./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk --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 d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:57:44,142 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:57:44,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:57:44,238 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:57:44,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:57:44,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:57:44,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:57:44,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:57:44,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:57:44,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:57:44,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:57:44,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:57:44,293 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:57:44,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:57:44,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:57:44,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:57:44,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:57:44,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:57:44,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:57:44,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:57:44,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:57:44,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:57:44,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:57:44,301 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:57:44,301 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:57:44,301 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:57:44,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:57:44,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:44,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:57:44,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:57:44,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:57:44,315 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:57:44,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:57:44,315 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_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed [2024-11-09 00:57:44,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:57:44,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:57:44,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:57:44,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:57:44,613 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:57:44,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c Unable to find full path for "g++" [2024-11-09 00:57:46,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:57:46,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:57:46,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c [2024-11-09 00:57:46,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data/160e77001/06417ea610a840c2949aa1bf2d6b1d9e/FLAG89ebf30b4 [2024-11-09 00:57:46,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data/160e77001/06417ea610a840c2949aa1bf2d6b1d9e [2024-11-09 00:57:46,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:57:46,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:57:46,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:46,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:57:46,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:57:46,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140f06d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:46, skipping insertion in model container [2024-11-09 00:57:46,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:57:46" (1/1) ... [2024-11-09 00:57:46,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:57:47,217 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-09 00:57:47,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:47,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:57:47,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-09 00:57:47,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:57:47,314 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:57:47,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47 WrapperNode [2024-11-09 00:57:47,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:57:47,316 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:47,316 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:57:47,316 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:57:47,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,350 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-09 00:57:47,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:57:47,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:57:47,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:57:47,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:57:47,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,367 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,367 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,384 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:57:47,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:57:47,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:57:47,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:57:47,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:57:47,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:57:47,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:57:47,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:57:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:57:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:57:47,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:57:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:57:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:57:47,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:57:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:57:47,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:57:47,531 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:57:47,534 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:57:47,731 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:57:47,731 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:57:47,775 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:57:47,775 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 00:57:47,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:47 BoogieIcfgContainer [2024-11-09 00:57:47,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:57:47,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:57:47,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:57:47,787 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:57:47,787 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:57:47" (1/1) ... [2024-11-09 00:57:47,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:57:47,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:47,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 00:57:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 00:57:47,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:57:47,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:47,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:57:48,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 00:57:48,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:57:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:57:48,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:57:48,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-09 00:57:48,656 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-09 00:57:48,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:57:48,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:57:48,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:57:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:57:58,804 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-09 00:57:58,808 INFO L158 Benchmark]: Toolchain (without parser) took 11854.72ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 93.8MB in the beginning and 146.7MB in the end (delta: -52.9MB). Peak memory consumption was 30.3kB. Max. memory is 16.1GB. [2024-11-09 00:57:58,809 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:58,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.00ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 80.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:57:58,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.54ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:58,811 INFO L158 Benchmark]: Boogie Preprocessor took 38.36ms. Allocated memory is still 132.1MB. Free memory was 79.1MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:57:58,812 INFO L158 Benchmark]: RCFGBuilder took 384.87ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 64.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:57:58,812 INFO L158 Benchmark]: CodeCheck took 11029.97ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 64.2MB in the beginning and 146.7MB in the end (delta: -82.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:57:58,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 99.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.00ms. Allocated memory is still 132.1MB. Free memory was 93.6MB in the beginning and 80.5MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.54ms. Allocated memory is still 132.1MB. Free memory was 80.5MB in the beginning and 79.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.36ms. Allocated memory is still 132.1MB. Free memory was 79.1MB in the beginning and 77.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.87ms. Allocated memory is still 132.1MB. Free memory was 77.9MB in the beginning and 64.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 11029.97ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 64.2MB in the beginning and 146.7MB in the end (delta: -82.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-09 00:57:58,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk --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 d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:58:01,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:58:01,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:58:01,409 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:58:01,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:58:01,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:58:01,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:58:01,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:58:01,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:58:01,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:58:01,416 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:58:01,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:58:01,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:58:01,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:58:01,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:58:01,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:58:01,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:58:01,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:58:01,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:58:01,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:58:01,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:58:01,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:58:01,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:58:01,425 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:58:01,426 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:58:01,426 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:58:01,426 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:01,426 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:58:01,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:58:01,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:58:01,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:58:01,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:58:01,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:58:01,428 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:58:01,428 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:01,428 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:58:01,429 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_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9f362f4d0f0336cfdd0e79a1ea9315dacff2e0b1a7a8f92f9aba0a2584524ed [2024-11-09 00:58:01,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:58:01,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:58:01,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:58:01,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:58:01,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:58:01,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c Unable to find full path for "g++" [2024-11-09 00:58:04,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:58:04,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:58:04,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c [2024-11-09 00:58:04,340 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data/57af948a1/4f9441bbe1c145f7812757a4edb5033c/FLAG2d05d79a0 [2024-11-09 00:58:04,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/data/57af948a1/4f9441bbe1c145f7812757a4edb5033c [2024-11-09 00:58:04,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:58:04,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:58:04,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:58:04,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:58:04,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:58:04,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54cd5e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04, skipping insertion in model container [2024-11-09 00:58:04,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:58:04,626 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-09 00:58:04,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:58:04,672 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:58:04,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound2.c[552,565] [2024-11-09 00:58:04,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:58:04,732 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:58:04,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04 WrapperNode [2024-11-09 00:58:04,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:58:04,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:58:04,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:58:04,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:58:04,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,779 INFO L138 Inliner]: procedures = 14, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2024-11-09 00:58:04,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:58:04,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:58:04,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:58:04,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:58:04,790 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:58:04,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:58:04,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:58:04,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:58:04,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:58:04" (1/1) ... [2024-11-09 00:58:04,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:58:04,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:58:04,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:58:04,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:58:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:58:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:58:04,875 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:58:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:58:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:58:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:58:04,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 00:58:04,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 00:58:05,000 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:58:05,002 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:58:05,222 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-09 00:58:05,222 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:58:05,265 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:58:05,266 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-09 00:58:05,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:58:05 BoogieIcfgContainer [2024-11-09 00:58:05,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:58:05,267 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:58:05,267 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:58:05,286 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:58:05,286 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:58:05" (1/1) ... [2024-11-09 00:58:05,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:58:05,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:05,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-09 00:58:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-09 00:58:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-09 00:58:05,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:05,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:05,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:05,356 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:05,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:58:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:05,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:05,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-09 00:58:05,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-09 00:58:06,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:07,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 53 transitions. [2024-11-09 00:58:07,105 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-09 00:58:07,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 00:58:07,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:07,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:07,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:07,110 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:07,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:58:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:07,306 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:07,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-09 00:58:07,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 00:58:07,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:58:08,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:08,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2024-11-09 00:58:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-09 00:58:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 00:58:08,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:08,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:08,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:08,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:08,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:58:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:08,992 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:09,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 00:58:09,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:10,755 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 00:58:10,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:58:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 73 transitions. [2024-11-09 00:58:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2024-11-09 00:58:13,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 00:58:13,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:13,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:13,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:13,052 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:13,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:58:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:13,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:13,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:58:13,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 00:58:13,314 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:58:13,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:58:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:14,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 75 transitions. [2024-11-09 00:58:14,174 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 75 transitions. [2024-11-09 00:58:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:58:14,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:14,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:14,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:14,179 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:14,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:58:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:14,272 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:14,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:58:14,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:16,983 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 00:58:16,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:58:29,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:58:29,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:29,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 80 transitions. [2024-11-09 00:58:29,893 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2024-11-09 00:58:29,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 00:58:29,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:29,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:29,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:29,897 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:29,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:58:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:30,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 00:58:30,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:30,992 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-09 00:58:30,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:43,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:58:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:58:47,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 86 transitions. [2024-11-09 00:58:47,662 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2024-11-09 00:58:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:58:47,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:58:47,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:58:47,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:58:47,671 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:58:47,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:58:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:47,725 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:58:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:58:47,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 00:58:47,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:58:48,780 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 00:58:48,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-09 00:58:58,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:09,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:22,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 90 transitions. [2024-11-09 00:59:23,144 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2024-11-09 00:59:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:59:23,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:23,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:23,149 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:23,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:59:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:23,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:23,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 00:59:23,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 00:59:24,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-09 00:59:38,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:48,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 00:59:49,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:59:49,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 101 transitions. [2024-11-09 00:59:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2024-11-09 00:59:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 00:59:49,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:59:49,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:59:49,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:59:49,413 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:59:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:59:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:49,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:59:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:59:49,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-09 00:59:49,759 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:59:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-09 00:59:50,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:04,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 62 states and 107 transitions. [2024-11-09 01:00:12,431 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 107 transitions. [2024-11-09 01:00:12,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 01:00:12,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:12,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:12,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:12,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:12,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 01:00:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:12,531 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:12,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 01:00:12,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:12,735 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-09 01:00:12,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 71 states and 123 transitions. [2024-11-09 01:00:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2024-11-09 01:00:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 01:00:22,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:22,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:22,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:22,727 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:22,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 01:00:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:22,794 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:22,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 01:00:22,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:23,845 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 01:00:23,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 01:00:45,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:00:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:00:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 74 states and 127 transitions. [2024-11-09 01:00:56,024 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2024-11-09 01:00:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 01:00:56,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:00:56,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:00:56,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:00:56,028 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:00:56,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 01:00:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:56,303 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:00:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:00:56,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 01:00:56,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:00:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 01:00:57,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 01:01:02,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:14,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:27,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 01:01:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 133 transitions. [2024-11-09 01:01:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 133 transitions. [2024-11-09 01:01:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 01:01:28,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:28,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:28,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:28,056 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:28,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 01:01:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:28,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:28,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 01:01:28,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 01:01:32,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-09 01:01:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:01:43,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 52 states and 77 transitions. [2024-11-09 01:01:43,327 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-11-09 01:01:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 01:01:43,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:01:43,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:01:43,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:01:43,331 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:01:43,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 01:01:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:43,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:01:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:01:43,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-09 01:01:43,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:01:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 14 proven. 25 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-09 01:01:45,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 01:02:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 52 states and 73 transitions. [2024-11-09 01:02:03,002 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2024-11-09 01:02:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 01:02:03,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:03,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:03,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:03,005 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 01:02:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:03,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:03,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:02:03,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 01:02:03,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 01:02:04,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:04,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 52 states and 72 transitions. [2024-11-09 01:02:04,498 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2024-11-09 01:02:04,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 01:02:04,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 01:02:04,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 01:02:04,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 01:02:04,504 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 01:02:04,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 01:02:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:04,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 01:02:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:02:04,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 01:02:04,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:02:04,650 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-09 01:02:04,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 01:02:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 01:02:05,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 45 states and 63 transitions. [2024-11-09 01:02:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-09 01:02:05,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:02:05,802 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2024-11-09 01:02:05,810 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 01:02:12,951 INFO L77 FloydHoareUtils]: At program point L40-2(lines 40 60) the Hoare annotation is: (or (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~x~0#1|) (let ((.cse1 (bvule |ULTIMATE.start_main_~b~0#1| (_ bv2 32))) (.cse3 (= |ULTIMATE.start_main_~v~0#1| (_ bv0 32))) (.cse4 (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~a~0#1|)) (.cse0 (= |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse5 (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse6 (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32)))) (and (not (let ((.cse2 (bvneg |ULTIMATE.start_main_~a~0#1|))) (and .cse0 .cse1 (= |ULTIMATE.start_main_~y~0#1| (bvadd |ULTIMATE.start_main_~b~0#1| .cse2)) .cse3 .cse4 (bvult |ULTIMATE.start_main_~a~0#1| (bvadd |ULTIMATE.start_main_~y~0#1| (bvmul (_ bv4294967295 32) .cse2)))))) (not (and .cse0 .cse1 .cse3 .cse5 .cse4 .cse6)) (not (and (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) .cse0 .cse5 (bvugt |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~v~0#1| |ULTIMATE.start_main_~u~0#1|) .cse6))))) [2024-11-09 01:02:12,951 INFO L77 FloydHoareUtils]: At program point L32(line 32) the Hoare annotation is: true [2024-11-09 01:02:12,951 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) [2024-11-09 01:02:12,951 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2024-11-09 01:02:12,952 INFO L77 FloydHoareUtils]: At program point L53-1(lines 53 59) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~a~0#1|) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) (= |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~b~0#1|) (= |ULTIMATE.start_main_~v~0#1| (_ bv0 32)) (not (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32))) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|) (bvuge |ULTIMATE.start_main_~a~0#1| (_ bv1 32)))) [2024-11-09 01:02:12,952 INFO L77 FloydHoareUtils]: At program point L53-2(lines 40 60) the Hoare annotation is: true [2024-11-09 01:02:12,952 INFO L77 FloydHoareUtils]: At program point L45-2(lines 45 51) the Hoare annotation is: true [2024-11-09 01:02:12,952 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-11-09 01:02:12,952 INFO L77 FloydHoareUtils]: At program point L41-1(lines 40 60) the Hoare annotation is: true [2024-11-09 01:02:12,952 INFO L77 FloydHoareUtils]: At program point L33(line 33) the Hoare annotation is: true [2024-11-09 01:02:12,953 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 01:02:12,953 INFO L77 FloydHoareUtils]: At program point L62(line 62) the Hoare annotation is: true [2024-11-09 01:02:12,953 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-11-09 01:02:12,953 INFO L77 FloydHoareUtils]: At program point L54(line 54) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~a~0#1|) (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) (= |ULTIMATE.start_main_~u~0#1| |ULTIMATE.start_main_~b~0#1|) (= |ULTIMATE.start_main_~v~0#1| (_ bv0 32)) (not (bvuge |ULTIMATE.start_main_~b~0#1| (_ bv1 32))) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|) (bvuge |ULTIMATE.start_main_~a~0#1| (_ bv1 32)))) [2024-11-09 01:02:12,953 INFO L77 FloydHoareUtils]: At program point L54-1(lines 53 59) the Hoare annotation is: true [2024-11-09 01:02:12,953 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-09 01:02:12,954 INFO L77 FloydHoareUtils]: At program point L46-1(lines 45 51) the Hoare annotation is: true [2024-11-09 01:02:12,954 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 01:02:12,955 INFO L77 FloydHoareUtils]: At program point L63(line 63) the Hoare annotation is: true [2024-11-09 01:02:12,955 INFO L77 FloydHoareUtils]: At program point L30(line 30) the Hoare annotation is: true [2024-11-09 01:02:12,955 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-09 01:02:12,955 INFO L77 FloydHoareUtils]: At program point L26-1(line 26) the Hoare annotation is: (bvule |ULTIMATE.start_main_~a~0#1| (_ bv2 32)) [2024-11-09 01:02:12,955 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2024-11-09 01:02:12,956 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 11 13) the Hoare annotation is: (not (= (_ bv0 32) |assume_abort_if_not_#in~cond|)) [2024-11-09 01:02:12,956 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-11-09 01:02:12,956 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (not (and (= (_ bv1 32) __VERIFIER_assert_~cond) (not (= __VERIFIER_assert_~cond |__VERIFIER_assert_#in~cond|)))) [2024-11-09 01:02:12,956 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: true [2024-11-09 01:02:12,956 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-11-09 01:02:12,957 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-11-09 01:02:12,957 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-11-09 01:02:12,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 01:02:12 ImpRootNode [2024-11-09 01:02:12,979 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 01:02:12,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:02:12,980 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:02:12,980 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:02:12,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:58:05" (3/4) ... [2024-11-09 01:02:12,983 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:02:12,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 01:02:12,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 01:02:12,990 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-09 01:02:12,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-09 01:02:12,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 01:02:12,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:02:12,991 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:02:13,070 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 01:02:13,071 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 01:02:13,071 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:02:13,072 INFO L158 Benchmark]: Toolchain (without parser) took 248702.07ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 52.7MB in the beginning and 69.1MB in the end (delta: -16.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-09 01:02:13,072 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:02:13,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.10ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 39.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:02:13,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.79ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 37.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:02:13,073 INFO L158 Benchmark]: Boogie Preprocessor took 26.67ms. Allocated memory is still 77.6MB. Free memory was 37.7MB in the beginning and 36.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:02:13,074 INFO L158 Benchmark]: RCFGBuilder took 459.16ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 45.4MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 01:02:13,074 INFO L158 Benchmark]: CodeCheck took 247712.05ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 45.4MB in the beginning and 73.3MB in the end (delta: -27.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-09 01:02:13,075 INFO L158 Benchmark]: Witness Printer took 91.22ms. Allocated memory is still 113.2MB. Free memory was 73.3MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:02:13,077 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 240.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 101 mSolverCounterUnknown, 1647 SdHoareTripleChecker+Valid, 1118.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 720 mSDsluCounter, 1223 SdHoareTripleChecker+Invalid, 1084.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 592 mSDsCounter, 1358 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3991 IncrementalHoareTripleChecker+Invalid, 5450 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1358 mSolverCounterUnsat, 631 mSDtfsCounter, 3991 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6322 GetRequests, 6106 SyntacticMatches, 96 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6576 ImplicationChecksByTransitivity, 92.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 17.9s InterpolantComputationTime, 760 NumberOfCodeBlocks, 760 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 744 ConstructedInterpolants, 0 QuantifiedInterpolants, 3344 SizeOfPredicates, 24 NumberOfNonLiveVariables, 1442 ConjunctsInSsa, 210 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 852/954 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: 53]: Loop Invariant Derived loop invariant: !(((((((x == a) && (a <= 2)) && (u == b)) && (v == 0)) && !(b >= 1)) && (y == b)) && (a >= 1)) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (0 != cond) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.10ms. Allocated memory is still 77.6MB. Free memory was 52.5MB in the beginning and 39.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.79ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 37.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.67ms. Allocated memory is still 77.6MB. Free memory was 37.7MB in the beginning and 36.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.16ms. Allocated memory is still 77.6MB. Free memory was 36.2MB in the beginning and 45.4MB in the end (delta: -9.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 247712.05ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 45.4MB in the beginning and 73.3MB in the end (delta: -27.9MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Witness Printer took 91.22ms. Allocated memory is still 113.2MB. Free memory was 73.3MB in the beginning and 69.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 01:02:13,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6568168-5c23-430b-b5d5-198dc84ffbd5/bin/ukojak-verify-ImItNfHLgk/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