./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:56:39,686 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:56:39,780 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:56:39,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:56:39,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:56:39,810 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:56:39,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:56:39,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:56:39,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:56:39,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:56:39,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:56:39,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:56:39,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:56:39,813 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:56:39,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:56:39,813 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:56:39,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:56:39,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:56:39,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:56:39,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:39,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:56:39,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:56:39,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:56:39,814 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:56:39,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:56:39,814 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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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 -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-11-25 04:56:40,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:56:40,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:56:40,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:56:40,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:56:40,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:56:40,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-25 04:56:43,678 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/673e37d95/133673fec0134f55a095ae912b4184ac/FLAG600868a97 [2024-11-25 04:56:43,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:56:43,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-25 04:56:43,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/673e37d95/133673fec0134f55a095ae912b4184ac/FLAG600868a97 [2024-11-25 04:56:43,992 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/673e37d95/133673fec0134f55a095ae912b4184ac [2024-11-25 04:56:43,996 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:56:43,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:56:44,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:44,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:56:44,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:56:44,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:43" (1/1) ... [2024-11-25 04:56:44,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7066ebfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44, skipping insertion in model container [2024-11-25 04:56:44,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:56:43" (1/1) ... [2024-11-25 04:56:44,028 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:56:44,199 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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-25 04:56:44,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:44,233 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:56:44,248 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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-25 04:56:44,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:56:44,279 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:56:44,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44 WrapperNode [2024-11-25 04:56:44,281 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:56:44,282 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:44,282 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:56:44,282 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:56:44,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,323 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-25 04:56:44,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:56:44,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:56:44,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:56:44,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:56:44,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,343 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,344 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,357 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:56:44,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:56:44,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:56:44,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:56:44,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:56:44,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:56:44,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:56:44,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:56:44,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:56:44,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:56:44,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:56:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:56:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:56:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:56:44,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:56:44,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:56:44,484 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:56:44,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:56:44,674 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:56:44,674 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:56:44,744 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:56:44,744 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:56:44,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:44 BoogieIcfgContainer [2024-11-25 04:56:44,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:56:44,745 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:56:44,745 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:56:44,757 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:56:44,757 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:56:44" (1/1) ... [2024-11-25 04:56:44,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:56:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 04:56:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 04:56:44,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 04:56:44,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:44,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:56:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:45,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:56:45,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:45,314 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 04:56:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:45,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2024-11-25 04:56:45,498 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2024-11-25 04:56:45,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:56:45,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:45,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:46,241 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 04:56:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-25 04:56:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-25 04:56:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:56:48,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:56:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:50,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 04:56:50,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:56:56,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:56:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2024-11-25 04:56:59,003 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-11-25 04:56:59,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:56:59,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:59,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:56:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:57:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:57:09,245 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 04:57:09,250 INFO L158 Benchmark]: Toolchain (without parser) took 25251.77ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 42.9MB in the end (delta: 50.0MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:09,250 INFO L158 Benchmark]: CDTParser took 1.90ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:09,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.76ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:09,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.13ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:57:09,251 INFO L158 Benchmark]: Boogie Preprocessor took 33.20ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:09,251 INFO L158 Benchmark]: RCFGBuilder took 386.51ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:57:09,252 INFO L158 Benchmark]: CodeCheck took 24503.64ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 42.9MB in the end (delta: 23.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-11-25 04:57:09,256 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 1.90ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.76ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.13ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.20ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 386.51ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 66.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 24503.64ms. Allocated memory is still 117.4MB. Free memory was 66.3MB in the beginning and 42.9MB in the end (delta: 23.3MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 04:57:09,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:57:11,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:57:11,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:57:11,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:57:11,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:57:11,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:57:11,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:57:11,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:57:11,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:57:11,952 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:57:11,953 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:57:11,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:57:11,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:57:11,953 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:57:11,953 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:57:11,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:57:11,955 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:57:11,955 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:57:11,955 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:11,955 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:57:11,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:57:11,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:57:11,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:57:11,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:57:11,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:57:11,956 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:57:11,956 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:11,956 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:57:11,956 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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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 -> 654f2a5144415573fc1d6067bb4543ae0058de290c8f1b991cc759cea7560c8f [2024-11-25 04:57:12,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:57:12,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:57:12,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:57:12,287 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:57:12,287 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:57:12,288 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-25 04:57:15,925 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/87af380f7/6eac2b92e4d94031be78cae5c196ee1c/FLAG5edb76f28 [2024-11-25 04:57:16,199 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:57:16,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-11-25 04:57:16,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/87af380f7/6eac2b92e4d94031be78cae5c196ee1c/FLAG5edb76f28 [2024-11-25 04:57:16,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/data/87af380f7/6eac2b92e4d94031be78cae5c196ee1c [2024-11-25 04:57:16,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:57:16,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:57:16,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:57:16,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:57:16,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:57:16,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1eb8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16, skipping insertion in model container [2024-11-25 04:57:16,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:57:16,434 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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-25 04:57:16,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:57:16,476 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:57:16,492 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_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c[537,550] [2024-11-25 04:57:16,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:57:16,523 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:57:16,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16 WrapperNode [2024-11-25 04:57:16,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:57:16,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:57:16,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:57:16,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:57:16,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,555 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2024-11-25 04:57:16,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:57:16,556 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:57:16,556 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:57:16,556 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:57:16,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:57:16,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:57:16,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:57:16,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:57:16,596 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:57:16" (1/1) ... [2024-11-25 04:57:16,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:57:16,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:57:16,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:57:16,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:57:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:57:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:57:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:57:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:57:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:57:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:57:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:57:16,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:57:16,753 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:57:16,755 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:57:16,963 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 04:57:16,963 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:57:17,014 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:57:17,014 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:57:17,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:17 BoogieIcfgContainer [2024-11-25 04:57:17,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:57:17,015 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:57:17,015 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:57:17,030 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:57:17,030 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:57:17" (1/1) ... [2024-11-25 04:57:17,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:57:17,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:17,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 04:57:17,082 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 04:57:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 04:57:17,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:17,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:17,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:17,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:17,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:57:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:17,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:17,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 04:57:17,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:57:17,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:57:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 35 transitions. [2024-11-25 04:57:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 04:57:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:57:18,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:18,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:18,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:18,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:57:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:18,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:18,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 04:57:18,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 04:57:20,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:57:25,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:57:25,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:25,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 29 states and 44 transitions. [2024-11-25 04:57:25,336 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2024-11-25 04:57:25,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 04:57:25,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:25,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:25,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:25,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:25,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:57:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:25,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:26,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-25 04:57:26,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:29,047 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-25 04:57:29,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:57:40,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:57:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 32 states and 52 transitions. [2024-11-25 04:57:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-25 04:57:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-25 04:57:42,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:42,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:42,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:42,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:42,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:57:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:43,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:44,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:44,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 04:57:44,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:49,929 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-25 04:57:49,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:58:11,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:58:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 34 states and 57 transitions. [2024-11-25 04:58:13,502 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2024-11-25 04:58:13,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:13,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:13,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:13,506 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:13,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:58:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:14,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:17,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 04:58:17,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:49,253 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 04:58:49,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 04:59:49,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:59:50,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:59:53,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:59:56,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 04:59:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:56,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 62 transitions. [2024-11-25 04:59:56,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-11-25 04:59:56,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 04:59:56,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:56,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:56,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:56,472 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:56,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:59:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:57,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:01,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 05:00:01,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:58,614 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 260 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:02:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-25 05:02:17,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 05:03:06,214 WARN L286 SmtUtils]: Spent 36.48s on a formula simplification. DAG size of input: 163 DAG size of output: 163 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:03:19,580 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 164 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:03:22,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:03:25,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:04:41,027 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 261 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:05:10,369 WARN L286 SmtUtils]: Spent 27.22s on a formula simplification. DAG size of input: 303 DAG size of output: 302 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:05:37,235 WARN L286 SmtUtils]: Spent 11.19s on a formula simplification that was a NOOP. DAG size: 303 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:05:47,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:05:52,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:06:03,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:06:13,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:06:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 38 states and 70 transitions. [2024-11-25 05:06:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 70 transitions. [2024-11-25 05:06:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-25 05:06:14,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:14,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:06:14,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:06:14,172 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:06:14,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 05:06:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:15,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:06:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:06:25,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 05:06:25,305 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 05:06:25,310 INFO L158 Benchmark]: Toolchain (without parser) took 549073.28ms. Allocated memory was 83.9MB in the beginning and 218.1MB in the end (delta: 134.2MB). Free memory was 61.2MB in the beginning and 167.5MB in the end (delta: -106.3MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-25 05:06:25,312 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:25,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.85ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 49.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:25,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.85ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 48.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:25,315 INFO L158 Benchmark]: Boogie Preprocessor took 38.24ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 47.2MB in the end (delta: 739.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:25,318 INFO L158 Benchmark]: RCFGBuilder took 419.94ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 33.2MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:25,318 INFO L158 Benchmark]: CodeCheck took 548293.74ms. Allocated memory was 83.9MB in the beginning and 218.1MB in the end (delta: 134.2MB). Free memory was 33.2MB in the beginning and 167.5MB in the end (delta: -134.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-11-25 05:06:25,320 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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.85ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 49.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.85ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 48.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.24ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 47.2MB in the end (delta: 739.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 419.94ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 33.2MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 548293.74ms. Allocated memory was 83.9MB in the beginning and 218.1MB in the end (delta: 134.2MB). Free memory was 33.2MB in the beginning and 167.5MB in the end (delta: -134.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 05:06:25,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ecb2cb7-ae52-4819-9f28-eb099a0bd47c/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