./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/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_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/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_d74077a4-9a84-45fd-a8e3-575b13941749/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 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:01:18,465 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:01:18,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:01:18,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:01:18,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:01:18,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:01:18,539 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:01:18,540 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:01:18,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:01:18,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:01:18,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:01:18,540 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:01:18,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:01:18,542 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:01:18,542 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:01:18,542 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:01:18,542 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:01:18,542 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:01:18,542 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:01:18,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:18,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:01:18,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:01:18,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:01:18,543 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:01:18,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:01:18,543 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_d74077a4-9a84-45fd-a8e3-575b13941749/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 -> 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 [2024-12-06 02:01:18,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:01:18,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:01:18,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:01:18,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:01:18,764 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:01:18,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2024-12-06 02:01:21,348 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/0723f0f45/6125380e1a294110b119ae7ffdc0bd74/FLAG3433b8a31 [2024-12-06 02:01:21,560 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:01:21,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2024-12-06 02:01:21,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/0723f0f45/6125380e1a294110b119ae7ffdc0bd74/FLAG3433b8a31 [2024-12-06 02:01:21,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/0723f0f45/6125380e1a294110b119ae7ffdc0bd74 [2024-12-06 02:01:21,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:01:21,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:01:21,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:21,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:01:21,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:01:21,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:21" (1/1) ... [2024-12-06 02:01:21,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea6b0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:21, skipping insertion in model container [2024-12-06 02:01:21,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:01:21" (1/1) ... [2024-12-06 02:01:21,952 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:01:22,068 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_d74077a4-9a84-45fd-a8e3-575b13941749/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-12-06 02:01:22,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:22,088 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:01:22,096 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_d74077a4-9a84-45fd-a8e3-575b13941749/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-12-06 02:01:22,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:01:22,111 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:01:22,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22 WrapperNode [2024-12-06 02:01:22,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:01:22,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:22,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:01:22,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:01:22,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,133 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-12-06 02:01:22,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:01:22,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:01:22,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:01:22,134 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:01:22,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,139 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:01:22,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:01:22,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:01:22,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:01:22,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:01:22,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:01:22,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:01:22,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:01:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:01:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:01:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:01:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:01:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:01:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:01:22,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:01:22,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:01:22,250 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:01:22,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:01:22,362 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 02:01:22,362 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:01:22,388 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:01:22,388 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:01:22,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:22 BoogieIcfgContainer [2024-12-06 02:01:22,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:01:22,390 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:01:22,390 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:01:22,397 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:01:22,398 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:01:22" (1/1) ... [2024-12-06 02:01:22,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:01:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:22,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 02:01:22,446 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 02:01:22,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:01:22,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:22,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:01:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:22,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:01:22,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:01:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 02:01:22,745 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 02:01:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:01:22,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:22,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:23,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:01:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-06 02:01:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-06 02:01:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:01:23,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:23,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:01:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:23,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:01:23,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:01:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:31,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 33 transitions. [2024-12-06 02:01:31,060 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 02:01:31,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:01:31,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:31,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:01:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:31,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:01:31,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:31,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:01:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:36,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 38 transitions. [2024-12-06 02:01:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2024-12-06 02:01:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:01:36,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:36,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:01:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:36,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:01:36,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:36,987 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-06 02:01:48,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:01:51,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 42 transitions. [2024-12-06 02:01:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2024-12-06 02:01:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:01:51,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:51,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:01:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:51,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:01:51,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:01:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 02:02:03,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:03,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 46 transitions. [2024-12-06 02:02:03,491 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 02:02:03,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:02:03,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:03,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:02:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:02:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:03,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 02:02:03,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:03,830 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-06 02:02:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 50 transitions. [2024-12-06 02:02:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-06 02:02:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:02:10,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:10,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:02:10,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:02:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:10,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 02:02:11,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-12-06 02:02:50,992 WARN L286 SmtUtils]: Spent 12.26s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:02:57,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.91s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:02:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 54 transitions. [2024-12-06 02:02:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-12-06 02:02:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 02:02:57,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:57,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:02:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:02:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:57,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 02:02:57,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 14 proven. 50 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-06 02:03:23,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.43s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:03:31,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:03:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 58 transitions. [2024-12-06 02:03:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2024-12-06 02:03:31,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 02:03:31,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:31,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:03:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:03:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:31,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 02:03:31,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:03:31,917 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 16 proven. 65 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-06 02:04:05,786 WARN L286 SmtUtils]: Spent 32.16s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:04:32,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 62 transitions. [2024-12-06 02:04:32,662 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-12-06 02:04:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 02:04:32,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:32,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:04:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:04:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:32,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 02:04:32,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:33,624 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 18 proven. 82 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-12-06 02:05:24,076 WARN L286 SmtUtils]: Spent 41.52s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:05:34,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:05:48,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:05:58,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 02:05:58,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:58,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 66 transitions. [2024-12-06 02:05:58,879 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2024-12-06 02:05:58,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 02:05:58,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:58,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:06:08,976 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 02:06:08,980 INFO L158 Benchmark]: Toolchain (without parser) took 287044.92ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 60.6MB in the end (delta: 56.3MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-12-06 02:06:08,980 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:08,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.97ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:06:08,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.63ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:08,981 INFO L158 Benchmark]: Boogie Preprocessor took 15.33ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.7MB in the end (delta: 793.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:06:08,981 INFO L158 Benchmark]: RCFGBuilder took 239.73ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 92.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:06:08,981 INFO L158 Benchmark]: CodeCheck took 286589.54ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 60.6MB in the end (delta: 31.7MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-12-06 02:06:08,983 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 0.31ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.97ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 105.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.63ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.33ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.7MB in the end (delta: 793.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 239.73ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 92.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 286589.54ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 60.6MB in the end (delta: 31.7MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:06:09,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/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_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/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_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/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_d74077a4-9a84-45fd-a8e3-575b13941749/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 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:06:10,879 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:06:10,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:06:10,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:06:10,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:06:10,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:06:10,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:06:10,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:06:10,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:06:10,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:06:10,991 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:06:10,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:06:10,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:06:10,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:06:10,993 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:06:10,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:06:10,993 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:06:10,993 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:10,993 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:06:10,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:06:10,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:10,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:06:10,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:06:10,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:06:10,994 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:06:10,994 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:10,994 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:06:10,994 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_d74077a4-9a84-45fd-a8e3-575b13941749/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 -> 2c8fdf04e21dc87978be420c24093b18a0079e8ae701300012baeffbaef15472 [2024-12-06 02:06:11,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:06:11,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:06:11,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:06:11,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:06:11,228 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:06:11,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2024-12-06 02:06:13,836 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/b0aba381a/5da242984b5747c6893c3f2c9b454345/FLAGceae0f836 [2024-12-06 02:06:14,062 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:06:14,063 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c [2024-12-06 02:06:14,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/b0aba381a/5da242984b5747c6893c3f2c9b454345/FLAGceae0f836 [2024-12-06 02:06:14,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/data/b0aba381a/5da242984b5747c6893c3f2c9b454345 [2024-12-06 02:06:14,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:06:14,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:06:14,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:14,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:06:14,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:06:14,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d91a73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14, skipping insertion in model container [2024-12-06 02:06:14,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:06:14,560 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_d74077a4-9a84-45fd-a8e3-575b13941749/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-12-06 02:06:14,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:14,585 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:06:14,596 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_d74077a4-9a84-45fd-a8e3-575b13941749/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound100.c[525,538] [2024-12-06 02:06:14,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:06:14,615 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:06:14,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14 WrapperNode [2024-12-06 02:06:14,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:06:14,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:14,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:06:14,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:06:14,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,639 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-06 02:06:14,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:06:14,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:06:14,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:06:14,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:06:14,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,647 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:06:14,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:06:14,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:06:14,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:06:14,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:06:14" (1/1) ... [2024-12-06 02:06:14,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:06:14,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:06:14,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:06:14,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:06:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:06:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:06:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:06:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:06:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:06:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:06:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:06:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:06:14,754 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:06:14,755 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:06:14,982 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 02:06:14,983 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:06:15,013 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:06:15,013 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:06:15,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:15 BoogieIcfgContainer [2024-12-06 02:06:15,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:06:15,014 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:06:15,014 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:06:15,022 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:06:15,022 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:06:15" (1/1) ... [2024-12-06 02:06:15,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:06:15,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-06 02:06:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-06 02:06:15,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:06:15,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:15,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:15,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:15,079 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:15,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:06:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:15,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:15,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:06:15,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:06:15,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:06:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 27 transitions. [2024-12-06 02:06:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 02:06:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:06:16,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:16,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:16,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:16,282 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:16,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:06:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:16,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:16,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:06:16,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:06:19,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:06:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:25,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2024-12-06 02:06:25,047 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 02:06:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:06:25,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:25,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:25,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:25,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:25,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:06:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:25,334 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:25,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:06:25,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:06:26,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:06:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 39 transitions. [2024-12-06 02:06:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2024-12-06 02:06:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:06:35,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:35,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:35,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:35,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:35,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:06:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:36,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:36,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 02:06:36,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:39,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:06:39,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:07:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 46 transitions. [2024-12-06 02:07:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-12-06 02:07:01,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:07:01,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:01,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:01,577 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:01,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:07:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:02,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:03,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 02:07:03,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 02:07:13,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:08:18,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:18,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 52 transitions. [2024-12-06 02:08:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-06 02:08:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 02:08:18,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:18,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:18,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:18,039 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:18,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:08:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:18,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:22,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:08:22,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-12-06 02:08:42,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-12-06 02:10:59,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:11:03,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:11:06,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:11:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:11:08,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 58 transitions. [2024-12-06 02:11:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2024-12-06 02:11:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 02:11:08,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:11:08,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:11:08,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:11:08,903 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:11:08,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:11:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:09,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:11:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:15,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 02:11:15,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:11:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-12-06 02:11:52,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-12-06 02:12:26,559 WARN L286 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:12:59,999 WARN L286 SmtUtils]: Spent 11.34s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:15:40,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:15:43,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:15:46,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:15:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 64 transitions. [2024-12-06 02:15:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2024-12-06 02:15:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 02:15:46,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:46,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:46,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:46,820 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:46,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d74077a4-9a84-45fd-a8e3-575b13941749/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:15:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:47,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:53,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 02:15:53,653 INFO L279 TraceCheckSpWp]: Computing forward predicates...