./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:55,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:55,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:40:55,515 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:40:55,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:40:55,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:55,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:40:55,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:40:55,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:55,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:55,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:55,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:40:55,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:40:55,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:40:55,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:40:55,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:55,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:40:55,563 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:55,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:40:55,563 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:55,563 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:40:55,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:40:55,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:55,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:55,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:55,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:55,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:55,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:55,570 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:55,570 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:55,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:40:55,571 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:40:55,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:40:55,571 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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-11-08 23:40:55,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:55,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:55,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:55,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:55,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:55,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c Unable to find full path for "g++" [2024-11-08 23:40:57,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:58,149 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:58,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-08 23:40:58,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data/0c04e9198/a3c10a4514e844e9bdee6077b09e0f4f/FLAGdfcd86845 [2024-11-08 23:40:58,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data/0c04e9198/a3c10a4514e844e9bdee6077b09e0f4f [2024-11-08 23:40:58,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:58,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:58,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:58,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:58,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:58,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6821228a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58, skipping insertion in model container [2024-11-08 23:40:58,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,532 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:58,720 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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-08 23:40:58,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:58,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:58,763 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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-08 23:40:58,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:58,787 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:58,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58 WrapperNode [2024-11-08 23:40:58,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:58,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:58,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:58,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:58,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,818 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-08 23:40:58,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:58,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:58,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:58,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:58,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:58,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:58,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:58,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:58,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:58" (1/1) ... [2024-11-08 23:40:58,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:58,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:58,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:58,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:40:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:40:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:40:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:40:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:40:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:40:58,971 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:58,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:59,140 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:59,141 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:59,222 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:59,222 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:40:59,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:59 BoogieIcfgContainer [2024-11-08 23:40:59,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:59,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:59,227 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:59,238 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:59,239 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:59" (1/1) ... [2024-11-08 23:40:59,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:59,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:40:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:40:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:40:59,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:59,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:59,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:40:59,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:40:59,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 23:40:59,970 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 23:40:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:40:59,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:41:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:02,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-08 23:41:02,501 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-08 23:41:02,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:41:02,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:02,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:04,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:04,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:41:04,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:28,709 WARN L286 SmtUtils]: Spent 10.23s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:41:38,745 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:41:45,709 WARN L286 SmtUtils]: Spent 6.96s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:41:55,771 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:42:05,942 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:42:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:42:19,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:42:27,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:42:29,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2024-11-08 23:42:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2024-11-08 23:42:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:42:29,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:29,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:42:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:31,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:42:31,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:43:11,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:43:17,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:43:17,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:17,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2024-11-08 23:43:17,647 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-11-08 23:43:17,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:43:17,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:17,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:43:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:43:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:23,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:43:23,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-08 23:43:54,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:44:04,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:44:35,553 WARN L286 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:45:25,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:45:38,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:45:41,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:45:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2024-11-08 23:45:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2024-11-08 23:45:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:45:42,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:42,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:45:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:45:52,317 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 23:45:52,320 INFO L158 Benchmark]: Toolchain (without parser) took 293824.52ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 68.7MB in the end (delta: 95.7MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2024-11-08 23:45:52,321 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 132.1MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:45:52,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.01ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 152.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:45:52,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.67ms. Allocated memory is still 197.1MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:52,323 INFO L158 Benchmark]: Boogie Preprocessor took 22.76ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 148.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:45:52,323 INFO L158 Benchmark]: RCFGBuilder took 380.16ms. Allocated memory is still 197.1MB. Free memory was 148.7MB in the beginning and 135.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:45:52,324 INFO L158 Benchmark]: CodeCheck took 293093.06ms. Allocated memory is still 197.1MB. Free memory was 135.3MB in the beginning and 68.7MB in the end (delta: 66.6MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-08 23:45:52,327 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 0.27ms. Allocated memory is still 132.1MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.01ms. Allocated memory is still 197.1MB. Free memory was 164.3MB in the beginning and 152.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.67ms. Allocated memory is still 197.1MB. Free memory was 152.1MB in the beginning and 150.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.76ms. Allocated memory is still 197.1MB. Free memory was 150.0MB in the beginning and 148.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.16ms. Allocated memory is still 197.1MB. Free memory was 148.7MB in the beginning and 135.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 293093.06ms. Allocated memory is still 197.1MB. Free memory was 135.3MB in the beginning and 68.7MB in the end (delta: 66.6MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:45:52,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:45:54,838 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:45:54,936 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:45:54,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:45:54,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:45:54,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:45:54,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:45:54,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:45:54,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:45:54,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:45:54,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:45:54,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:45:54,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:45:54,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:45:54,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:45:54,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:45:55,000 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:45:55,000 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:45:55,000 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:45:55,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:45:55,001 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:45:55,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:45:55,007 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:45:55,008 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:45:55,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:45:55,009 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:45:55,010 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:55,010 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:45:55,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:45:55,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:55,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:45:55,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:45:55,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:45:55,012 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:45:55,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:55,012 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:45:55,013 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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-11-08 23:45:55,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:45:55,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:45:55,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:45:55,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:45:55,561 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:45:55,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c Unable to find full path for "g++" [2024-11-08 23:45:57,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:45:58,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:45:58,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-08 23:45:58,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data/0b9205843/1f44ccf6437d4cad93ba4bc3bfb9ae07/FLAG274d3bfb6 [2024-11-08 23:45:58,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/data/0b9205843/1f44ccf6437d4cad93ba4bc3bfb9ae07 [2024-11-08 23:45:58,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:45:58,345 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:45:58,347 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:58,347 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:45:58,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:45:58,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b88f7a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58, skipping insertion in model container [2024-11-08 23:45:58,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:45:58,643 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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-08 23:45:58,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:58,686 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:45:58,705 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_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-08 23:45:58,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:58,742 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:45:58,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58 WrapperNode [2024-11-08 23:45:58,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:58,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:58,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:45:58,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:45:58,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,761 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,778 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-08 23:45:58,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:58,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:45:58,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:45:58,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:45:58,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:45:58,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:45:58,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:45:58,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:45:58,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:58" (1/1) ... [2024-11-08 23:45:58,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:58,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:45:58,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:45:58,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:45:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:45:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:45:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:45:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:45:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:45:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:45:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:45:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:45:59,031 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:45:59,034 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:59,278 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:59,278 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:59,367 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:59,367 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:45:59,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:59 BoogieIcfgContainer [2024-11-08 23:45:59,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:59,368 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:59,368 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:59,379 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:59,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:59" (1/1) ... [2024-11-08 23:45:59,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:59,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:45:59,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:45:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:45:59,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:59,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:59,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:59,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:59,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:45:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:59,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:59,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:45:59,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:46:00,662 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:46:00,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:46:01,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 27 states and 37 transitions. [2024-11-08 23:46:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2024-11-08 23:46:01,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-08 23:46:01,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:01,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:01,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:01,689 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:01,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:46:01,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:01,788 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:01,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:46:01,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:03,810 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-08 23:46:03,812 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:46:03,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:46:08,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 46 transitions. [2024-11-08 23:46:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2024-11-08 23:46:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:46:08,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:08,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:08,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:08,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:08,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:46:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:09,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:09,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:46:09,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:11,432 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:46:11,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:46:21,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:23,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 52 transitions. [2024-11-08 23:46:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2024-11-08 23:46:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 23:46:23,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:23,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:23,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:23,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:23,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:46:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:23,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:25,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:46:25,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-08 23:46:31,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:46:54,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:56,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 58 transitions. [2024-11-08 23:46:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2024-11-08 23:46:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:46:57,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:57,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:57,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:57,956 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:57,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:46:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:58,633 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:01,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 23:47:01,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:33,418 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:47:33,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:30,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:48:35,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:48:38,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:48:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 64 transitions. [2024-11-08 23:48:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-11-08 23:48:38,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-08 23:48:38,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:38,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:38,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:38,431 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:38,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:48:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:39,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:43,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 23:48:43,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:35,238 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:51:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 23:51:04,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:52:00,445 WARN L286 SmtUtils]: Spent 43.45s on a formula simplification. DAG size of input: 163 DAG size of output: 163 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:52:12,803 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:52:17,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:53:30,222 WARN L286 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:53:53,625 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:54:19,826 WARN L286 SmtUtils]: Spent 10.79s on a formula simplification that was a NOOP. DAG size: 304 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:54:28,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.13s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:31,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.73s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:41,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:51,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 70 transitions. [2024-11-08 23:54:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2024-11-08 23:54:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-08 23:54:51,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:51,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:51,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:51,121 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:51,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c21786f4-21d0-4dea-bed3-4d74be5ff9ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:54:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:52,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:56,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 23:54:56,570 INFO L278 TraceCheckSpWp]: Computing forward predicates...