./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.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_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/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_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/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_a67e84c2-7c70-4d11-a7d6-f02229687c62/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 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:39:26,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:39:26,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:39:26,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:39:26,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:39:26,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:39:26,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:39:26,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:39:26,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:39:26,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:39:26,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:39:26,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:39:26,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:39:26,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:39:26,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:39:26,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:39:26,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:39:26,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:39:26,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:39:26,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:39:26,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:39:26,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:39:26,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:39:26,905 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:39:26,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:39:26,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:39:26,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:39:26,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:26,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:39:26,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:39:26,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:39:26,908 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:39:26,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:39:26,908 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_a67e84c2-7c70-4d11-a7d6-f02229687c62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 [2024-11-08 19:39:27,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:39:27,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:39:27,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:39:27,260 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:39:27,261 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:39:27,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c Unable to find full path for "g++" [2024-11-08 19:39:29,418 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:39:29,615 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:39:29,616 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-11-08 19:39:29,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data/07ba545c9/e8f831b184d34f6e818247b1ca459ac1/FLAG82d7eef2e [2024-11-08 19:39:30,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data/07ba545c9/e8f831b184d34f6e818247b1ca459ac1 [2024-11-08 19:39:30,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:39:30,005 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:39:30,006 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:30,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:39:30,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:39:30,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@330c2ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30, skipping insertion in model container [2024-11-08 19:39:30,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:39:30,242 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_a67e84c2-7c70-4d11-a7d6-f02229687c62/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-11-08 19:39:30,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:30,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:39:30,293 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_a67e84c2-7c70-4d11-a7d6-f02229687c62/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-11-08 19:39:30,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:39:30,334 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:39:30,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30 WrapperNode [2024-11-08 19:39:30,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:39:30,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:30,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:39:30,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:39:30,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,370 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-08 19:39:30,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:39:30,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:39:30,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:39:30,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:39:30,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:39:30,409 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:39:30,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:39:30,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:39:30,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:39:30,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:39:30,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:39:30,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:39:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:39:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:39:30,484 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:39:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:39:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:39:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:39:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:39:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:39:30,561 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:39:30,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:39:30,712 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:39:30,713 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:39:30,742 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:39:30,743 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:39:30,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:30 BoogieIcfgContainer [2024-11-08 19:39:30,743 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:39:30,744 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:39:30,744 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:39:30,758 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:39:30,759 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:39:30" (1/1) ... [2024-11-08 19:39:30,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:39:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:30,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 19:39:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 19:39:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:39:30,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:30,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:30,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:39:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 19:39:31,036 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 19:39:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:39:31,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:31,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:31,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:31,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:39:31,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:31,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:39:31,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 19:39:31,410 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 19:39:31,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:39:31,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:31,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:39:32,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-08 19:39:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-08 19:39:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:39:32,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:32,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:32,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:39:32,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:32,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:39:35,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:39:36,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:36,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-08 19:39:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-08 19:39:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:39:36,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:36,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:36,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:39:36,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:39:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:36,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-08 19:39:36,237 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 19:39:36,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:39:36,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:36,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:36,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 19:39:36,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 19:39:36,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:36,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-08 19:39:36,787 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-08 19:39:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:39:36,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:36,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:36,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:39:36,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:39:37,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:37,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-08 19:39:37,872 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-08 19:39:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 19:39:37,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:37,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:38,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:38,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:39:38,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 19:39:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2024-11-08 19:39:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-11-08 19:39:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 19:39:38,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:38,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:38,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:39:38,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:38,913 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 19:39:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2024-11-08 19:39:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2024-11-08 19:39:39,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 19:39:39,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:39,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:40,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 19:39:40,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 19:39:44,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 19:39:44,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:44,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2024-11-08 19:39:44,766 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2024-11-08 19:39:44,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 19:39:44,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:44,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:44,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:39:44,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:45,133 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 19:39:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2024-11-08 19:39:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2024-11-08 19:39:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 19:39:46,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:46,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:48,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 19:39:48,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 19 proven. 49 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 19:39:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:49,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 105 transitions. [2024-11-08 19:39:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 105 transitions. [2024-11-08 19:39:49,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 19:39:49,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:49,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:39:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:39:49,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 19:39:49,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:39:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 11 proven. 46 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-08 19:39:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:39:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2024-11-08 19:39:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2024-11-08 19:39:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 19:39:51,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:39:51,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:39:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:40:01,266 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) [2024-11-08 19:40:01,270 INFO L158 Benchmark]: Toolchain (without parser) took 31264.52ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 134.8MB in the beginning and 76.5MB in the end (delta: 58.3MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2024-11-08 19:40:01,270 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 104.9MB. Free memory was 54.7MB in the beginning and 54.5MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:01,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.99ms. Allocated memory is still 176.2MB. Free memory was 134.2MB in the beginning and 121.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:40:01,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.40ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 120.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:01,272 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 119.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:01,273 INFO L158 Benchmark]: RCFGBuilder took 334.22ms. Allocated memory is still 176.2MB. Free memory was 119.0MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:40:01,274 INFO L158 Benchmark]: CodeCheck took 30524.52ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 107.0MB in the beginning and 76.5MB in the end (delta: 30.4MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2024-11-08 19:40:01,277 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 0.38ms. Allocated memory is still 104.9MB. Free memory was 54.7MB in the beginning and 54.5MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.99ms. Allocated memory is still 176.2MB. Free memory was 134.2MB in the beginning and 121.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.40ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 120.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 119.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.22ms. Allocated memory is still 176.2MB. Free memory was 119.0MB in the beginning and 107.6MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 30524.52ms. Allocated memory was 176.2MB in the beginning and 222.3MB in the end (delta: 46.1MB). Free memory was 107.0MB in the beginning and 76.5MB in the end (delta: 30.4MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 19:40:01,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/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_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/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_a67e84c2-7c70-4d11-a7d6-f02229687c62/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 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:40:03,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:40:03,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 19:40:03,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:40:03,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:40:03,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:40:03,890 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:40:03,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:40:03,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:40:03,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:40:03,893 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:40:03,893 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:40:03,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:40:03,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:40:03,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:40:03,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:40:03,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:40:03,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:40:03,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:40:03,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:40:03,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:40:03,899 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:40:03,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:40:03,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:40:03,904 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:40:03,904 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:40:03,905 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:03,905 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:40:03,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:40:03,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:03,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:40:03,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:40:03,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:40:03,907 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:40:03,908 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:03,908 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:40:03,909 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_a67e84c2-7c70-4d11-a7d6-f02229687c62/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7921702b8cbecd5225031321150d70ea7b40d7d08ee6ac9909ff47d4f7b99139 [2024-11-08 19:40:04,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:40:04,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:40:04,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:40:04,375 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:40:04,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:40:04,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c Unable to find full path for "g++" [2024-11-08 19:40:06,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:40:06,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:40:06,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c [2024-11-08 19:40:06,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data/ce4a74262/40b9198e9a54411b876ae1efef47d121/FLAG0e337301e [2024-11-08 19:40:06,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/data/ce4a74262/40b9198e9a54411b876ae1efef47d121 [2024-11-08 19:40:06,888 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:40:06,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:40:06,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:06,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:40:06,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:40:06,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:06" (1/1) ... [2024-11-08 19:40:06,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3764eded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:06, skipping insertion in model container [2024-11-08 19:40:06,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:06" (1/1) ... [2024-11-08 19:40:06,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:40:07,135 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_a67e84c2-7c70-4d11-a7d6-f02229687c62/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-11-08 19:40:07,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:07,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:40:07,205 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_a67e84c2-7c70-4d11-a7d6-f02229687c62/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound20.c[458,471] [2024-11-08 19:40:07,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:07,255 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:40:07,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07 WrapperNode [2024-11-08 19:40:07,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:07,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:07,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:40:07,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:40:07,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,276 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,296 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-08 19:40:07,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:07,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:40:07,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:40:07,300 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:40:07,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:40:07,364 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:40:07,364 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:40:07,364 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:40:07,365 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:07" (1/1) ... [2024-11-08 19:40:07,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:07,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:40:07,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:40:07,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:40:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 19:40:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:40:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:40:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:40:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:40:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 19:40:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 19:40:07,597 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:40:07,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:40:07,951 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 19:40:07,951 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:40:08,020 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:40:08,024 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:40:08,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:08 BoogieIcfgContainer [2024-11-08 19:40:08,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:40:08,026 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:40:08,026 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:40:08,037 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:40:08,038 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:08" (1/1) ... [2024-11-08 19:40:08,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:40:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 19:40:08,098 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 19:40:08,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:40:08,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:08,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:08,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:08,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:08,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:40:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:08,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:08,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:40:08,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:40:08,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:40:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:08,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 19:40:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 19:40:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:40:08,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:08,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:08,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:08,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:08,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 19:40:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:08,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:08,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:40:08,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:40:09,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 19:40:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:11,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 19:40:11,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 19:40:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:40:11,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:11,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:11,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:11,322 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:11,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 19:40:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:11,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:11,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:40:11,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:40:27,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:40:53,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:53,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 19:40:53,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 19:40:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:40:53,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:53,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:40:53,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:40:53,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:40:53,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 19:40:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:54,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:40:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:54,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 19:40:54,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:40:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:40:56,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 19:41:42,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:41:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-08 19:41:42,669 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-08 19:41:42,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 19:41:42,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:41:42,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:41:42,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:41:42,673 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:41:42,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 19:41:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:43,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:41:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:41:43,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 19:41:43,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:41:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 19:41:47,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 19:42:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:42:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 55 transitions. [2024-11-08 19:42:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-08 19:42:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 19:42:48,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:42:48,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:42:48,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:42:48,229 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:42:48,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 19:42:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:49,808 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:42:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:42:50,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 19:42:50,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:42:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 19:42:51,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 19:43:49,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:43:49,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 60 transitions. [2024-11-08 19:43:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-08 19:43:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 19:43:49,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:43:49,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:43:49,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:43:49,739 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:43:49,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 19:43:50,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:50,764 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:43:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:43:51,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 19:43:51,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:43:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 19:43:56,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 19:45:19,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:45:19,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 78 transitions. [2024-11-08 19:45:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2024-11-08 19:45:19,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 19:45:19,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:45:19,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:45:19,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:45:19,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:45:19,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 19:45:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:21,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:45:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:45:22,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:45:22,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:45:23,934 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 19:45:23,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 19:46:13,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:46:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:46:33,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 83 transitions. [2024-11-08 19:46:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2024-11-08 19:46:33,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 19:46:33,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:46:33,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:46:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:46:33,320 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:46:33,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 19:46:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:34,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:46:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:46:35,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:46:35,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:46:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 19:46:39,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 19:48:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:48:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 95 transitions. [2024-11-08 19:48:07,087 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2024-11-08 19:48:07,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 19:48:07,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:48:07,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:48:07,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:48:07,094 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:48:07,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 19:48:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:09,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:48:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:48:10,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:48:10,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:48:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 16 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 19:48:13,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-08 19:48:35,837 WARN L286 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:49:07,414 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:49:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:49:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 100 transitions. [2024-11-08 19:49:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2024-11-08 19:49:34,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 19:49:34,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:49:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:49:34,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:49:34,357 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:49:34,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 19:49:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:36,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:49:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:49:36,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:49:36,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:49:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 19:49:41,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 19:51:14,530 WARN L286 SmtUtils]: Spent 5.95s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:51:28,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:51:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 62 states and 112 transitions. [2024-11-08 19:51:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2024-11-08 19:51:28,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 19:51:28,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:51:28,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:51:28,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:51:28,369 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:51:28,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 19:51:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:31,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:51:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:51:32,440 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:51:32,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:51:35,532 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 26 proven. 43 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-08 19:51:35,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 19:52:01,329 WARN L286 SmtUtils]: Spent 7.56s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:52:31,139 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 19:53:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:53:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 65 states and 117 transitions. [2024-11-08 19:53:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 117 transitions. [2024-11-08 19:53:07,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 19:53:07,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:53:07,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:53:07,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:53:07,731 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:53:07,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 19:53:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:09,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 19:53:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:53:10,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:53:10,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:53:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 19:53:21,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a67e84c2-7c70-4d11-a7d6-f02229687c62/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 19:54:34,942 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)