./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/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_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/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_09304b83-2091-45d2-8bd3-482cdfff4f38/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 49f2ec108c5a903d6fb66450b34a24ed5e1ae616285117448a3e267ae2f349bb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:57,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:57,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:19:57,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:57,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:57,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:57,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:57,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:57,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:57,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:57,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:57,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:57,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:57,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:57,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:57,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:57,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:57,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:57,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:57,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:57,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:57,647 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:57,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:57,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:57,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:57,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:57,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:57,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:57,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:57,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:57,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:57,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:57,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:57,676 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_09304b83-2091-45d2-8bd3-482cdfff4f38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49f2ec108c5a903d6fb66450b34a24ed5e1ae616285117448a3e267ae2f349bb [2023-11-19 03:19:57,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:58,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:58,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:58,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:58,033 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:58,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2023-11-19 03:20:01,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:01,240 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:01,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c [2023-11-19 03:20:01,248 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/data/1cd5e500e/f6efc2ea0c54496bb787d2bbb5283d90/FLAGc3c226e47 [2023-11-19 03:20:01,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/data/1cd5e500e/f6efc2ea0c54496bb787d2bbb5283d90 [2023-11-19 03:20:01,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:01,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:01,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:01,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:01,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:01,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6e819a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01, skipping insertion in model container [2023-11-19 03:20:01,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:01,520 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_09304b83-2091-45d2-8bd3-482cdfff4f38/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c[525,538] [2023-11-19 03:20:01,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:01,552 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:01,567 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_09304b83-2091-45d2-8bd3-482cdfff4f38/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound2.c[525,538] [2023-11-19 03:20:01,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:01,600 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:01,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01 WrapperNode [2023-11-19 03:20:01,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:01,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:01,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:01,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:01,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,644 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2023-11-19 03:20:01,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:01,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:01,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:01,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:01,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,678 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,681 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,682 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,683 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:01,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:01,686 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:01,686 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:01,687 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:01,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:01,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:01,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:20:01,766 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:20:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:01,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:20:01,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:20:01,834 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:01,836 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:02,067 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:02,093 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:02,093 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:20:02,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:02 BoogieIcfgContainer [2023-11-19 03:20:02,098 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:02,099 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:02,099 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:02,110 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:02,110 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:02" (1/1) ... [2023-11-19 03:20:02,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:20:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 03:20:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 03:20:02,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:20:02,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:02,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:20:02,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:02,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:02,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 03:20:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 03:20:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:20:02,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:02,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:20:02,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:02,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:20:03,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2023-11-19 03:20:03,170 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2023-11-19 03:20:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:20:03,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:03,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:03,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:20:03,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:03,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:20:04,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:04,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 46 transitions. [2023-11-19 03:20:04,017 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2023-11-19 03:20:04,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:20:04,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:04,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:20:04,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:20:04,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:20:04,225 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 03:20:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:05,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 20 states and 23 transitions. [2023-11-19 03:20:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-11-19 03:20:05,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:20:05,326 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 03:20:05,336 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 03:20:05,466 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:20:05,470 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:20:05,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:20:05 ImpRootNode [2023-11-19 03:20:05,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:20:05,473 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:20:05,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:20:05,474 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:20:05,474 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:02" (3/4) ... [2023-11-19 03:20:05,483 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:20:05,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-19 03:20:05,487 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 03:20:05,493 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 03:20:05,493 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:20:05,493 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:20:05,494 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:20:05,608 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:20:05,611 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:20:05,611 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:20:05,612 INFO L158 Benchmark]: Toolchain (without parser) took 4329.84ms. Allocated memory is still 190.8MB. Free memory was 161.8MB in the beginning and 157.7MB in the end (delta: 4.1MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2023-11-19 03:20:05,612 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 106.4MB in the beginning and 106.3MB in the end (delta: 76.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:05,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.35ms. Allocated memory is still 190.8MB. Free memory was 161.6MB in the beginning and 155.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-19 03:20:05,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.67ms. Allocated memory is still 190.8MB. Free memory was 155.0MB in the beginning and 153.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:05,618 INFO L158 Benchmark]: Boogie Preprocessor took 40.01ms. Allocated memory is still 190.8MB. Free memory was 153.7MB in the beginning and 151.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:05,619 INFO L158 Benchmark]: RCFGBuilder took 412.48ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 154.9MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:20:05,619 INFO L158 Benchmark]: CodeCheck took 3372.74ms. Allocated memory is still 190.8MB. Free memory was 154.9MB in the beginning and 71.1MB in the end (delta: 83.8MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2023-11-19 03:20:05,620 INFO L158 Benchmark]: Witness Printer took 137.79ms. Allocated memory is still 190.8MB. Free memory was 71.1MB in the beginning and 157.7MB in the end (delta: -86.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-11-19 03:20:05,622 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 265 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 72 mSDtfsCounter, 265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 699 GetRequests, 639 SyntacticMatches, 4 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 891 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 7 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 24/29 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory was 106.4MB in the beginning and 106.3MB in the end (delta: 76.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.35ms. Allocated memory is still 190.8MB. Free memory was 161.6MB in the beginning and 155.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.67ms. Allocated memory is still 190.8MB. Free memory was 155.0MB in the beginning and 153.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.01ms. Allocated memory is still 190.8MB. Free memory was 153.7MB in the beginning and 151.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.48ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 154.9MB in the end (delta: -3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3372.74ms. Allocated memory is still 190.8MB. Free memory was 154.9MB in the beginning and 71.1MB in the end (delta: 83.8MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. * Witness Printer took 137.79ms. Allocated memory is still 190.8MB. Free memory was 71.1MB in the beginning and 157.7MB in the end (delta: -86.6MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:20:05,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09304b83-2091-45d2-8bd3-482cdfff4f38/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE