./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3 --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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:06:29,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:06:29,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:06:29,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:06:29,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:06:29,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:06:29,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:06:29,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:06:29,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:06:29,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:06:29,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:06:29,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:06:29,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:06:29,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:06:29,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:06:29,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:06:29,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:06:29,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:06:29,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:06:29,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:06:29,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:06:29,482 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:06:29,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:06:29,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:06:29,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:06:29,483 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:06:29,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:06:29,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:29,485 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:06:29,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:06:29,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:06:29,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:06:29,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:06:29,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2024-11-24 18:06:29,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:06:29,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:06:29,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:06:29,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:06:29,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:06:29,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-11-24 18:06:32,927 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/35a5c94f6/eb2fc8adeaa14861be9651666e335143/FLAGe7b9b6152 [2024-11-24 18:06:33,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:33,246 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-11-24 18:06:33,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/35a5c94f6/eb2fc8adeaa14861be9651666e335143/FLAGe7b9b6152 [2024-11-24 18:06:33,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/35a5c94f6/eb2fc8adeaa14861be9651666e335143 [2024-11-24 18:06:33,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:33,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:33,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:33,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:33,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:33,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b65226b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33, skipping insertion in model container [2024-11-24 18:06:33,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,314 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:33,488 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_e1e690ef-2b35-41b2-ae3e-260780d9140f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-24 18:06:33,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:33,533 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:33,544 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_e1e690ef-2b35-41b2-ae3e-260780d9140f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-24 18:06:33,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:33,573 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:33,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33 WrapperNode [2024-11-24 18:06:33,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:33,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:33,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:33,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:33,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,611 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-24 18:06:33,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:33,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:33,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:33,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:33,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,634 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,638 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:33,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:33,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:33,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:33,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:33" (1/1) ... [2024-11-24 18:06:33,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:33,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:33,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:33,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:33,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:06:33,723 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:06:33,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:06:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:33,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:06:33,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:06:33,792 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:33,793 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:33,980 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:33,981 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:34,007 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:34,007 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 18:06:34,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:34 BoogieIcfgContainer [2024-11-24 18:06:34,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:34,008 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:34,008 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:34,023 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:34,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:34" (1/1) ... [2024-11-24 18:06:34,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:34,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-24 18:06:34,092 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-24 18:06:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:06:34,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:34,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:06:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:34,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-24 18:06:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-24 18:06:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:06:34,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:34,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:34,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:06:34,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:34,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-11-24 18:06:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-24 18:06:34,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:06:34,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:34,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:06:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:34,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 18:06:34,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:06:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-11-24 18:06:35,329 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-24 18:06:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-24 18:06:35,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:35,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:06:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:06:45,448 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:06:45,452 INFO L158 Benchmark]: Toolchain (without parser) took 12168.10ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 93.6MB in the end (delta: 12.4MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:45,452 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:45,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.83ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 94.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:45,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.39ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:45,455 INFO L158 Benchmark]: Boogie Preprocessor took 35.49ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.2MB in the end (delta: 953.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:45,455 INFO L158 Benchmark]: RCFGBuilder took 359.24ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 78.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:45,456 INFO L158 Benchmark]: CodeCheck took 11442.73ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 93.6MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:45,459 INFO L338 ainManager$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 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.83ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 94.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.39ms. Allocated memory is still 142.6MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.49ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.2MB in the end (delta: 953.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.24ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 78.9MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11442.73ms. Allocated memory is still 142.6MB. Free memory was 78.9MB in the beginning and 93.6MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:06:45,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3 --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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:06:48,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:06:48,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:06:48,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:06:48,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:06:48,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:06:48,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:06:48,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:06:48,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:06:48,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:06:48,363 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:06:48,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:06:48,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:06:48,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:06:48,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:06:48,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:06:48,364 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:06:48,366 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:06:48,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:06:48,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:06:48,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:06:48,366 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:06:48,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:06:48,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:06:48,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:48,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:06:48,367 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:06:48,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:48,368 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:06:48,368 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2024-11-24 18:06:48,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:06:48,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:06:48,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:06:48,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:06:48,713 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:06:48,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-11-24 18:06:51,808 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/bec2e4696/a36af0f0edd64836b39b0587312f8936/FLAG4163281da [2024-11-24 18:06:52,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:52,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-11-24 18:06:52,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/bec2e4696/a36af0f0edd64836b39b0587312f8936/FLAG4163281da [2024-11-24 18:06:52,124 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/data/bec2e4696/a36af0f0edd64836b39b0587312f8936 [2024-11-24 18:06:52,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:52,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:52,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:52,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:52,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:52,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2b6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52, skipping insertion in model container [2024-11-24 18:06:52,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,159 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:52,351 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_e1e690ef-2b35-41b2-ae3e-260780d9140f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-24 18:06:52,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:52,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:52,413 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_e1e690ef-2b35-41b2-ae3e-260780d9140f/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-24 18:06:52,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:52,450 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:52,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52 WrapperNode [2024-11-24 18:06:52,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:52,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:52,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:52,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:52,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,506 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-24 18:06:52,506 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:52,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:52,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:52,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:52,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,520 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,530 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:52,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:52,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:52,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:52,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:52" (1/1) ... [2024-11-24 18:06:52,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:52,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:52,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:52,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:06:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:06:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:06:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:52,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:52,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:06:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:06:52,699 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:52,701 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:52,972 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:52,972 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:53,036 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:53,037 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 18:06:53,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:53 BoogieIcfgContainer [2024-11-24 18:06:53,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:53,038 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:53,038 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:53,050 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:53,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:53" (1/1) ... [2024-11-24 18:06:53,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-24 18:06:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-24 18:06:53,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 18:06:53,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:53,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:53,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:53,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:06:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:53,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:53,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:06:53,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:06:53,339 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:06:53,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:06:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-24 18:06:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-24 18:06:53,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:06:53,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:53,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:53,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:53,376 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:53,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:06:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:53,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:53,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 18:06:53,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-24 18:06:53,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:06:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-11-24 18:06:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-11-24 18:06:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-24 18:06:53,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:53,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:53,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:53,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:53,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:06:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:54,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:07:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 18:07:04,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-24 18:07:04,370 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-24 18:07:04,374 INFO L158 Benchmark]: Toolchain (without parser) took 12243.49ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 77.5MB in the end (delta: 15.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-24 18:07:04,374 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:07:04,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.39ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:07:04,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.08ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:07:04,375 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.5MB in the end (delta: 907.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:07:04,376 INFO L158 Benchmark]: RCFGBuilder took 493.49ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 63.8MB in the end (delta: 14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:07:04,376 INFO L158 Benchmark]: CodeCheck took 11334.85ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 77.5MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:07:04,379 INFO L338 ainManager$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 0.31ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.39ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.08ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 79.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.5MB in the end (delta: 907.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 493.49ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 63.8MB in the end (delta: 14.7MB). There was no memory consumed. Max. memory is 16.1GB. * CodeCheck took 11334.85ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 77.5MB in the end (delta: -13.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-24 18:07:04,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1e690ef-2b35-41b2-ae3e-260780d9140f/bin/ukojak-verify-ENZ3QT5qd3/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown