./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/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_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/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_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/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 b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:44,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:44,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:36:44,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:36:44,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:36:44,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:44,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:44,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:44,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:44,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:44,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:44,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:44,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:36:44,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:36:44,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:36:44,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:44,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:44,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:44,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:44,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:44,476 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:36:44,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:44,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:44,478 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:44,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:44,479 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:44,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:44,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:44,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:44,480 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:44,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:44,481 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:36:44,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:36:44,482 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_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ff78c7a05ff12ed3c4b9587e1e659860187fd62fb9ac015e2b63b391c38f88 [2024-11-08 22:36:44,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:44,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:44,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:44,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:44,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:44,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-08 22:36:46,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:47,056 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:47,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c [2024-11-08 22:36:47,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/data/a83028031/91e5649351db44778bf9c55c74f2a651/FLAG9e42e225b [2024-11-08 22:36:47,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/data/a83028031/91e5649351db44778bf9c55c74f2a651 [2024-11-08 22:36:47,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:47,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:47,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:47,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:47,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:47,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfb9f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47, skipping insertion in model container [2024-11-08 22:36:47,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:47,670 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_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c[1175,1188] [2024-11-08 22:36:47,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:47,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:47,708 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_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_unwindbound10.c[1175,1188] [2024-11-08 22:36:47,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:47,736 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:47,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47 WrapperNode [2024-11-08 22:36:47,736 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:47,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:47,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:47,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:47,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,770 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2024-11-08 22:36:47,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:47,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:47,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:47,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:47,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,785 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:47,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:47,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:47,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:47,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:47" (1/1) ... [2024-11-08 22:36:47,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:47,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:47,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:47,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94e58d7b-a8c5-42cb-8cb4-28da74676ee5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:47,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:36:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:47,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:36:47,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:36:47,926 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:47,927 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:48,076 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:48,077 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:48,169 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:48,169 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:36:48,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:48 BoogieIcfgContainer [2024-11-08 22:36:48,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:48,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:48,171 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:48,183 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:48,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:48" (1/1) ... [2024-11-08 22:36:48,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-08 22:36:48,282 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-08 22:36:48,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:36:48,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:48,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:48,493 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 22:36:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:48,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-08 22:36:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-08 22:36:48,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:36:48,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:48,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:48,683 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 22:36:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-11-08 22:36:48,741 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-11-08 22:36:48,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:36:48,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:48,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:36:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:48,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:36:48,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:49,045 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 22:36:49,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-08 22:36:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-08 22:36:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:36:49,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:49,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:36:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 25 states and 39 transitions. [2024-11-08 22:36:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 39 transitions. [2024-11-08 22:36:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:36:50,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:50,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:50,211 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 22:36:50,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:50,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2024-11-08 22:36:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2024-11-08 22:36:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:36:50,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:50,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:36:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:50,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:36:50,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:52,239 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 22:36:53,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:53,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 68 transitions. [2024-11-08 22:36:53,934 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2024-11-08 22:36:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:36:53,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:53,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:36:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:53,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 22:36:53,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:54,633 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 22:36:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2024-11-08 22:36:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2024-11-08 22:36:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:36:55,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:36:55,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:55,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:36:55,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:36:57,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:57,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 78 transitions. [2024-11-08 22:36:57,456 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 78 transitions. [2024-11-08 22:36:57,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:36:57,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:57,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:57,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:36:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:36:57,544 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-08 22:36:57,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:36:58,954 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:37:03,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 43 states and 97 transitions. [2024-11-08 22:37:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 97 transitions. [2024-11-08 22:37:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:37:03,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:03,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:03,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:37:03,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:10,333 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:37:20,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 46 states and 104 transitions. [2024-11-08 22:37:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 104 transitions. [2024-11-08 22:37:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:37:20,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:20,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:20,578 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 22:37:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:22,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2024-11-08 22:37:22,928 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2024-11-08 22:37:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:37:22,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:22,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:23,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:37:23,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:27,957 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:37:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:30,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 51 states and 126 transitions. [2024-11-08 22:37:30,495 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 126 transitions. [2024-11-08 22:37:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:37:30,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:30,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:30,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 22:37:30,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:33,607 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 22:37:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:43,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 54 states and 132 transitions. [2024-11-08 22:37:43,281 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 132 transitions. [2024-11-08 22:37:43,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 22:37:43,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:43,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:43,372 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 22:37:44,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:44,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 55 states and 131 transitions. [2024-11-08 22:37:44,439 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 131 transitions. [2024-11-08 22:37:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:37:44,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:44,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:44,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 22:37:44,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:46,602 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:37:57,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:37:57,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 60 states and 154 transitions. [2024-11-08 22:37:57,310 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 154 transitions. [2024-11-08 22:37:57,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:37:57,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:37:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:37:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:37:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:37:57,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 22:37:57,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:37:58,712 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 22:38:05,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 63 states and 161 transitions. [2024-11-08 22:38:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 161 transitions. [2024-11-08 22:38:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:38:05,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:05,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:05,753 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 22:38:09,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 67 states and 182 transitions. [2024-11-08 22:38:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 182 transitions. [2024-11-08 22:38:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:38:09,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:09,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:09,315 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 22:38:21,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:38:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 68 states and 190 transitions. [2024-11-08 22:38:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 190 transitions. [2024-11-08 22:38:21,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:38:21,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:38:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:38:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:38:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:38:21,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:38:21,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:38:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:39:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:05,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 71 states and 203 transitions. [2024-11-08 22:39:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 203 transitions. [2024-11-08 22:39:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:39:05,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:05,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:05,093 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 22:39:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:13,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 71 states and 202 transitions. [2024-11-08 22:39:13,235 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 202 transitions. [2024-11-08 22:39:13,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:39:13,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:13,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:39:13,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:39:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:39:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:39:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 74 states and 209 transitions. [2024-11-08 22:39:59,031 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 209 transitions. [2024-11-08 22:39:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:39:59,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:39:59,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:39:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:39:59,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:39:59,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-08 22:39:59,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:15,981 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:40:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 76 states and 212 transitions. [2024-11-08 22:40:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 212 transitions. [2024-11-08 22:40:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:40:37,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:37,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:37,149 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 22:40:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:38,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 77 states and 218 transitions. [2024-11-08 22:40:38,445 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 218 transitions. [2024-11-08 22:40:38,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:40:38,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:40:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:38,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 22:40:38,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:40:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:40:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 78 states and 219 transitions. [2024-11-08 22:40:43,244 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 219 transitions. [2024-11-08 22:40:43,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:40:43,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:43,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:40:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:40:43,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 22:40:43,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:42:22,339 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:42:50,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-08 22:44:22,644 WARN L286 SmtUtils]: Spent 1.44m on a formula simplification. DAG size of input: 194 DAG size of output: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:45:30,310 WARN L286 SmtUtils]: Spent 51.70s on a formula simplification. DAG size of input: 196 DAG size of output: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:41,346 WARN L286 SmtUtils]: Spent 50.16s on a formula simplification. DAG size of input: 194 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:46:57,396 WARN L286 SmtUtils]: Spent 13.42s on a formula simplification. DAG size of input: 196 DAG size of output: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:47:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 81 states and 232 transitions. [2024-11-08 22:47:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 232 transitions. [2024-11-08 22:47:06,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:47:06,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:06,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:47:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:06,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-08 22:47:06,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:47:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:47:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:47:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 82 states and 234 transitions. [2024-11-08 22:47:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 234 transitions. [2024-11-08 22:47:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:47:49,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:47:49,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:47:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:47:52,492 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 22:48:31,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 86 states and 269 transitions. [2024-11-08 22:48:31,830 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 269 transitions. [2024-11-08 22:48:31,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 22:48:31,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:31,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:48:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:48:32,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:48:32,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 22:48:32,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:49:37,079 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 22:51:29,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]