08 19:40:33,528 INFO L158 Benchmark]: Toolchain (without parser) took 24390.78ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 49.3MB in the beginning and 70.4MB in the end (delta: -21.1MB). Peak memory consumption was 708.8kB. Max. memory is 16.1GB. [2024-11-08 19:40:33,529 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:33,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.62ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 36.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:40:33,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.12ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 34.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:33,532 INFO L158 Benchmark]: Boogie Preprocessor took 41.77ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 33.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:33,538 INFO L158 Benchmark]: RCFGBuilder took 12030.35ms. Allocated memory is still 73.4MB. Free memory was 33.0MB in the beginning and 42.2MB in the end (delta: -9.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-08 19:40:33,541 INFO L158 Benchmark]: CodeCheck took 11926.74ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 70.4MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:33,550 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:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 73.4MB. Free memory was 49.3MB in the beginning and 49.2MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.62ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 36.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.12ms. Allocated memory is still 73.4MB. Free memory was 36.0MB in the beginning and 34.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.77ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 33.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 12030.35ms. Allocated memory is still 73.4MB. Free memory was 33.0MB in the beginning and 42.2MB in the end (delta: -9.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * CodeCheck took 11926.74ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 42.1MB in the beginning and 70.4MB in the end (delta: -28.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:40:33,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99a9aa38-6c33-493a-bb81-d672683702bf/bin/ukojak-verify-ImItNfHLgk/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