./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.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_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/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_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/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_7c05f703-daa6-4978-a307-82f5c3392937/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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:59,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:59,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:00:59,651 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:59,652 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:59,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:59,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:59,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:59,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:59,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:59,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:59,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:59,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:00:59,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:59,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:00:59,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:59,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:59,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:59,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:59,699 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:00:59,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:59,700 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:59,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:59,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:59,701 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:59,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:59,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:59,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:59,703 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:59,703 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:59,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:59,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:59,705 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:59,706 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_7c05f703-daa6-4978-a307-82f5c3392937/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2023-11-19 04:01:00,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:00,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:00,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:00,087 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:00,088 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:00,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-19 04:01:03,188 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:03,502 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:03,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-19 04:01:03,510 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data/8e87259d1/0323beb2ca554ace85b7cd8eafff27b7/FLAG0db9697c6 [2023-11-19 04:01:03,523 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data/8e87259d1/0323beb2ca554ace85b7cd8eafff27b7 [2023-11-19 04:01:03,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:03,527 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:03,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:03,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:03,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:03,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d04465f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03, skipping insertion in model container [2023-11-19 04:01:03,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:03,706 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_7c05f703-daa6-4978-a307-82f5c3392937/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2023-11-19 04:01:03,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:03,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:03,749 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_7c05f703-daa6-4978-a307-82f5c3392937/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2023-11-19 04:01:03,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:03,771 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:03,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03 WrapperNode [2023-11-19 04:01:03,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:03,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:03,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:03,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:03,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,807 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-19 04:01:03,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:03,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:03,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:03,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:03,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,833 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,834 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:03,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:03,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:03,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:03,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:03" (1/1) ... [2023-11-19 04:01:03,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:03,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:03,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:03,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:03,912 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:01:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:01:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:03,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:03,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:03,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:01:03,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:01:03,985 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:03,988 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:04,227 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:04,267 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:04,273 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:01:04,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:04 BoogieIcfgContainer [2023-11-19 04:01:04,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:04,280 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:04,280 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:04,291 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:04,291 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:04" (1/1) ... [2023-11-19 04:01:04,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 04:01:04,404 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 04:01:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:04,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:04,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:04,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 04:01:04,703 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 04:01:04,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:04,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:04,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:04,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:01:04,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:05,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2023-11-19 04:01:05,077 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2023-11-19 04:01:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:05,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:05,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:01:05,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:05,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:05,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2023-11-19 04:01:05,557 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2023-11-19 04:01:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:05,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:05,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:01:15,796 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 04:01:15,799 INFO L158 Benchmark]: Toolchain (without parser) took 12271.18ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 130.6MB in the end (delta: 19.0MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-11-19 04:01:15,800 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:15,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.54ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 138.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:01:15,801 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.97ms. Allocated memory is still 182.5MB. Free memory was 138.1MB in the beginning and 136.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:15,802 INFO L158 Benchmark]: Boogie Preprocessor took 23.15ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 135.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:15,802 INFO L158 Benchmark]: RCFGBuilder took 442.69ms. Allocated memory is still 182.5MB. Free memory was 135.5MB in the beginning and 122.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:01:15,803 INFO L158 Benchmark]: CodeCheck took 11517.82ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 130.6MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:15,806 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 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.54ms. Allocated memory is still 182.5MB. Free memory was 149.6MB in the beginning and 138.5MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.97ms. Allocated memory is still 182.5MB. Free memory was 138.1MB in the beginning and 136.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.15ms. Allocated memory is still 182.5MB. Free memory was 136.5MB in the beginning and 135.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.69ms. Allocated memory is still 182.5MB. Free memory was 135.5MB in the beginning and 122.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11517.82ms. Allocated memory is still 182.5MB. Free memory was 122.4MB in the beginning and 130.6MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:01:15,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/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_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/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_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/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_7c05f703-daa6-4978-a307-82f5c3392937/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 befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:18,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:18,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:01:18,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:18,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:18,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:18,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:18,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:18,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:18,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:18,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:18,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:18,762 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:18,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:18,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:18,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:18,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:01:18,766 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:01:18,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:01:18,767 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:18,768 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:18,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:18,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:18,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:18,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:18,772 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:18,772 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:18,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:18,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:18,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:18,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:18,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:18,777 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:01:18,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:18,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:18,779 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:01:18,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:18,780 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_7c05f703-daa6-4978-a307-82f5c3392937/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> befa5004268d4c15cae2c05402ac6cc0f86cef85e498084909e66f7e8cc4b8f3 [2023-11-19 04:01:19,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:19,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:19,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:19,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:19,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:19,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-19 04:01:22,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:22,817 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:22,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c [2023-11-19 04:01:22,831 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data/291e3eaf1/c95cc0bacf4348ffa84c25ed275aa88c/FLAG5d20505db [2023-11-19 04:01:22,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/data/291e3eaf1/c95cc0bacf4348ffa84c25ed275aa88c [2023-11-19 04:01:22,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:22,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:22,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:22,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:22,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:22,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:22,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e7fc36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:22, skipping insertion in model container [2023-11-19 04:01:22,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:22" (1/1) ... [2023-11-19 04:01:22,879 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:23,018 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_7c05f703-daa6-4978-a307-82f5c3392937/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2023-11-19 04:01:23,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:23,049 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:23,063 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_7c05f703-daa6-4978-a307-82f5c3392937/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound5.c[552,565] [2023-11-19 04:01:23,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:23,086 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:23,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23 WrapperNode [2023-11-19 04:01:23,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:23,088 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:23,088 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:23,088 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:23,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,101 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,121 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-19 04:01:23,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:23,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:23,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:23,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:23,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,160 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:23,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:23,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:23,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:23,170 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:23,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:23,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:23,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:01:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:01:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:01:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:01:23,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:01:23,314 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:23,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:23,513 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:23,548 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:23,549 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 04:01:23,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:23 BoogieIcfgContainer [2023-11-19 04:01:23,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:23,554 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:23,554 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:23,563 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:23,564 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:23" (1/1) ... [2023-11-19 04:01:23,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2023-11-19 04:01:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2023-11-19 04:01:23,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:23,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:23,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:01:23,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:01:23,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:01:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:01:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:23,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:01:23,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:01:23,924 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:01:23,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 04:01:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-19 04:01:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-19 04:01:23,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:23,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:23,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:23,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:01:23,980 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:01:24,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:01:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:24,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:01:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 04:01:34,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:01:34,353 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 04:01:34,357 INFO L158 Benchmark]: Toolchain (without parser) took 11508.84ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 46.6MB in the beginning and 75.2MB in the end (delta: -28.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-19 04:01:34,358 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:34,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.12ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 35.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:01:34,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.86ms. Allocated memory is still 75.5MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:34,360 INFO L158 Benchmark]: Boogie Preprocessor took 42.72ms. Allocated memory is still 75.5MB. Free memory was 33.3MB in the beginning and 54.1MB in the end (delta: -20.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-19 04:01:34,361 INFO L158 Benchmark]: RCFGBuilder took 384.27ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 40.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:01:34,362 INFO L158 Benchmark]: CodeCheck took 10801.80ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 40.0MB in the beginning and 75.2MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:34,365 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 0.30ms. Allocated memory is still 75.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.12ms. Allocated memory is still 75.5MB. Free memory was 46.2MB in the beginning and 35.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.86ms. Allocated memory is still 75.5MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.72ms. Allocated memory is still 75.5MB. Free memory was 33.3MB in the beginning and 54.1MB in the end (delta: -20.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 384.27ms. Allocated memory is still 75.5MB. Free memory was 54.1MB in the beginning and 40.0MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10801.80ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 40.0MB in the beginning and 75.2MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 04:01:34,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c05f703-daa6-4978-a307-82f5c3392937/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown