./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.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_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/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_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/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_4d96e9f9-a854-4923-953f-8d1ef65307ba/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 224124331a9cf6d591dda5cf0214448c28166748d3252ec664da301130d1a9f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:09:18,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:09:18,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:09:18,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:09:18,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:09:18,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:09:18,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:09:18,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:09:18,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:09:18,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:09:18,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:09:18,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:09:18,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:09:18,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:09:18,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:09:18,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:09:18,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:09:18,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:09:18,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:09:18,929 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:09:18,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:09:18,932 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:09:18,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:09:18,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:09:18,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:09:18,933 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:09:18,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:09:18,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:18,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:09:18,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:09:18,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:09:18,934 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:09:18,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:09:18,934 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_4d96e9f9-a854-4923-953f-8d1ef65307ba/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 -> 224124331a9cf6d591dda5cf0214448c28166748d3252ec664da301130d1a9f9 [2024-11-25 04:09:19,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:09:19,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:09:19,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:09:19,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:09:19,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:09:19,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-11-25 04:09:22,803 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/d8f2831bd/b55f6c87489749eeb4bbfa36c701de2c/FLAG1a0cd0d91 [2024-11-25 04:09:23,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:09:23,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-11-25 04:09:23,111 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/d8f2831bd/b55f6c87489749eeb4bbfa36c701de2c/FLAG1a0cd0d91 [2024-11-25 04:09:23,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/d8f2831bd/b55f6c87489749eeb4bbfa36c701de2c [2024-11-25 04:09:23,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:09:23,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:09:23,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:23,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:09:23,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:09:23,142 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59713276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23, skipping insertion in model container [2024-11-25 04:09:23,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,191 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:09:23,407 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_4d96e9f9-a854-4923-953f-8d1ef65307ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-11-25 04:09:23,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:23,456 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:09:23,472 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_4d96e9f9-a854-4923-953f-8d1ef65307ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-11-25 04:09:23,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:09:23,503 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:09:23,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23 WrapperNode [2024-11-25 04:09:23,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:09:23,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:23,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:09:23,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:09:23,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,545 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-25 04:09:23,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:09:23,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:09:23,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:09:23,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:09:23,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,568 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:09:23,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:09:23,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:09:23,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:09:23,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:09:23" (1/1) ... [2024-11-25 04:09:23,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:09:23,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:09:23,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:09:23,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:09:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:09:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:09:23,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:09:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:09:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:09:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:09:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:09:23,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:09:23,758 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:09:23,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:09:23,991 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:09:23,992 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:09:24,078 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:09:24,079 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:09:24,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:24 BoogieIcfgContainer [2024-11-25 04:09:24,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:09:24,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:09:24,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:09:24,093 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:09:24,093 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:09:24" (1/1) ... [2024-11-25 04:09:24,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:09:24,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:24,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 04:09:24,179 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 04:09:24,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 04:09:24,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:24,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:09:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:09:24,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:24,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:09:24,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:24,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:09:24,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:24,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 04:09:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 04:09:24,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:09:24,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:24,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:09:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:09:27,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:27,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-25 04:09:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-25 04:09:27,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:09:27,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:09:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:09:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:28,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 04:09:28,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:39,550 WARN L286 SmtUtils]: Spent 10.11s 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) [2024-11-25 04:09:50,594 WARN L286 SmtUtils]: Spent 11.04s 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) [2024-11-25 04:10:06,354 WARN L286 SmtUtils]: Spent 12.23s 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) [2024-11-25 04:10:16,426 WARN L286 SmtUtils]: Spent 10.01s 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) [2024-11-25 04:10:22,354 WARN L286 SmtUtils]: Spent 5.93s 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) [2024-11-25 04:10:22,482 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:10:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 42 transitions. [2024-11-25 04:10:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-11-25 04:10:29,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:10:29,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:10:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:10:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:10:40,017 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:10:40,021 INFO L158 Benchmark]: Toolchain (without parser) took 76888.03ms. Allocated memory is still 167.8MB. Free memory was 131.0MB in the beginning and 130.2MB in the end (delta: 819.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:40,021 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:40,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.52ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 119.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:10:40,022 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 117.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:40,023 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 117.2MB in the end (delta: 691.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:40,023 INFO L158 Benchmark]: RCFGBuilder took 493.18ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 104.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:10:40,023 INFO L158 Benchmark]: CodeCheck took 75939.31ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 130.2MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:40,026 INFO L338 ainManager$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 0.53ms. Allocated memory is still 167.8MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.52ms. Allocated memory is still 167.8MB. Free memory was 130.6MB in the beginning and 119.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 167.8MB. Free memory was 119.3MB in the beginning and 117.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 117.2MB in the end (delta: 691.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 493.18ms. Allocated memory is still 167.8MB. Free memory was 117.2MB in the beginning and 104.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 75939.31ms. Allocated memory is still 167.8MB. Free memory was 103.7MB in the beginning and 130.2MB in the end (delta: -26.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:10:40,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/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_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/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_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/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_4d96e9f9-a854-4923-953f-8d1ef65307ba/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 224124331a9cf6d591dda5cf0214448c28166748d3252ec664da301130d1a9f9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:10:42,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:10:42,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:10:42,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:10:42,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:10:42,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:10:42,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:10:42,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:10:42,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:10:42,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:10:42,917 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:10:42,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:10:42,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:10:42,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:10:42,919 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:10:42,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:10:42,920 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:10:42,920 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:10:42,920 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:10:42,921 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:42,921 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:10:42,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:10:42,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:42,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:10:42,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:10:42,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:10:42,922 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:10:42,923 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:42,923 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:10:42,923 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_4d96e9f9-a854-4923-953f-8d1ef65307ba/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 -> 224124331a9cf6d591dda5cf0214448c28166748d3252ec664da301130d1a9f9 [2024-11-25 04:10:43,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:10:43,302 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:10:43,305 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:10:43,306 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:10:43,307 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:10:43,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-11-25 04:10:46,601 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/1a530b1c8/f03935deb3714cff8474edc26af407a7/FLAGba756036f [2024-11-25 04:10:46,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:10:46,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-11-25 04:10:46,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/1a530b1c8/f03935deb3714cff8474edc26af407a7/FLAGba756036f [2024-11-25 04:10:46,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/data/1a530b1c8/f03935deb3714cff8474edc26af407a7 [2024-11-25 04:10:46,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:10:46,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:10:46,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:46,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:10:46,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:10:46,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:46,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@767e519a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:46, skipping insertion in model container [2024-11-25 04:10:46,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:10:46" (1/1) ... [2024-11-25 04:10:47,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:10:47,269 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_4d96e9f9-a854-4923-953f-8d1ef65307ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-11-25 04:10:47,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:47,324 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:10:47,345 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_4d96e9f9-a854-4923-953f-8d1ef65307ba/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c[537,550] [2024-11-25 04:10:47,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:10:47,395 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:10:47,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47 WrapperNode [2024-11-25 04:10:47,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:10:47,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:47,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:10:47,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:10:47,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,444 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-25 04:10:47,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:10:47,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:10:47,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:10:47,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:10:47,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,467 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,472 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:10:47,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:10:47,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:10:47,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:10:47,481 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:10:47" (1/1) ... [2024-11-25 04:10:47,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:10:47,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:10:47,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:10:47,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:10:47,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:10:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:10:47,565 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:10:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:10:47,666 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:10:47,669 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:10:47,909 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:10:47,909 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:10:47,999 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:10:48,000 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:10:48,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:48 BoogieIcfgContainer [2024-11-25 04:10:48,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:10:48,002 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:10:48,002 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:10:48,017 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:10:48,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:10:48" (1/1) ... [2024-11-25 04:10:48,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:10:48,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 04:10:48,111 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 04:10:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 04:10:48,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:48,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:48,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:48,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:48,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:10:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:48,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:10:58,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:10:58,555 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:10:58,561 INFO L158 Benchmark]: Toolchain (without parser) took 11579.12ms. Allocated memory is still 109.1MB. Free memory was 85.6MB in the beginning and 47.5MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:10:58,562 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:58,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.50ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 73.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:10:58,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.76ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:10:58,563 INFO L158 Benchmark]: Boogie Preprocessor took 31.95ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.5MB in the end (delta: 976.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:10:58,564 INFO L158 Benchmark]: RCFGBuilder took 522.04ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 57.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:10:58,564 INFO L158 Benchmark]: CodeCheck took 10558.02ms. Allocated memory is still 109.1MB. Free memory was 57.0MB in the beginning and 47.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:10:58,568 INFO L338 ainManager$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 0.50ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.50ms. Allocated memory is still 109.1MB. Free memory was 85.4MB in the beginning and 73.7MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.76ms. Allocated memory is still 109.1MB. Free memory was 73.7MB in the beginning and 72.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.95ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.5MB in the end (delta: 976.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 522.04ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 57.2MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10558.02ms. Allocated memory is still 109.1MB. Free memory was 57.0MB in the beginning and 47.5MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:10:58,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d96e9f9-a854-4923-953f-8d1ef65307ba/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