./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:49:02,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:02,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:49:02,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:49:02,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:49:02,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:02,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:49:02,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:49:02,930 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:02,931 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:02,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:02,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:49:02,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:49:02,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:49:02,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:49:02,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:02,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:49:02,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:02,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:49:02,936 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:02,937 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:49:02,949 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:49:02,950 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:02,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:02,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:02,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:02,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:02,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:02,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:02,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:02,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:49:02,956 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:49:02,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:49:02,957 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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b [2024-11-08 23:49:03,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:03,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:03,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:03,397 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:03,397 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:03,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c Unable to find full path for "g++" [2024-11-08 23:49:05,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:49:05,859 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:49:05,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2024-11-08 23:49:05,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data/5d8f64d82/90345ac338014d65901e4f5ccc771125/FLAGe578676d5 [2024-11-08 23:49:05,883 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data/5d8f64d82/90345ac338014d65901e4f5ccc771125 [2024-11-08 23:49:05,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:49:05,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:49:05,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:05,889 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:49:05,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:49:05,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:05" (1/1) ... [2024-11-08 23:49:05,896 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246fb9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:05, skipping insertion in model container [2024-11-08 23:49:05,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:49:05" (1/1) ... [2024-11-08 23:49:05,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:49:06,153 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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-08 23:49:06,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:06,187 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:49:06,204 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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-08 23:49:06,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:49:06,233 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:49:06,234 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06 WrapperNode [2024-11-08 23:49:06,234 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:49:06,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:06,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:49:06,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:49:06,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,276 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-11-08 23:49:06,276 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:49:06,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:49:06,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:49:06,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:49:06,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:49:06,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:49:06,305 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:49:06,305 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:49:06,306 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:06,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:49:06,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:49:06,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:49:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:49:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:49:06,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:49:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:49:06,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:49:06,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:49:06,503 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:49:06,508 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:49:06,726 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:49:06,726 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:49:06,811 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:49:06,812 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:49:06,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:06 BoogieIcfgContainer [2024-11-08 23:49:06,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:49:06,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:49:06,821 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:49:06,835 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:49:06,835 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:49:06" (1/1) ... [2024-11-08 23:49:06,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:49:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 23:49:06,912 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 23:49:06,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:49:06,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:06,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:07,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:49:07,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:07,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:07,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 23:49:07,408 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 23:49:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:49:07,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:07,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 23:49:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 23:49:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:49:08,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:08,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:08,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:49:08,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:08,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:08,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-08 23:49:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-08 23:49:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:49:08,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:08,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:09,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:49:09,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:09,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:49:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-08 23:49:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-08 23:49:09,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:49:09,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:09,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:09,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:49:09,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:49:10,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-08 23:49:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-08 23:49:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:49:10,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:10,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:10,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:49:10,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:49:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2024-11-08 23:49:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2024-11-08 23:49:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:49:11,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:11,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:11,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:49:11,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:49:12,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-08 23:49:12,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-08 23:49:12,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:49:12,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:12,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:12,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:49:12,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 23:49:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2024-11-08 23:49:13,758 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2024-11-08 23:49:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:49:13,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:13,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:14,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 23:49:14,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 14 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 23:49:14,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-08 23:49:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-08 23:49:14,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:49:14,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:15,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:49:15,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 23:49:16,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:16,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2024-11-08 23:49:16,900 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2024-11-08 23:49:16,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 23:49:16,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:18,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:49:18,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 26 proven. 142 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 23:49:19,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:19,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-11-08 23:49:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-11-08 23:49:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 23:49:19,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:19,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:21,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:49:21,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-08 23:49:22,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:22,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2024-11-08 23:49:22,639 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2024-11-08 23:49:22,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 23:49:22,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:22,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:24,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:49:24,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 74 proven. 189 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-08 23:49:25,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:25,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 50 states and 75 transitions. [2024-11-08 23:49:25,556 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 75 transitions. [2024-11-08 23:49:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 23:49:25,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:25,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:26,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 23:49:26,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:27,298 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-08 23:49:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 53 states and 80 transitions. [2024-11-08 23:49:28,669 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 80 transitions. [2024-11-08 23:49:28,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 23:49:28,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:31,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 23:49:31,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 90 proven. 262 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-08 23:49:33,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:33,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2024-11-08 23:49:33,138 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2024-11-08 23:49:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 23:49:33,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:33,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:36,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:49:36,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 66 proven. 302 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 23:49:38,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 59 states and 90 transitions. [2024-11-08 23:49:38,850 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 90 transitions. [2024-11-08 23:49:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 23:49:38,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:38,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:43,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-08 23:49:43,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 106 proven. 347 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-08 23:49:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:45,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-08 23:49:45,912 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-08 23:49:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-08 23:49:45,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:45,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:49:56,040 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 23:49:56,051 INFO L158 Benchmark]: Toolchain (without parser) took 50161.89ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 109.2MB in the beginning and 101.0MB in the end (delta: 8.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:56,054 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.3MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:56,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.39ms. Allocated memory is still 146.8MB. Free memory was 109.2MB in the beginning and 96.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:49:56,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.86ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 95.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:49:56,059 INFO L158 Benchmark]: Boogie Preprocessor took 26.14ms. Allocated memory is still 146.8MB. Free memory was 95.1MB in the beginning and 93.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:49:56,063 INFO L158 Benchmark]: RCFGBuilder took 507.98ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 82.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:49:56,064 INFO L158 Benchmark]: CodeCheck took 49233.99ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 81.4MB in the beginning and 101.0MB in the end (delta: -19.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-08 23:49:56,073 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 0.46ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.3MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.39ms. Allocated memory is still 146.8MB. Free memory was 109.2MB in the beginning and 96.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.86ms. Allocated memory is still 146.8MB. Free memory was 96.7MB in the beginning and 95.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.14ms. Allocated memory is still 146.8MB. Free memory was 95.1MB in the beginning and 93.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.98ms. Allocated memory is still 146.8MB. Free memory was 93.9MB in the beginning and 82.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 49233.99ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 81.4MB in the beginning and 101.0MB in the end (delta: -19.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:49:56,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:49:58,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:49:59,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:49:59,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:49:59,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:49:59,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:49:59,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:49:59,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:49:59,161 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:49:59,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:49:59,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:49:59,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:49:59,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:49:59,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:49:59,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:49:59,167 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:49:59,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:49:59,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:49:59,171 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:49:59,172 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:49:59,172 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:49:59,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:49:59,177 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:49:59,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:49:59,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:49:59,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:49:59,179 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:59,180 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:49:59,180 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:49:59,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:49:59,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:49:59,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:49:59,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:49:59,184 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:49:59,184 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:59,185 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:49:59,186 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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544518f16c995eb36950e2b23195c44efaa0ec21905798c152f246cf5cd9bc9b [2024-11-08 23:49:59,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:49:59,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:49:59,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:49:59,797 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:49:59,798 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:49:59,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c Unable to find full path for "g++" [2024-11-08 23:50:02,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:50:02,825 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:50:02,826 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c [2024-11-08 23:50:02,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data/a97d75319/af27f77f3cda418d94f059fc74605fa9/FLAG220ae34b1 [2024-11-08 23:50:03,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/data/a97d75319/af27f77f3cda418d94f059fc74605fa9 [2024-11-08 23:50:03,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:50:03,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:50:03,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:03,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:50:03,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:50:03,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a4ae712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03, skipping insertion in model container [2024-11-08 23:50:03,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,154 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:50:03,381 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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-08 23:50:03,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:03,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:50:03,441 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_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound100.c[458,471] [2024-11-08 23:50:03,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:50:03,473 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:50:03,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03 WrapperNode [2024-11-08 23:50:03,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:50:03,475 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:03,476 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:50:03,476 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:50:03,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,519 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2024-11-08 23:50:03,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:50:03,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:50:03,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:50:03,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:50:03,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:50:03,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:50:03,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:50:03,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:50:03,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:50:03" (1/1) ... [2024-11-08 23:50:03,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:50:03,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:50:03,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:50:03,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:50:03,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:50:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:50:03,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:50:03,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:50:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:50:03,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:50:03,782 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:50:03,785 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:50:04,209 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:50:04,209 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:50:04,267 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:50:04,268 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:50:04,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:50:04 BoogieIcfgContainer [2024-11-08 23:50:04,269 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:50:04,270 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:50:04,270 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:50:04,283 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:50:04,283 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:50:04" (1/1) ... [2024-11-08 23:50:04,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:50:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 23:50:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 23:50:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:50:04,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:04,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:04,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:04,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:04,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:50:04,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:04,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:04,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:50:04,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:50:05,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:06,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 23:50:06,081 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 23:50:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:50:06,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:06,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:06,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:06,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:06,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:50:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:06,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:06,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:50:06,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:50:12,607 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:50:12,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:50:16,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:50:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 23:50:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 23:50:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:50:25,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:25,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:25,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:25,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:25,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:50:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:25,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:50:25,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:50:26,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:50:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:47,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-08 23:50:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-08 23:50:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:50:47,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:47,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:47,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:47,327 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:47,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:50:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:48,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:48,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:50:48,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:49,284 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:50:49,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:51:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:12,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 23:51:12,230 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 23:51:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:51:12,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:12,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:12,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:12,234 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:12,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:51:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:13,476 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:13,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 23:51:13,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:51:14,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:51:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:43,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-08 23:51:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-08 23:51:43,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:51:43,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:43,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:51:43,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:51:43,856 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:51:43,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:51:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:43,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:51:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:44,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:51:44,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:51:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:51:45,807 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:51:45,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:20,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2024-11-08 23:52:20,020 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2024-11-08 23:52:20,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:52:20,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:20,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:20,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:20,027 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:20,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:52:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:20,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:20,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 23:52:20,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 9 proven. 53 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:52:22,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:53:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-11-08 23:53:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-11-08 23:53:00,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:53:00,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:00,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:00,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:00,330 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:00,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:53:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:00,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:01,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:53:01,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:03,077 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 22 proven. 71 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 23:53:03,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:53:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2024-11-08 23:53:50,118 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-08 23:53:50,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:53:50,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:50,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:50,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:50,124 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:50,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:53:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:50,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:53:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:51,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:53:51,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 24 proven. 97 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-08 23:53:54,033 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:53:54,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:54:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:45,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2024-11-08 23:54:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2024-11-08 23:54:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:54:45,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:45,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:45,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:45,376 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:45,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:54:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:45,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:46,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:54:46,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:49,028 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 26 proven. 126 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-08 23:54:49,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:55:04,796 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:55:41,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:41,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2024-11-08 23:55:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2024-11-08 23:55:41,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 23:55:41,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:41,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:55:41,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:55:41,092 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:55:41,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:55:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:41,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:55:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:42,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:55:42,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:45,010 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 28 proven. 158 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-08 23:55:45,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 23:56:38,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:38,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2024-11-08 23:56:38,240 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2024-11-08 23:56:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 23:56:38,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:38,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:38,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:38,245 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:56:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:38,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:39,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 23:56:39,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:42,287 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 42 proven. 181 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-08 23:56:42,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:57:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2024-11-08 23:57:44,634 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2024-11-08 23:57:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 23:57:44,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:44,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:57:44,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:57:44,642 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:57:44,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:57:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:44,753 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:57:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:45,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:57:45,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:57:49,743 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 32 proven. 231 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-08 23:57:49,745 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 23:57:49,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 23:58:10,918 WARN L286 SmtUtils]: Spent 6.94s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:58:35,695 WARN L286 SmtUtils]: Spent 5.87s on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:58:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 83 transitions. [2024-11-08 23:58:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2024-11-08 23:58:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 23:58:57,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:57,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:58:57,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:58:57,885 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:58:57,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:58:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:57,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:58:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:58,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 23:58:58,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:59:03,298 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 52 proven. 254 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-08 23:59:03,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-08 23:59:24,248 WARN L286 SmtUtils]: Spent 6.16s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:59:52,075 WARN L286 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:00:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 57 states and 88 transitions. [2024-11-09 00:00:19,654 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 88 transitions. [2024-11-09 00:00:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 00:00:19,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:19,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:19,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:00:19,659 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:00:19,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:00:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:19,751 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:00:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:20,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-09 00:00:20,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:00:25,572 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 54 proven. 298 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-09 00:00:25,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-09 00:00:46,127 WARN L286 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:13,386 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2024-11-09 00:01:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2024-11-09 00:01:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-09 00:01:41,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:41,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:41,891 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:41,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:01:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:41,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:43,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-09 00:01:43,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:01:48,649 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 56 proven. 345 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-09 00:01:48,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:02:11,975 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 95 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:02:45,343 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 96 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:03:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:03:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2024-11-09 00:03:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2024-11-09 00:03:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 00:03:16,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:03:16,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:03:16,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:03:16,023 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:03:16,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:03:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:16,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:03:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:03:17,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 00:03:17,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:03:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 795 backedges. 58 proven. 395 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-09 00:03:23,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29934df1-c5ef-46cc-8f0d-bbcbddc5ab83/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:03:48,373 WARN L286 SmtUtils]: Spent 7.71s on a formula simplification that was a NOOP. DAG size: 100 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)