./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.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_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/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_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/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_2354109d-6988-4222-8cdc-a18b1aa6b306/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 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:40:46,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:40:46,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:40:46,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:40:46,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:40:46,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:40:46,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:40:46,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:40:46,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:40:46,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:40:46,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:40:46,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:40:46,390 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:40:46,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:40:46,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:40:46,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:40:46,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:40:46,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:40:46,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:40:46,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:40:46,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:40:46,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:40:46,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:40:46,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:40:46,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:40:46,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:40:46,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:40:46,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:46,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:40:46,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:40:46,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:40:46,403 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:40:46,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:40:46,404 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_2354109d-6988-4222-8cdc-a18b1aa6b306/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 [2024-11-08 23:40:46,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:40:46,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:40:46,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:40:46,722 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:40:46,722 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:40:46,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c Unable to find full path for "g++" [2024-11-08 23:40:48,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:40:48,923 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:40:48,924 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-11-08 23:40:48,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data/16427ce36/c69ee5f589b74fec8f2406d1e85074af/FLAGf900ed3e1 [2024-11-08 23:40:49,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data/16427ce36/c69ee5f589b74fec8f2406d1e85074af [2024-11-08 23:40:49,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:40:49,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:40:49,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:49,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:40:49,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:40:49,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce6643e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49, skipping insertion in model container [2024-11-08 23:40:49,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:40:49,524 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_2354109d-6988-4222-8cdc-a18b1aa6b306/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-08 23:40:49,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:49,553 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:40:49,563 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_2354109d-6988-4222-8cdc-a18b1aa6b306/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-08 23:40:49,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:40:49,588 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:40:49,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49 WrapperNode [2024-11-08 23:40:49,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:40:49,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:49,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:40:49,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:40:49,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,605 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,619 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-08 23:40:49,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:40:49,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:40:49,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:40:49,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:40:49,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,632 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,632 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,639 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,640 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:40:49,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:40:49,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:40:49,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:40:49,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:49,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:40:49,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:40:49,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:40:49,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:40:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:40:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:40:49,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:40:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:40:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:40:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:40:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:40:49,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:40:49,765 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:40:49,767 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:40:49,936 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:40:49,936 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:40:49,985 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:40:49,986 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:40:49,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:49 BoogieIcfgContainer [2024-11-08 23:40:49,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:40:49,988 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:40:49,988 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:40:49,998 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:40:49,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:40:49" (1/1) ... [2024-11-08 23:40:50,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:40:50,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 23:40:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 23:40:50,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:40:50,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:50,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:50,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 23:40:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 23:40:50,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:40:50,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:50,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:40:50,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:50,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:40:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:40:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:40:50,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:50,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-08 23:40:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-08 23:40:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:40:51,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:51,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:51,641 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:40:51,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:40:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-08 23:40:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-08 23:40:52,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:40:52,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:52,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:52,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:40:52,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:40:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:52,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-08 23:40:52,279 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 23:40:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:40:52,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:52,368 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:40:52,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:52,470 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:40:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-11-08 23:40:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-11-08 23:40:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:40:52,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:52,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:52,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:40:52,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:40:53,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2024-11-08 23:40:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-08 23:40:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:40:53,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:53,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:54,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:40:54,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:54,146 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:40:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2024-11-08 23:40:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2024-11-08 23:40:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:40:54,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:54,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:40:54,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 23:40:55,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 50 states and 80 transitions. [2024-11-08 23:40:55,703 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 80 transitions. [2024-11-08 23:40:55,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:40:55,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:55,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:56,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 23:40:56,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-08 23:40:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2024-11-08 23:40:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2024-11-08 23:40:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 23:40:56,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:56,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:56,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 23:40:57,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 21 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 23:40:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:40:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2024-11-08 23:40:58,260 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2024-11-08 23:40:58,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 23:40:58,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:40:58,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:40:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:40:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:40:58,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 23:40:58,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:40:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 26 proven. 42 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:41:11,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:41:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 64 states and 105 transitions. [2024-11-08 23:41:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 105 transitions. [2024-11-08 23:41:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-08 23:41:11,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:11,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:11,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:41:11,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-11-08 23:41:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:13,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 72 states and 120 transitions. [2024-11-08 23:41:13,443 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2024-11-08 23:41:13,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 23:41:13,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:14,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-08 23:41:14,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:14,324 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 32 proven. 61 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-08 23:41:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 75 states and 125 transitions. [2024-11-08 23:41:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 125 transitions. [2024-11-08 23:41:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-08 23:41:14,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:14,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:15,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-08 23:41:15,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 29 proven. 66 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-08 23:41:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:16,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2024-11-08 23:41:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2024-11-08 23:41:16,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:41:16,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:16,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:17,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:17,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 23:41:17,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 36 proven. 85 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-08 23:41:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2024-11-08 23:41:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2024-11-08 23:41:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-08 23:41:17,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:17,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:17,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 23:41:17,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 15 proven. 85 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 23:41:19,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:19,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2024-11-08 23:41:19,824 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2024-11-08 23:41:19,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 23:41:19,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:19,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:20,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:41:20,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:21,477 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 36 proven. 101 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-08 23:41:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:22,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 97 states and 165 transitions. [2024-11-08 23:41:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 165 transitions. [2024-11-08 23:41:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 23:41:22,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:22,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:22,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 23:41:22,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 18 proven. 84 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2024-11-08 23:41:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 105 states and 180 transitions. [2024-11-08 23:41:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 180 transitions. [2024-11-08 23:41:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-08 23:41:24,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:24,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:41:24,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 38 proven. 130 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 23:41:25,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 185 transitions. [2024-11-08 23:41:25,858 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 185 transitions. [2024-11-08 23:41:25,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-08 23:41:25,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:25,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:25,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-08 23:41:25,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 20 proven. 108 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-08 23:41:28,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:28,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2024-11-08 23:41:28,239 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2024-11-08 23:41:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-08 23:41:28,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:28,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:28,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 23:41:28,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 53 proven. 185 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-11-08 23:41:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:29,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 205 transitions. [2024-11-08 23:41:29,427 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 205 transitions. [2024-11-08 23:41:29,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-08 23:41:29,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:29,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:29,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-08 23:41:29,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 21 proven. 166 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-08 23:41:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:32,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 127 states and 220 transitions. [2024-11-08 23:41:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 220 transitions. [2024-11-08 23:41:32,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-08 23:41:32,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:32,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:32,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-11-08 23:41:32,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 46 proven. 235 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2024-11-08 23:41:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 130 states and 225 transitions. [2024-11-08 23:41:33,461 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 225 transitions. [2024-11-08 23:41:33,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-08 23:41:33,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:33,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:33,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 100 conjuncts are in the unsatisfiable core [2024-11-08 23:41:33,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 60 proven. 237 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-11-08 23:41:37,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 240 transitions. [2024-11-08 23:41:37,146 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 240 transitions. [2024-11-08 23:41:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-08 23:41:37,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:37,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:39,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 23:41:39,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-08 23:41:41,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:41,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 245 transitions. [2024-11-08 23:41:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2024-11-08 23:41:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-08 23:41:41,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:41,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:41,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 23:41:41,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:42,566 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 198 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-08 23:41:45,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 149 states and 260 transitions. [2024-11-08 23:41:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 260 transitions. [2024-11-08 23:41:45,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-08 23:41:45,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:45,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:45,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-11-08 23:41:45,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 73 proven. 321 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-08 23:41:47,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 152 states and 265 transitions. [2024-11-08 23:41:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 265 transitions. [2024-11-08 23:41:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 23:41:47,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:47,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:41:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:47,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 23:41:47,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 28 proven. 234 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-11-08 23:41:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:50,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 160 states and 280 transitions. [2024-11-08 23:41:50,859 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 280 transitions. [2024-11-08 23:41:50,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 23:41:50,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:50,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:41:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:42:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:42:00,949 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 23:42:00,953 INFO L158 Benchmark]: Toolchain (without parser) took 71629.56ms. Allocated memory was 138.4MB in the beginning and 373.3MB in the end (delta: 234.9MB). Free memory was 102.0MB in the beginning and 124.1MB in the end (delta: -22.1MB). Peak memory consumption was 215.2MB. Max. memory is 16.1GB. [2024-11-08 23:42:00,954 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 138.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:00,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.13ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 89.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:42:00,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.87ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:00,955 INFO L158 Benchmark]: Boogie Preprocessor took 21.70ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 86.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:00,956 INFO L158 Benchmark]: RCFGBuilder took 343.99ms. Allocated memory is still 138.4MB. Free memory was 86.5MB in the beginning and 74.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:42:00,961 INFO L158 Benchmark]: CodeCheck took 70964.22ms. Allocated memory was 138.4MB in the beginning and 373.3MB in the end (delta: 234.9MB). Free memory was 74.7MB in the beginning and 124.1MB in the end (delta: -49.3MB). Peak memory consumption was 188.0MB. Max. memory is 16.1GB. [2024-11-08 23:42:00,964 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 0.33ms. Allocated memory is still 138.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.13ms. Allocated memory is still 138.4MB. Free memory was 102.0MB in the beginning and 89.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.87ms. Allocated memory is still 138.4MB. Free memory was 89.4MB in the beginning and 87.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.70ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 86.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.99ms. Allocated memory is still 138.4MB. Free memory was 86.5MB in the beginning and 74.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 70964.22ms. Allocated memory was 138.4MB in the beginning and 373.3MB in the end (delta: 234.9MB). Free memory was 74.7MB in the beginning and 124.1MB in the end (delta: -49.3MB). Peak memory consumption was 188.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:42:00,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/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_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/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_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/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_2354109d-6988-4222-8cdc-a18b1aa6b306/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 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:03,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:03,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:42:03,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:03,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:42:03,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:42:03,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:03,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:03,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:03,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:03,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:42:03,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:42:03,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:03,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:03,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:03,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:03,765 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:42:03,765 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:42:03,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:03,766 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:42:03,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:42:03,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:03,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:03,770 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:03,770 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:03,771 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:03,771 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:03,771 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:42:03,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:03,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:03,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:03,772 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:03,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:42:03,773 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:42:03,773 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:03,776 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:42:03,776 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_2354109d-6988-4222-8cdc-a18b1aa6b306/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b2ee659e7bd0f15011c822a777a938a0e6f5b3a8f826a051cccefa88973daa0 [2024-11-08 23:42:04,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:04,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:04,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:04,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:04,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:04,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c Unable to find full path for "g++" [2024-11-08 23:42:06,257 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:06,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:06,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c [2024-11-08 23:42:06,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data/2cecf11ee/d2b8c0f8f4b94c618f05de2524766468/FLAG454a03188 [2024-11-08 23:42:06,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/data/2cecf11ee/d2b8c0f8f4b94c618f05de2524766468 [2024-11-08 23:42:06,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:06,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:06,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:06,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:06,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:06,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:06,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9b0241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06, skipping insertion in model container [2024-11-08 23:42:06,543 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:06,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:06,840 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_2354109d-6988-4222-8cdc-a18b1aa6b306/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-08 23:42:06,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:06,895 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:06,912 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_2354109d-6988-4222-8cdc-a18b1aa6b306/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound20.c[458,471] [2024-11-08 23:42:06,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:06,956 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:06,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06 WrapperNode [2024-11-08 23:42:06,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:06,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:06,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:06,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:06,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:06,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,005 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2024-11-08 23:42:07,006 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:07,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:07,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:07,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:07,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,064 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:07,065 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:07,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:07,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:07,071 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:06" (1/1) ... [2024-11-08 23:42:07,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:07,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:07,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:07,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:07,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:07,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:42:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:42:07,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:42:07,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:07,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:42:07,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:42:07,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:07,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:08,067 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:08,067 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:08,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:08,126 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:42:08,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:08 BoogieIcfgContainer [2024-11-08 23:42:08,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:08,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:08,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:08,142 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:08,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:08" (1/1) ... [2024-11-08 23:42:08,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:08,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:08,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-08 23:42:08,214 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-08 23:42:08,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:42:08,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:08,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:08,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:08,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:42:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:08,327 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:08,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:42:08,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:42:08,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:42:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:08,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-08 23:42:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 23:42:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:42:08,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:08,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:08,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:08,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:08,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:42:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:09,052 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:09,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:42:09,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:42:09,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:42:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:42:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:42:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:42:11,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:11,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:11,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:11,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:42:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:12,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:12,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:42:12,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:42:33,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:43:05,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:43:08,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 23:43:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 23:43:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:43:08,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:08,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:08,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:08,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:08,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:43:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:09,322 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:09,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 23:43:09,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:10,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:43:10,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 23:44:03,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:03,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-08 23:44:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-08 23:44:03,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:44:03,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:03,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:44:03,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:44:03,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:44:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:44:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:03,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:44:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:04,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:44:04,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 23:44:07,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 55 transitions. [2024-11-08 23:45:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2024-11-08 23:45:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:45:27,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:27,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:27,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:27,205 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:27,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:45:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:29,073 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:29,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 23:45:29,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:31,661 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 23:45:31,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:45:55,907 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:46:23,865 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:46:44,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:46:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:47,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 60 transitions. [2024-11-08 23:46:47,401 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-08 23:46:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:46:47,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:47,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:47,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:46:47,405 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:46:47,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:46:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:48,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:46:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:48,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 23:46:49,001 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:46:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 23:46:53,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:48:38,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:48:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 46 states and 78 transitions. [2024-11-08 23:48:39,204 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2024-11-08 23:48:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:48:39,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:39,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:39,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:39,208 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:39,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:48:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:41,277 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:42,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:48:42,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-08 23:48:44,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:06,211 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification that was a NOOP. DAG size: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:49:42,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:50:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:09,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 49 states and 83 transitions. [2024-11-08 23:50:09,398 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2024-11-08 23:50:09,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 23:50:09,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:09,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:50:09,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:50:09,404 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:50:09,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:50:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:11,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:50:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:11,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:50:11,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:50:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-08 23:50:16,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 54 states and 95 transitions. [2024-11-08 23:52:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 95 transitions. [2024-11-08 23:52:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 23:52:09,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:09,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:52:09,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:52:09,469 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:52:09,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:52:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:12,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:52:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:13,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 23:52:13,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:52:17,222 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 18 proven. 29 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 23:52:17,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:52:44,066 WARN L286 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:53:22,370 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:53:26,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:01,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:54:04,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:04,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 100 transitions. [2024-11-08 23:54:04,395 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 100 transitions. [2024-11-08 23:54:04,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-08 23:54:04,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:04,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:54:04,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:54:04,401 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:54:04,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:54:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:06,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:54:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:07,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:54:07,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:54:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-08 23:54:13,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2354109d-6988-4222-8cdc-a18b1aa6b306/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:55:16,819 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)