./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.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_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/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_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/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_3624f535-456e-4ca5-b269-baefc8d29c22/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 e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:36:02,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:36:02,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:36:02,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:36:02,563 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:36:02,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:36:02,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:36:02,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:36:02,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:36:02,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:36:02,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:36:02,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:36:02,609 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:36:02,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:36:02,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:36:02,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:36:02,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:36:02,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:36:02,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:36:02,615 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:36:02,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:36:02,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:36:02,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:36:02,620 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:36:02,621 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:36:02,621 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:36:02,622 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:36:02,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:36:02,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:36:02,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:36:02,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:36:02,628 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:36:02,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:36:02,628 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_3624f535-456e-4ca5-b269-baefc8d29c22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2024-11-08 23:36:02,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:36:02,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:36:03,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:36:03,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:36:03,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:36:03,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-08 23:36:05,075 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:36:05,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:36:05,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-08 23:36:05,291 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data/bc4b53899/604fdf6f09484c2089c626ac90f9a19f/FLAG708afc2b5 [2024-11-08 23:36:05,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data/bc4b53899/604fdf6f09484c2089c626ac90f9a19f [2024-11-08 23:36:05,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:36:05,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:36:05,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:36:05,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:36:05,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:36:05,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@378e8945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05, skipping insertion in model container [2024-11-08 23:36:05,332 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:36:05,587 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_3624f535-456e-4ca5-b269-baefc8d29c22/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-08 23:36:05,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:36:05,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:36:05,634 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_3624f535-456e-4ca5-b269-baefc8d29c22/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-08 23:36:05,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:36:05,659 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:36:05,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05 WrapperNode [2024-11-08 23:36:05,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:36:05,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:36:05,661 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:36:05,661 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:36:05,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,693 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-08 23:36:05,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:36:05,695 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:36:05,695 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:36:05,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:36:05,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,706 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:36:05,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:36:05,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:36:05,718 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:36:05,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:36:05" (1/1) ... [2024-11-08 23:36:05,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:36:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:36:05,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:36:05,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:36:05,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:36:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:36:05,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:36:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:36:05,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:36:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:36:05,882 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:36:05,885 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:36:06,085 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:36:06,085 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:36:06,130 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:36:06,131 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:36:06,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:06 BoogieIcfgContainer [2024-11-08 23:36:06,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:36:06,132 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:36:06,132 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:36:06,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:36:06,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:36:06" (1/1) ... [2024-11-08 23:36:06,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:36:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:06,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:36:06,219 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:36:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:36:06,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:06,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:06,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:06,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:36:06,379 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:36:06,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:36:06,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:06,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:06,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:06,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:06,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 23:36:06,578 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 23:36:06,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:36:06,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:06,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:06,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:36:06,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:07,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:07,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 23:36:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 23:36:07,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:36:07,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:07,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-08 23:36:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-08 23:36:08,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:36:08,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:08,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:08,420 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:09,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:09,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2024-11-08 23:36:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2024-11-08 23:36:09,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:36:09,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:09,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:09,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:36:09,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:10,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-11-08 23:36:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-11-08 23:36:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:36:10,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:10,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:10,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:36:10,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:36:11,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2024-11-08 23:36:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2024-11-08 23:36:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:36:11,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:11,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:11,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:36:11,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:11,705 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:36:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2024-11-08 23:36:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2024-11-08 23:36:11,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:36:11,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:11,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:11,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:36:11,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:36:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-11-08 23:36:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-11-08 23:36:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:36:13,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:13,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:13,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:36:13,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:36:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:13,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-11-08 23:36:13,838 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-11-08 23:36:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:36:13,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:13,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:14,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:36:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2024-11-08 23:36:15,108 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2024-11-08 23:36:15,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:36:15,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:15,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:15,173 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:36:15,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:36:16,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2024-11-08 23:36:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2024-11-08 23:36:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:36:16,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:16,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:36:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2024-11-08 23:36:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2024-11-08 23:36:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:36:16,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:16,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:36:16,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:36:19,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 58 states and 119 transitions. [2024-11-08 23:36:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 119 transitions. [2024-11-08 23:36:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:36:19,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:19,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 23:36:19,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:36:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2024-11-08 23:36:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2024-11-08 23:36:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:36:20,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:20,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:20,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:36:20,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:21,147 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:36:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 65 states and 136 transitions. [2024-11-08 23:36:22,477 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 136 transitions. [2024-11-08 23:36:22,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:36:22,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:22,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:22,536 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 23:36:22,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:36:23,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:23,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 137 transitions. [2024-11-08 23:36:23,336 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 137 transitions. [2024-11-08 23:36:23,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:36:23,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:23,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:23,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:23,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:36:23,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:36:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:24,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 70 states and 140 transitions. [2024-11-08 23:36:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 140 transitions. [2024-11-08 23:36:24,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:36:24,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:24,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:36:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 74 states and 164 transitions. [2024-11-08 23:36:26,457 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2024-11-08 23:36:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:36:26,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:26,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:26,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:36:26,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 23:36:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 77 states and 167 transitions. [2024-11-08 23:36:28,096 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 167 transitions. [2024-11-08 23:36:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:36:28,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:28,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:36:28,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:28,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 77 states and 166 transitions. [2024-11-08 23:36:28,592 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 166 transitions. [2024-11-08 23:36:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:36:28,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:36:29,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 77 states and 165 transitions. [2024-11-08 23:36:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 165 transitions. [2024-11-08 23:36:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:36:29,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:29,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:29,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:36:29,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 87 states and 197 transitions. [2024-11-08 23:36:33,545 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 197 transitions. [2024-11-08 23:36:33,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:36:33,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:33,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:36:33,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 93 states and 204 transitions. [2024-11-08 23:36:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 204 transitions. [2024-11-08 23:36:36,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:36:36,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:36,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:36,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 23:36:36,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 94 states and 207 transitions. [2024-11-08 23:36:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 207 transitions. [2024-11-08 23:36:36,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:36:36,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:36,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:36,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 23:36:36,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:37,499 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:36:38,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:38,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 209 transitions. [2024-11-08 23:36:38,560 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 209 transitions. [2024-11-08 23:36:38,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:38,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:38,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:39,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 23:36:39,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:39,867 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:36:42,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 100 states and 222 transitions. [2024-11-08 23:36:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 222 transitions. [2024-11-08 23:36:42,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:42,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:42,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:42,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:36:42,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:36:45,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:45,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 103 states and 225 transitions. [2024-11-08 23:36:45,138 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 225 transitions. [2024-11-08 23:36:45,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:45,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:45,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:47,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 107 states and 256 transitions. [2024-11-08 23:36:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 256 transitions. [2024-11-08 23:36:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:47,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:47,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:48,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:48,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 23:36:48,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 12 proven. 44 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 23:36:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 110 states and 259 transitions. [2024-11-08 23:36:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 259 transitions. [2024-11-08 23:36:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:49,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:50,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 110 states and 258 transitions. [2024-11-08 23:36:50,411 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 258 transitions. [2024-11-08 23:36:50,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:50,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:50,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:50,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:36:50,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 23:36:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 113 states and 262 transitions. [2024-11-08 23:36:52,654 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 262 transitions. [2024-11-08 23:36:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:52,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:52,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:53,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 23:36:53,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:54,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 115 states and 263 transitions. [2024-11-08 23:36:54,595 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 263 transitions. [2024-11-08 23:36:54,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:54,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:54,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:54,705 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 115 states and 262 transitions. [2024-11-08 23:36:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 262 transitions. [2024-11-08 23:36:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 23:36:55,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:55,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:55,364 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 23:36:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:36:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 115 states and 261 transitions. [2024-11-08 23:36:55,826 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 261 transitions. [2024-11-08 23:36:55,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:36:55,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:36:55,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:36:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:36:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:36:55,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:36:55,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:36:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 125 states and 299 transitions. [2024-11-08 23:37:03,205 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 299 transitions. [2024-11-08 23:37:03,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:37:03,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:03,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:03,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:37:03,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:03,355 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 128 states and 304 transitions. [2024-11-08 23:37:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 304 transitions. [2024-11-08 23:37:05,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:37:05,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:05,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:05,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:37:05,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:05,197 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:05,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:05,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 129 states and 306 transitions. [2024-11-08 23:37:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 306 transitions. [2024-11-08 23:37:05,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:37:05,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:05,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:06,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:37:06,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:08,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:08,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 134 states and 310 transitions. [2024-11-08 23:37:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 310 transitions. [2024-11-08 23:37:08,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:37:08,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:08,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:37:08,400 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 137 states and 313 transitions. [2024-11-08 23:37:09,849 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 313 transitions. [2024-11-08 23:37:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 23:37:09,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:09,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:09,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:37:09,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:09,991 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 140 states and 316 transitions. [2024-11-08 23:37:11,156 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 316 transitions. [2024-11-08 23:37:11,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:37:11,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:11,644 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 144 states and 352 transitions. [2024-11-08 23:37:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 352 transitions. [2024-11-08 23:37:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:37:15,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:15,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:15,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 23:37:15,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:16,446 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-08 23:37:19,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:19,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 148 states and 369 transitions. [2024-11-08 23:37:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 369 transitions. [2024-11-08 23:37:19,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:37:19,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:19,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 23:37:20,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 148 states and 368 transitions. [2024-11-08 23:37:20,493 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 368 transitions. [2024-11-08 23:37:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:37:20,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:20,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:21,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 23:37:21,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 23:37:23,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 151 states and 371 transitions. [2024-11-08 23:37:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 371 transitions. [2024-11-08 23:37:23,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 23:37:23,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:37:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:37:33,962 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 23:37:33,970 INFO L158 Benchmark]: Toolchain (without parser) took 88645.08ms. Allocated memory was 142.6MB in the beginning and 627.0MB in the end (delta: 484.4MB). Free memory was 107.0MB in the beginning and 341.5MB in the end (delta: -234.5MB). Peak memory consumption was 252.0MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,971 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:37:33,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.98ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 94.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.59ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,973 INFO L158 Benchmark]: Boogie Preprocessor took 22.16ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,978 INFO L158 Benchmark]: RCFGBuilder took 414.12ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 78.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,980 INFO L158 Benchmark]: CodeCheck took 87832.48ms. Allocated memory was 142.6MB in the beginning and 627.0MB in the end (delta: 484.4MB). Free memory was 78.8MB in the beginning and 341.5MB in the end (delta: -262.7MB). Peak memory consumption was 222.6MB. Max. memory is 16.1GB. [2024-11-08 23:37:33,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 115.3MB. Free memory was 84.6MB in the beginning and 84.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.98ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 94.3MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.59ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 92.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.16ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 91.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.12ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 78.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 87832.48ms. Allocated memory was 142.6MB in the beginning and 627.0MB in the end (delta: 484.4MB). Free memory was 78.8MB in the beginning and 341.5MB in the end (delta: -262.7MB). Peak memory consumption was 222.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-08 23:37:34,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/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_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/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_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/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_3624f535-456e-4ca5-b269-baefc8d29c22/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 e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:37:36,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:37:36,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:37:36,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:37:36,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:37:36,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:37:36,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:37:36,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:37:36,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:37:36,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:37:36,733 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:37:36,733 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:37:36,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:37:36,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:37:36,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:37:36,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:37:36,735 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:37:36,736 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:37:36,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:37:36,737 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:37:36,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:37:36,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:37:36,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:37:36,739 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:37:36,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:37:36,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:37:36,740 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:36,740 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:37:36,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:37:36,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:36,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:37:36,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:37:36,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:37:36,742 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:37:36,743 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:36,743 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:37:36,743 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_3624f535-456e-4ca5-b269-baefc8d29c22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e40af029af23d5cbf5d8bd74acfdc7af42526c81be3e447d3e43ec16d52857d1 [2024-11-08 23:37:37,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:37:37,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:37:37,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:37:37,188 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:37:37,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:37:37,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-08 23:37:39,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:37:40,070 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:37:40,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c [2024-11-08 23:37:40,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data/19b4fc410/df8322a2396c404683e554935056177d/FLAG7ef321b26 [2024-11-08 23:37:40,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/data/19b4fc410/df8322a2396c404683e554935056177d [2024-11-08 23:37:40,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:37:40,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:37:40,368 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:40,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:37:40,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:37:40,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e5802ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40, skipping insertion in model container [2024-11-08 23:37:40,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:37:40,722 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_3624f535-456e-4ca5-b269-baefc8d29c22/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-08 23:37:40,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:40,783 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:37:40,811 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_3624f535-456e-4ca5-b269-baefc8d29c22/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound100.c[458,471] [2024-11-08 23:37:40,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:37:40,848 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:37:40,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40 WrapperNode [2024-11-08 23:37:40,850 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:37:40,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:40,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:37:40,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:37:40,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,893 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-08 23:37:40,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:37:40,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:37:40,895 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:37:40,895 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:37:40,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,907 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:37:40,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:37:40,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:37:40,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:37:40,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:37:40" (1/1) ... [2024-11-08 23:37:40,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:37:40,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:37:40,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:37:41,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:37:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:37:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:37:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:37:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:37:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:37:41,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:37:41,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:37:41,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:37:41,855 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:37:41,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:37:41,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:37:41,981 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:37:41,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:41 BoogieIcfgContainer [2024-11-08 23:37:41,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:37:41,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:37:41,984 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:37:41,998 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:37:41,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:37:41" (1/1) ... [2024-11-08 23:37:42,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:37:42,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:42,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:37:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:37:42,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:37:42,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:42,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:42,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:42,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:42,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:37:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:42,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:37:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:42,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:37:42,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:42,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:42,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:37:42,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-08 23:37:42,605 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-08 23:37:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:37:42,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:42,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:42,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:42,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:42,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:37:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:43,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:37:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:43,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:37:43,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:43,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:37:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:43,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-08 23:37:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-08 23:37:43,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:37:43,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:43,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:43,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:43,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:43,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:37:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:44,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:37:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:44,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:37:44,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:37:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:37:45,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 23:37:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:37:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-08 23:37:48,893 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-08 23:37:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:37:48,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:37:48,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:37:48,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:37:48,900 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:37:48,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:37:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:49,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:37:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:37:49,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 23:37:49,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:38:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:38:16,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:38:23,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:38:55,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:38:57,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:39:00,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:39:01,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:39:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-08 23:39:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-08 23:39:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:39:01,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:39:01,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:39:01,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:39:01,905 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:39:01,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:39:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:02,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:39:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:39:03,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 23:39:03,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:39:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:39:07,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:40:21,212 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:41:32,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:41:36,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:41:46,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:41:46,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-08 23:41:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-08 23:41:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:41:46,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:41:46,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:41:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:41:46,804 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:41:46,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:41:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:48,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:41:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:41:48,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:41:48,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:41:51,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:41:51,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 23:42:55,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:43:07,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:43:30,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:43:30,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-08 23:43:30,758 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-08 23:43:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:43:30,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:43:30,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:43:30,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:43:30,764 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:43:30,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:43:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:31,532 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:43:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:43:31,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:43:31,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:43:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:43:37,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-08 23:45:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-08 23:45:37,044 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-08 23:45:37,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:45:37,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:37,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:45:37,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:45:37,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:45:37,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:45:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:38,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:45:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:39,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:45:39,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:45:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 23:45:43,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 23:46:17,494 WARN L286 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:47:02,743 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:47:23,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:48:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:00,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-08 23:48:00,317 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-08 23:48:00,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:48:00,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:00,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:00,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:00,322 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:00,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:48:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:02,047 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:02,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 23:48:02,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:11,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:11,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3624f535-456e-4ca5-b269-baefc8d29c22/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:49:34,862 WARN L286 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 30 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)