./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/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_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/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_0de68a41-62ae-4143-8665-5407b6e2b3c1/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 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:13:42,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:13:43,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:13:43,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:13:43,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:13:43,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:13:43,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:13:43,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:13:43,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:13:43,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:13:43,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:13:43,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:13:43,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:13:43,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:13:43,052 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:13:43,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:13:43,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:13:43,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:13:43,053 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:13:43,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:13:43,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:13:43,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:13:43,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:13:43,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:13:43,054 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:13:43,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:13:43,054 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_0de68a41-62ae-4143-8665-5407b6e2b3c1/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 -> 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb [2024-11-25 03:13:43,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:13:43,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:13:43,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:13:43,396 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:13:43,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:13:43,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-11-25 03:13:46,424 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/7eb319635/220d4a255a5646569440f34a38f464d3/FLAG0f20d5a00 [2024-11-25 03:13:46,668 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:13:46,669 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-11-25 03:13:46,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/7eb319635/220d4a255a5646569440f34a38f464d3/FLAG0f20d5a00 [2024-11-25 03:13:46,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/7eb319635/220d4a255a5646569440f34a38f464d3 [2024-11-25 03:13:46,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:13:46,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:13:46,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:13:46,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:13:46,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:13:46,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:13:46" (1/1) ... [2024-11-25 03:13:46,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b867ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:46, skipping insertion in model container [2024-11-25 03:13:46,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:13:46" (1/1) ... [2024-11-25 03:13:47,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:13:47,183 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_0de68a41-62ae-4143-8665-5407b6e2b3c1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-11-25 03:13:47,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:13:47,222 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:13:47,234 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_0de68a41-62ae-4143-8665-5407b6e2b3c1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-11-25 03:13:47,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:13:47,264 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:13:47,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47 WrapperNode [2024-11-25 03:13:47,265 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:13:47,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:13:47,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:13:47,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:13:47,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,283 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,301 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-25 03:13:47,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:13:47,302 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:13:47,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:13:47,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:13:47,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,319 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,326 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:13:47,331 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:13:47,335 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:13:47,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:13:47,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:13:47,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:13:47,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:13:47,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:13:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:13:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:13:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:13:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:13:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:13:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:13:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:13:47,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:13:47,481 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:13:47,483 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:13:47,649 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:13:47,650 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:13:47,713 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:13:47,713 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:13:47,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:13:47 BoogieIcfgContainer [2024-11-25 03:13:47,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:13:47,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:13:47,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:13:47,729 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:13:47,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:13:47" (1/1) ... [2024-11-25 03:13:47,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:13:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 03:13:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 03:13:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:13:47,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:47,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:48,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:13:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 03:13:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 03:13:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:13:48,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:13:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-11-25 03:13:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 03:13:48,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:13:48,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:48,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:13:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:48,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:13:48,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:48,714 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:13:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 39 transitions. [2024-11-25 03:13:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2024-11-25 03:13:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-25 03:13:49,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:13:50,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:13:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 39 transitions. [2024-11-25 03:13:50,984 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-25 03:13:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:13:50,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:13:50,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:13:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:13:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:13:51,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:13:51,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:13:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:14:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:09,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 49 transitions. [2024-11-25 03:14:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-11-25 03:14:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:14:09,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:09,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:14:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 60 transitions. [2024-11-25 03:14:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2024-11-25 03:14:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-25 03:14:10,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:14:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:12,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 03:14:12,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:14:12,848 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:14:16,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 64 transitions. [2024-11-25 03:14:16,232 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2024-11-25 03:14:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:14:16,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:16,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:16,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:14:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:20,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-25 03:14:20,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:14:51,674 WARN L286 SmtUtils]: Spent 10.15s 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 03:15:04,030 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:15:14,150 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:15:20,384 WARN L286 SmtUtils]: Spent 6.10s 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 03:15:30,537 WARN L286 SmtUtils]: Spent 10.15s 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 03:15:41,654 WARN L286 SmtUtils]: Spent 11.12s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:15:51,832 WARN L286 SmtUtils]: Spent 10.18s 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 03:16:05,332 WARN L286 SmtUtils]: Spent 9.88s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 03:16:15,390 WARN L286 SmtUtils]: Spent 8.16s 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 03:16:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:17:39,203 WARN L286 SmtUtils]: Spent 14.76s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:18:02,545 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:18:58,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:20:18,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:20:20,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:20:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 53 states and 102 transitions. [2024-11-25 03:20:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2024-11-25 03:20:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 03:20:20,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:20:20,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:31,952 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 03:20:31,959 INFO L158 Benchmark]: Toolchain (without parser) took 404969.16ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 73.4MB in the end (delta: 45.5MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-25 03:20:31,959 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:31,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.75ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:20:31,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.66ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:31,960 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.4MB in the end (delta: 761.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:31,961 INFO L158 Benchmark]: RCFGBuilder took 382.13ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 92.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:20:31,961 INFO L158 Benchmark]: CodeCheck took 404243.85ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 73.4MB in the end (delta: 18.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-25 03:20:31,964 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 0.40ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.75ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 107.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.66ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 106.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.4MB in the end (delta: 761.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.13ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 92.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 404243.85ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 73.4MB in the end (delta: 18.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:20:32,174 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-25 03:20:32,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/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_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/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_0de68a41-62ae-4143-8665-5407b6e2b3c1/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 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:20:35,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:20:35,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:20:35,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:20:35,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:20:35,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:20:35,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:20:35,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:20:35,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:20:35,240 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:20:35,240 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:20:35,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:20:35,241 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:20:35,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:20:35,243 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:20:35,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:20:35,243 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:20:35,243 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:35,243 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:20:35,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:20:35,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:20:35,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:20:35,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:20:35,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:20:35,245 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:20:35,245 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:35,245 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:20:35,245 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_0de68a41-62ae-4143-8665-5407b6e2b3c1/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 -> 240ff53ce4a5324965a3dcaa21fced56af515b108e64af6d36b0fd1ca1a710eb [2024-11-25 03:20:35,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:20:35,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:20:35,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:20:35,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:20:35,748 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:20:35,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-11-25 03:20:39,055 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/5fb463557/d5482211da8e48b98830236925ec1cb2/FLAGce76e2510 [2024-11-25 03:20:39,366 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:20:39,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-11-25 03:20:39,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/5fb463557/d5482211da8e48b98830236925ec1cb2/FLAGce76e2510 [2024-11-25 03:20:39,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/data/5fb463557/d5482211da8e48b98830236925ec1cb2 [2024-11-25 03:20:39,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:20:39,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:20:39,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:20:39,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:20:39,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:20:39,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:20:39" (1/1) ... [2024-11-25 03:20:39,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d23cfaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:39, skipping insertion in model container [2024-11-25 03:20:39,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:20:39" (1/1) ... [2024-11-25 03:20:39,690 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:20:39,927 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_0de68a41-62ae-4143-8665-5407b6e2b3c1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-11-25 03:20:39,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:20:39,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:20:39,978 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_0de68a41-62ae-4143-8665-5407b6e2b3c1/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c[537,550] [2024-11-25 03:20:39,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:20:40,004 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:20:40,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40 WrapperNode [2024-11-25 03:20:40,005 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:20:40,006 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:20:40,006 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:20:40,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:20:40,013 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,040 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2024-11-25 03:20:40,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:20:40,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:20:40,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:20:40,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:20:40,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,058 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:20:40,079 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:20:40,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:20:40,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:20:40,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:20:40,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:20:40,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:20:40,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:20:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:20:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:20:40,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:20:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:20:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:20:40,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:20:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:20:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:20:40,247 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:20:40,249 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:20:40,468 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-25 03:20:40,469 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:20:40,549 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:20:40,549 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:20:40,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:20:40 BoogieIcfgContainer [2024-11-25 03:20:40,550 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:20:40,551 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:20:40,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:20:40,563 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:20:40,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:20:40" (1/1) ... [2024-11-25 03:20:40,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:20:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:40,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-25 03:20:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 03:20:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:20:40,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:40,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:40,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:20:40,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:20:40,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:20:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:40,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:20:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:40,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:20:40,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:40,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:20:40,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:40,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 03:20:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 03:20:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:20:40,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:40,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:40,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:20:40,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:20:40,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:20:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:41,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:20:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:41,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 03:20:41,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:20:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:20:41,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:20:41,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:20:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 03:20:41,628 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 03:20:41,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:20:41,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:20:41,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:20:41,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:20:41,633 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:20:41,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:20:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:20:41,821 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:20:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:20:52,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-25 03:20:52,013 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 03:20:52,017 INFO L158 Benchmark]: Toolchain (without parser) took 12364.98ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 89.5MB in the end (delta: 4.4MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-25 03:20:52,017 INFO L158 Benchmark]: CDTParser took 3.67ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:52,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.93ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:20:52,018 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.42ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:52,019 INFO L158 Benchmark]: Boogie Preprocessor took 36.57ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 726.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:20:52,019 INFO L158 Benchmark]: RCFGBuilder took 471.28ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 65.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:20:52,020 INFO L158 Benchmark]: CodeCheck took 11465.15ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 89.5MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:20:52,022 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 3.67ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 350.93ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.42ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.57ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 726.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 471.28ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 65.9MB in the end (delta: 14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11465.15ms. Allocated memory is still 117.4MB. Free memory was 65.9MB in the beginning and 89.5MB in the end (delta: -23.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 03:20:52,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0de68a41-62ae-4143-8665-5407b6e2b3c1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown