./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL --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 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:01,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:01,599 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:54:01,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:54:01,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:54:01,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:01,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:01,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:01,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:01,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:01,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:01,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:01,669 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:01,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:54:01,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:01,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:01,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:01,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:01,673 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:01,673 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:01,674 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:01,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:01,675 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:01,675 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:01,676 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:01,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:01,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:01,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:01,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:01,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:01,680 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:54:01,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:54:01,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:01,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 [2023-11-19 02:54:02,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:02,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:02,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:02,043 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:02,043 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:02,045 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2023-11-19 02:54:05,097 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:05,317 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:05,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2023-11-19 02:54:05,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data/e72eb9d2a/d378956c1bcb4283b6b794e761ad86b2/FLAG9cbe4471b [2023-11-19 02:54:05,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data/e72eb9d2a/d378956c1bcb4283b6b794e761ad86b2 [2023-11-19 02:54:05,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:05,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:05,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:05,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:05,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:05,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7bb0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05, skipping insertion in model container [2023-11-19 02:54:05,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,384 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:05,531 WARN L240 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_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2023-11-19 02:54:05,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:05,553 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:05,566 WARN L240 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_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2023-11-19 02:54:05,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:05,584 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:05,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05 WrapperNode [2023-11-19 02:54:05,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:05,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:05,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:05,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:05,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,618 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2023-11-19 02:54:05,619 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:05,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:05,620 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:05,620 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:05,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:05,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:05,642 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:05,642 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:05,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:05" (1/1) ... [2023-11-19 02:54:05,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:05,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:05,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:05,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:05,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:05,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:05,827 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:05,829 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:05,967 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:06,005 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:06,006 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:54:06,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:06 BoogieIcfgContainer [2023-11-19 02:54:06,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:06,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:06,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:06,021 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:06,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:06" (1/1) ... [2023-11-19 02:54:06,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 02:54:06,085 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 02:54:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:54:06,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:06,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:06,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:54:06,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:06,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-19 02:54:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-19 02:54:06,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:54:06,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:06,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:54:06,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:06,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:06,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-19 02:54:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-19 02:54:06,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:54:06,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:06,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:07,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:54:07,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:07,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:07,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2023-11-19 02:54:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2023-11-19 02:54:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:54:07,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:07,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:07,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 02:54:07,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:54:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:07,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-19 02:54:07,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-19 02:54:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:54:07,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:07,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:07,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:54:07,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:54:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:08,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 02:54:08,342 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 02:54:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 02:54:08,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:08,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:08,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:54:08,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:54:08,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2023-11-19 02:54:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2023-11-19 02:54:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:54:08,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:08,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:08,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:54:08,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 02:54:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2023-11-19 02:54:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2023-11-19 02:54:09,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:54:09,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:09,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:09,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:54:09,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 11 proven. 73 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 02:54:10,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:10,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2023-11-19 02:54:10,361 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-11-19 02:54:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:54:10,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:10,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:10,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:54:10,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 02:54:11,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2023-11-19 02:54:11,404 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2023-11-19 02:54:11,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-19 02:54:11,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:11,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:11,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 02:54:11,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 16 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 02:54:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2023-11-19 02:54:12,475 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2023-11-19 02:54:12,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 02:54:12,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:12,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:12,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 02:54:12,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:13,371 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 41 proven. 127 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 02:54:14,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:14,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-19 02:54:14,514 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-19 02:54:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 02:54:14,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:14,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:14,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 02:54:14,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:15,159 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-19 02:54:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-19 02:54:16,015 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-19 02:54:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 02:54:16,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:16,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:16,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-19 02:54:16,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 74 proven. 189 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-19 02:54:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2023-11-19 02:54:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-11-19 02:54:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 02:54:18,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:18,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:54:28,184 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:488) 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) [2023-11-19 02:54:28,189 INFO L158 Benchmark]: Toolchain (without parser) took 22836.87ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 95.0MB in the beginning and 128.2MB in the end (delta: -33.3MB). Peak memory consumption was 83.6MB. Max. memory is 16.1GB. [2023-11-19 02:54:28,189 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:28,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.50ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 84.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:54:28,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.22ms. Allocated memory is still 134.2MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 970.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:28,191 INFO L158 Benchmark]: Boogie Preprocessor took 20.99ms. Allocated memory is still 134.2MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:28,192 INFO L158 Benchmark]: RCFGBuilder took 368.71ms. Allocated memory is still 134.2MB. Free memory was 81.8MB in the beginning and 99.0MB in the end (delta: -17.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:54:28,193 INFO L158 Benchmark]: CodeCheck took 22175.32ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 99.0MB in the beginning and 128.2MB in the end (delta: -29.3MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. [2023-11-19 02:54:28,201 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:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.50ms. Allocated memory is still 134.2MB. Free memory was 95.0MB in the beginning and 84.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.22ms. Allocated memory is still 134.2MB. Free memory was 83.9MB in the beginning and 82.9MB in the end (delta: 970.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.99ms. Allocated memory is still 134.2MB. Free memory was 82.9MB in the beginning and 81.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.71ms. Allocated memory is still 134.2MB. Free memory was 81.8MB in the beginning and 99.0MB in the end (delta: -17.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 22175.32ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 99.0MB in the beginning and 128.2MB in the end (delta: -29.3MB). Peak memory consumption was 90.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:54:28,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL --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 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:54:30,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:54:30,880 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:54:30,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:54:30,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:54:30,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:54:30,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:54:30,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:54:30,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:54:30,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:54:30,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:54:30,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:54:30,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:54:30,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:54:30,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:54:30,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:54:30,925 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:54:30,925 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:54:30,926 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:54:30,926 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:54:30,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:54:30,927 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:54:30,928 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:54:30,928 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:54:30,929 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:54:30,929 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:30,929 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:30,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:54:30,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:30,931 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:54:30,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:54:30,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:54:30,932 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:54:30,932 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:30,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:54:30,933 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:54:30,933 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:54:30,933 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 [2023-11-19 02:54:31,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:54:31,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:54:31,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:54:31,319 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:54:31,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:54:31,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2023-11-19 02:54:34,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:54:34,678 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:54:34,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2023-11-19 02:54:34,691 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data/824f63750/9da2835800de48baaaabd1dd6a2425b1/FLAG80e5c6680 [2023-11-19 02:54:34,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/data/824f63750/9da2835800de48baaaabd1dd6a2425b1 [2023-11-19 02:54:34,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:54:34,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:54:34,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:34,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:54:34,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:54:34,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e52e289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34, skipping insertion in model container [2023-11-19 02:54:34,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,751 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:54:34,883 WARN L240 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_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2023-11-19 02:54:34,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:34,912 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:34,924 WARN L240 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_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c[458,471] [2023-11-19 02:54:34,931 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:34,947 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:34,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34 WrapperNode [2023-11-19 02:54:34,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:34,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:34,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:34,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:34,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,982 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2023-11-19 02:54:34,983 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:34,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:34,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:34,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:34,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:34,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:35,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:35,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:35,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:35,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:35,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:35,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:35,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:35,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:35,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:34" (1/1) ... [2023-11-19 02:54:35,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:35,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:35,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:35,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:35,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:54:35,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:35,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:35,112 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:54:35,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:54:35,196 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:35,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:35,463 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:35,516 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:35,520 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:54:35,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:35 BoogieIcfgContainer [2023-11-19 02:54:35,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:35,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:35,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:35,549 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:35,549 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:35" (1/1) ... [2023-11-19 02:54:35,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2023-11-19 02:54:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2023-11-19 02:54:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:54:35,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:35,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:35,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:54:35,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:54:35,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:54:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:35,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:54:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:36,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:54:36,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:36,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:36,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:54:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:36,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2023-11-19 02:54:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2023-11-19 02:54:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:54:36,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:36,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:36,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:54:36,906 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:54:36,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:54:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:36,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:54:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:37,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 02:54:37,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:41,844 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:54:41,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 02:54:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2023-11-19 02:54:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2023-11-19 02:54:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:54:51,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:51,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:54:51,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:54:51,033 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:54:51,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 02:54:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:51,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:54:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:51,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:54:51,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:54:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:54:52,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edeb4f7-df16-4f1e-abe3-52096e2e06b3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0