./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b --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 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:23:10,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:23:10,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:23:10,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:23:10,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:23:10,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:23:10,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:23:10,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:23:10,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:23:10,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:23:10,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:23:10,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:23:10,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:23:10,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:23:10,742 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:23:10,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:23:10,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:23:10,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:10,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:23:10,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:23:10,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:23:10,743 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:23:10,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:23:10,743 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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b 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 -> 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef [2024-12-06 05:23:10,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:23:10,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:23:10,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:23:10,979 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:23:10,980 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:23:10,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-12-06 05:23:13,634 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/e0e66c273/dcd19d15d00d4bc1bfa01acb61c9a9f3/FLAG74674b4a8 [2024-12-06 05:23:13,832 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:23:13,833 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-12-06 05:23:13,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/e0e66c273/dcd19d15d00d4bc1bfa01acb61c9a9f3/FLAG74674b4a8 [2024-12-06 05:23:13,854 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/e0e66c273/dcd19d15d00d4bc1bfa01acb61c9a9f3 [2024-12-06 05:23:13,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:23:13,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:23:13,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:13,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:23:13,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:23:13,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:13" (1/1) ... [2024-12-06 05:23:13,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3093d08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:13, skipping insertion in model container [2024-12-06 05:23:13,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:13" (1/1) ... [2024-12-06 05:23:13,876 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:23:13,996 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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-12-06 05:23:14,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:14,024 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:23:14,033 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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-12-06 05:23:14,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:14,054 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:23:14,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14 WrapperNode [2024-12-06 05:23:14,055 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:14,056 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:14,056 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:23:14,056 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:23:14,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,066 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,082 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 05:23:14,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:14,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:23:14,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:23:14,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:23:14,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,094 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:23:14,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:23:14,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:23:14,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:23:14,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:14,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:23:14,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:23:14,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:23:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:23:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:23:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:23:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:23:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:23:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:23:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:23:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:23:14,207 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:23:14,208 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:23:14,363 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 05:23:14,363 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:23:14,383 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:23:14,384 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 05:23:14,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:14 BoogieIcfgContainer [2024-12-06 05:23:14,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:23:14,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:23:14,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:23:14,394 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:23:14,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:14" (1/1) ... [2024-12-06 05:23:14,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:23:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:14,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 05:23:14,455 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 05:23:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:23:14,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:14,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:23:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:23:14,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 05:23:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 05:23:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:23:14,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:23:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:23:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 47 transitions. [2024-12-06 05:23:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 05:23:14,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:23:14,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:14,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:23:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:23:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:14,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:23:14,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:23:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 61 transitions. [2024-12-06 05:23:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-12-06 05:23:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 05:23:15,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:15,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:23:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:23:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:23:25,402 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) [2024-12-06 05:23:25,405 INFO L158 Benchmark]: Toolchain (without parser) took 11547.59ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 62.8MB in the end (delta: 30.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:25,405 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:25,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.38ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:25,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.43ms. 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. [2024-12-06 05:23:25,406 INFO L158 Benchmark]: Boogie Preprocessor took 18.83ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 766.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:25,407 INFO L158 Benchmark]: RCFGBuilder took 281.01ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 66.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:25,407 INFO L158 Benchmark]: CodeCheck took 11019.79ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 62.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-12-06 05:23:25,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.38ms. Allocated memory is still 117.4MB. Free memory was 93.3MB in the beginning and 81.8MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.43ms. 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 18.83ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 766.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 281.01ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 66.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11019.79ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 62.8MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:23:25,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b --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 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:23:27,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:23:27,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:23:27,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:23:27,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:23:27,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:23:27,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:23:27,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:23:27,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:23:27,536 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:23:27,537 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:23:27,537 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:27,538 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:23:27,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:23:27,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:27,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:23:27,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:23:27,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:23:27,538 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:23:27,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:27,538 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:23:27,538 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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b 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 -> 89c26eeb2471ea361dc7d29b089a771d019574a0d594170c0c8f43bdd67825ef [2024-12-06 05:23:27,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:23:27,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:23:27,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:23:27,791 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:23:27,791 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:23:27,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-12-06 05:23:30,504 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/caad06005/57fa6945bfef4c5dae90bbf167b4021c/FLAGd9f80392a [2024-12-06 05:23:30,666 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:23:30,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-12-06 05:23:30,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/caad06005/57fa6945bfef4c5dae90bbf167b4021c/FLAGd9f80392a [2024-12-06 05:23:30,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/data/caad06005/57fa6945bfef4c5dae90bbf167b4021c [2024-12-06 05:23:30,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:23:30,693 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:23:30,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:30,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:23:30,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:23:30,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7323bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30, skipping insertion in model container [2024-12-06 05:23:30,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:23:30,867 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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-12-06 05:23:30,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:30,902 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:23:30,915 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_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-12-06 05:23:30,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:23:30,940 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:23:30,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30 WrapperNode [2024-12-06 05:23:30,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:23:30,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:30,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:23:30,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:23:30,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,974 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-12-06 05:23:30,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:23:30,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:23:30,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:23:30,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:23:30,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:30,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:31,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:23:31,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:23:31,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:23:31,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:23:31,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:23:30" (1/1) ... [2024-12-06 05:23:31,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:23:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:23:31,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:23:31,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:23:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:23:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:23:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 05:23:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 05:23:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:23:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:23:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:23:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:23:31,112 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:23:31,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:23:31,265 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-12-06 05:23:31,265 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:23:31,297 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:23:31,297 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 05:23:31,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:31 BoogieIcfgContainer [2024-12-06 05:23:31,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:23:31,298 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:23:31,298 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:23:31,307 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:23:31,307 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:23:31" (1/1) ... [2024-12-06 05:23:31,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:23:31,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:31,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 05:23:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 05:23:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:23:31,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:31,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:31,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:31,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:31,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:23:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:31,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:31,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:23:31,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:31,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:23:31,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:23:31,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:31,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 05:23:31,550 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 05:23:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:23:31,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:31,553 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:31,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:23:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:31,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:31,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:31,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:23:31,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:23:31,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:23:31,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:23:31,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:23:31,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-12-06 05:23:31,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 05:23:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 05:23:31,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:23:31,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:23:31,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:23:31,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:23:31,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:23:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:23:32,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:23:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:23:42,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:23:42,315 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 05:23:42,319 INFO L158 Benchmark]: Toolchain (without parser) took 11625.81ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 42.5MB in the end (delta: 27.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-06 05:23:42,319 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:42,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.36ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:42,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.26ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:23:42,321 INFO L158 Benchmark]: Boogie Preprocessor took 25.67ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.8MB in the end (delta: 909.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:42,321 INFO L158 Benchmark]: RCFGBuilder took 296.04ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 42.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:42,321 INFO L158 Benchmark]: CodeCheck took 11019.86ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 42.5MB in the end (delta: -614.2kB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-12-06 05:23:42,324 INFO L338 ainManager$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 0.28ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.36ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 58.0MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.26ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 56.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.67ms. Allocated memory is still 92.3MB. Free memory was 56.7MB in the beginning and 55.8MB in the end (delta: 909.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 296.04ms. Allocated memory is still 92.3MB. Free memory was 55.7MB in the beginning and 42.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11019.86ms. Allocated memory is still 92.3MB. Free memory was 41.9MB in the beginning and 42.5MB in the end (delta: -614.2kB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 05:23:42,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5249ff01-70eb-42b2-be3a-9304ad8cfcb0/bin/ukojak-verify-CZk0znPC7b/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