./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 23:14:48,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:14:48,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:14:48,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:14:48,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:14:48,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:14:48,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:14:48,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:14:48,758 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:14:48,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:14:48,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:14:48,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:14:48,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:14:48,758 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:14:48,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:14:48,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:14:48,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:14:48,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:14:48,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:14:48,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:14:48,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:48,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:14:48,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:14:48,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:14:48,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:14:48,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:14:48,763 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_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 23:14:49,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:14:49,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:14:49,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:14:49,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:14:49,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:14:49,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c Unable to find full path for "g++" [2024-11-13 23:14:52,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:14:52,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:14:52,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-11-13 23:14:52,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data/92fbb29c9/fb0a18d0d38c460cb89c4f3ef42c3daf/FLAGefcb6cb06 [2024-11-13 23:14:52,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data/92fbb29c9/fb0a18d0d38c460cb89c4f3ef42c3daf [2024-11-13 23:14:52,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:14:52,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:14:52,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:52,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:14:52,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:14:52,681 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:52" (1/1) ... [2024-11-13 23:14:52,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686b7088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:52, skipping insertion in model container [2024-11-13 23:14:52,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:52" (1/1) ... [2024-11-13 23:14:52,707 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:14:52,943 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_f4084ca1-be75-45da-b8d4-84d79a0e148b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-13 23:14:52,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:52,985 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:14:52,999 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_f4084ca1-be75-45da-b8d4-84d79a0e148b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-13 23:14:53,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:53,030 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:14:53,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53 WrapperNode [2024-11-13 23:14:53,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:53,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:53,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:14:53,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:14:53,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,078 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 23:14:53,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:53,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:14:53,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:14:53,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:14:53,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,100 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,107 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:14:53,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:14:53,113 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:14:53,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:14:53,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:14:53,172 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:14:53,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:14:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:14:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:14:53,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:14:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:14:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:14:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:14:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:14:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:14:53,320 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:14:53,324 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:14:53,658 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 23:14:53,659 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:14:53,727 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:14:53,728 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:14:53,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:53 BoogieIcfgContainer [2024-11-13 23:14:53,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:14:53,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:14:53,729 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:14:53,751 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:14:53,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:14:53" (1/1) ... [2024-11-13 23:14:53,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:14:53,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 23:14:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 23:14:53,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:14:53,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:53,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:14:54,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:54,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 23:14:54,180 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 23:14:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:14:54,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:54,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:14:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:54,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 23:14:54,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 23:14:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-11-13 23:14:55,088 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 23:14:55,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:14:55,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:55,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:14:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:55,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:14:55,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:14:55,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:55,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2024-11-13 23:14:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-13 23:14:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:14:55,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:55,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:56,359 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:14:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:57,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 72 transitions. [2024-11-13 23:14:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-13 23:14:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:14:57,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:57,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:14:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:14:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 76 transitions. [2024-11-13 23:14:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2024-11-13 23:14:58,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:14:58,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:14:58,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:14:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:15:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:15:08,263 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:15:08,269 INFO L158 Benchmark]: Toolchain (without parser) took 15598.55ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 65.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-11-13 23:15:08,270 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:08,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.94ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 73.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:08,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.52ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 877.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:08,271 INFO L158 Benchmark]: Boogie Preprocessor took 31.91ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 71.0MB in the end (delta: 702.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:08,272 INFO L158 Benchmark]: RCFGBuilder took 616.20ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 58.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:08,273 INFO L158 Benchmark]: CodeCheck took 14538.01ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 65.4MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:08,276 INFO L338 ainManager$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 0.72ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.94ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 73.0MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.52ms. Allocated memory is still 109.1MB. Free memory was 73.0MB in the beginning and 72.1MB in the end (delta: 877.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.91ms. Allocated memory is still 109.1MB. Free memory was 71.7MB in the beginning and 71.0MB in the end (delta: 702.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 616.20ms. Allocated memory is still 109.1MB. Free memory was 71.0MB in the beginning and 58.5MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14538.01ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 65.4MB in the end (delta: -6.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:15:08,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/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_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm --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-826ab2b [2024-11-13 23:15:11,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:11,934 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:15:12,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:12,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:12,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:12,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:12,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:12,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:12,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:12,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:15:12,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:15:12,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:12,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:12,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:12,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:12,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:15:12,023 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:15:12,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:12,023 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:15:12,023 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:15:12,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:12,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:12,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:12,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:12,024 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:12,024 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:12,024 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:15:12,024 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:12,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:12,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:12,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:12,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:12,025 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:15:12,025 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:12,025 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:15:12,029 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_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 23:15:12,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:12,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:12,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:12,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:12,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:12,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c Unable to find full path for "g++" [2024-11-13 23:15:15,370 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:15,704 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:15,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c [2024-11-13 23:15:15,731 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data/5f0881582/adf0069751894fc49b860ceaab71ea66/FLAGe708cf54a [2024-11-13 23:15:15,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/data/5f0881582/adf0069751894fc49b860ceaab71ea66 [2024-11-13 23:15:15,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:15,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:15,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:15,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:15,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:15,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:15" (1/1) ... [2024-11-13 23:15:15,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b36e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:15, skipping insertion in model container [2024-11-13 23:15:15,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:15" (1/1) ... [2024-11-13 23:15:15,830 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:15:16,099 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_f4084ca1-be75-45da-b8d4-84d79a0e148b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-13 23:15:16,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:16,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:15:16,210 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_f4084ca1-be75-45da-b8d4-84d79a0e148b/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound1.c[552,565] [2024-11-13 23:15:16,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:15:16,265 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:15:16,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16 WrapperNode [2024-11-13 23:15:16,266 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:16,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:16,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:15:16,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:15:16,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,336 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 23:15:16,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:15:16,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:15:16,340 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:15:16,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:15:16,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,388 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:15:16,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:15:16,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:15:16,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:15:16,398 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:16,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:15:16,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:15:16,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:15:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:15:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:15:16,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 23:15:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 23:15:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:15:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:15:16,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:15:16,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:15:16,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:15:16,597 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:16,886 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:16,886 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:16,936 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:16,937 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 23:15:16,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:16 BoogieIcfgContainer [2024-11-13 23:15:16,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:16,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:16,939 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:16,954 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:16,955 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:16" (1/1) ... [2024-11-13 23:15:16,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:17,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 23:15:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 23:15:17,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:15:17,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:17,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:17,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:15:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:17,185 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:17,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:15:17,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:15:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:15:17,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:15:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:17,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 23:15:17,400 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 23:15:17,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:15:17,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:17,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:17,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:17,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:17,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:15:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:15:17,612 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:15:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:15:27,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:15:27,828 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:15:27,833 INFO L158 Benchmark]: Toolchain (without parser) took 12052.38ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 53.7MB in the end (delta: 6.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,833 INFO L158 Benchmark]: CDTParser took 4.17ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:27,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.69ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 48.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.23ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 47.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:27,835 INFO L158 Benchmark]: Boogie Preprocessor took 54.57ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,835 INFO L158 Benchmark]: RCFGBuilder took 542.04ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 32.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:15:27,836 INFO L158 Benchmark]: CodeCheck took 10892.38ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 53.7MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:15:27,839 INFO L338 ainManager$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 4.17ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.69ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 48.6MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.23ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 47.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.57ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.9MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 542.04ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 32.3MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10892.38ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 53.7MB in the end (delta: -21.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:15:27,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4084ca1-be75-45da-b8d4-84d79a0e148b/bin/ukojak-verify-EEHR8qb7sm/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